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config.rst.txt

.. index:: config.inc.php

.. _config:

Configuration
=============

All configurable data is placed in :file:`config.inc.php` in phpMyAdmin's
toplevel directory.  If this file does not exist, please refer to the
:ref:`setup` section to create one. This file only needs to contain the
parameters you want to change from their corresponding default value in
:file:`libraries/config.default.php` (this file is not intended for changes).

.. seealso::

:ref:`config-examples` for examples of configurations

If a directive is missing from your file, you can just add another line with
the file. This file is for over-writing the defaults; if you wish to use the
default value there's no need to add a line here.

The parameters which relate to design (like colors) are placed in
:file:`themes/themename/scss/_variables.scss`. You might also want to create
:file:`config.footer.inc.php` and :file:`config.header.inc.php` files to add
your site specific code to be included on start and end of each page.

.. note::

Some distributions (eg. Debian or Ubuntu) store :file:`config.inc.php` in
    ``/etc/phpmyadmin`` instead of within phpMyAdmin sources.

Basic settings
--------------

.. config:option:: $cfg['PmaAbsoluteUri']

:type: string
    :default: ``''``

.. versionchanged:: 4.6.5

This setting was not available in phpMyAdmin 4.6.0 - 4.6.4.

Sets here the complete :term:`URL` (with full path) to your phpMyAdmin
    installation's directory. E.g.
    ``https://www.example.net/path_to_your_phpMyAdmin_directory/``. Note also
    that the :term:`URL` on most of web servers are case sensitive (even on
    Windows). Don’t forget the trailing slash at the end.

Starting with version 2.3.0, it is advisable to try leaving this blank. In
    most cases phpMyAdmin automatically detects the proper setting. Users of
    port forwarding or complex reverse proxy setup might need to set this.

A good test is to browse a table, edit a row and save it. There should be
    an error message if phpMyAdmin is having trouble auto–detecting the correct
    value. If you get an error that this must be set or if the autodetect code
    fails to detect your path, please post a bug report on our bug tracker so
    we can improve the code.

.. seealso:: :ref:`faq1_40`, :ref:`faq2_5`, :ref:`faq4_7`, :ref:`faq5_16`

.. config:option:: $cfg['PmaNoRelation_DisableWarning']

:type: boolean
    :default: false

Starting with version 2.3.0 phpMyAdmin offers a lot of features to
    work with master / foreign – tables (see :config:option:`$cfg['Servers'][$i]['pmadb']`).

If you tried to set this
    up and it does not work for you, have a look on the :guilabel:`Structure` page
    of one database where you would like to use it. You will find a link
    that will analyze why those features have been disabled.

If you do not want to use those features set this variable to ``true`` to
    stop this message from appearing.

.. config:option:: $cfg['AuthLog']

:type: string
    :default: ``'auto'``

.. versionadded:: 4.8.0

This is supported since phpMyAdmin 4.8.0.

Configure authentication logging destination. Failed (or all, depending on
    :config:option:`$cfg['AuthLogSuccess']`) authentication attempts will be
    logged according to this directive:

``auto``
        Let phpMyAdmin automatically choose between ``syslog`` and ``php``.
    ``syslog``
        Log using syslog, using AUTH facility, on most systems this ends up
        in :file:`/var/log/auth.log`.
    ``php``
        Log into PHP error log.
    ``sapi``
        Log into PHP SAPI logging.
    ``/path/to/file``
        Any other value is treated as a filename and log entries are written there.

.. note::

When logging to a file, make sure its permissions are correctly set
        for a web server user, the setup should closely match instructions
        described in :config:option:`$cfg['TempDir']`:

.. config:option:: $cfg['AuthLogSuccess']

:type: boolean
    :default: false

.. versionadded:: 4.8.0

This is supported since phpMyAdmin 4.8.0.

Whether to log successful authentication attempts into
    :config:option:`$cfg['AuthLog']`.

.. config:option:: $cfg['SuhosinDisableWarning']

:type: boolean
    :default: false

A warning is displayed on the main page if Suhosin is detected.

You can set this parameter to ``true`` to stop this message from appearing.

.. config:option:: $cfg['LoginCookieValidityDisableWarning']

:type: boolean
    :default: false

A warning is displayed on the main page if the PHP parameter
    session.gc_maxlifetime is lower than cookie validity configured in phpMyAdmin.

You can set this parameter to ``true`` to stop this message from appearing.

.. config:option:: $cfg['ServerLibraryDifference_DisableWarning']

:type: boolean
    :default: false

.. deprecated:: 4.7.0

This setting was removed as the warning has been removed as well.

A warning is displayed on the main page if there is a difference
    between the MySQL library and server version.

You can set this parameter to ``true`` to stop this message from appearing.

.. config:option:: $cfg['ReservedWordDisableWarning']

:type: boolean
    :default: false

This warning is displayed on the Structure page of a table if one or more
    column names match with words which are MySQL reserved.

If you want to turn off this warning, you can set it to ``true`` and
    warning will no longer be displayed.

.. config:option:: $cfg['TranslationWarningThreshold']

:type: integer
    :default: 80

Show warning about incomplete translations on certain threshold.

.. config:option:: $cfg['SendErrorReports']

:type: string
    :default: ``'ask'``

Sets the default behavior for JavaScript error reporting.

Whenever an error is detected in the JavaScript execution, an error report
    may be sent to the phpMyAdmin team if the user agrees.

The default setting of ``'ask'`` will ask the user everytime there is a new
    error report. However you can set this parameter to ``'always'`` to send error
    reports without asking for confirmation or you can set it to ``'never'`` to
    never send error reports.

This directive is available both in the configuration file and in users
    preferences. If the person in charge of a multi-user installation prefers
    to disable this feature for all users, a value of ``'never'`` should be
    set, and the :config:option:`$cfg['UserprefsDisallow']` directive should
    contain ``'SendErrorReports'`` in one of its array values.

.. config:option:: $cfg['ConsoleEnterExecutes']

:type: boolean
    :default: false

Setting this to ``true`` allows the user to execute queries by pressing Enter
    instead of Ctrl+Enter. A new line can be inserted by pressing Shift + Enter.

The behaviour of the console can be temporarily changed using console's
    settings interface.

.. config:option:: $cfg['AllowThirdPartyFraming']

:type: boolean|string
    :default: false

Setting this to ``true`` allows phpMyAdmin to be included inside a frame,
    and is a potential security hole allowing cross-frame scripting attacks or
    clickjacking. Setting this to 'sameorigin' prevents phpMyAdmin to be
    included from another document in a frame, unless that document belongs
    to the same domain.

Server connection settings
--------------------------

.. config:option:: $cfg['Servers']

:type: array
    :default: one server array with settings listed below

Since version 1.4.2, phpMyAdmin supports the administration of multiple
    MySQL servers. Therefore, a :config:option:`$cfg['Servers']`-array has been
    added which contains the login information for the different servers. The
    first :config:option:`$cfg['Servers'][$i]['host']` contains the hostname of
    the first server, the second :config:option:`$cfg['Servers'][$i]['host']`
    the hostname of the second server, etc. In
    :file:`libraries/config.default.php`, there is only one section for server
    definition, however you can put as many as you need in
    :file:`config.inc.php`, copy that block or needed parts (you don't have to
    define all settings, just those you need to change).

.. note::

The :config:option:`$cfg['Servers']` array starts with
        $cfg['Servers'][1]. Do not use $cfg['Servers'][0]. If you want more
        than one server, just copy following section (including $i
        increment) several times. There is no need to define full server
        array, just define values you need to change.

.. config:option:: $cfg['Servers'][$i]['host']

:type: string
    :default: ``'localhost'``

The hostname or :term:`IP` address of your $i-th MySQL-server. E.g.
    ``localhost``.

Possible values are:

* hostname, e.g., ``'localhost'`` or ``'mydb.example.org'``
    * IP address, e.g., ``'127.0.0.1'`` or ``'192.168.10.1'``
    * IPv6 address, e.g. ``2001:cdba:0000:0000:0000:0000:3257:9652``
    * dot - ``'.'``, i.e., use named pipes on windows systems
    * empty - ``''``, disables this server

.. note::

The hostname ``localhost`` is handled specially by MySQL and it uses
        the socket based connection protocol. To use TCP/IP networking, use an
        IP address or hostname such as ``127.0.0.1`` or ``db.example.com``. You
        can configure the path to the socket with
        :config:option:`$cfg['Servers'][$i]['socket']`.

.. seealso::

:config:option:`$cfg['Servers'][$i]['port']`,
        <https://dev.mysql.com/doc/refman/5.7/en/connecting.html>

.. config:option:: $cfg['Servers'][$i]['port']

:type: string
    :default: ``''``

The port-number of your $i-th MySQL-server. Default is 3306 (leave
    blank).

.. note::

If you use ``localhost`` as the hostname, MySQL ignores this port number
       and connects with the socket, so if you want to connect to a port
       different from the default port, use ``127.0.0.1`` or the real hostname
       in :config:option:`$cfg['Servers'][$i]['host']`.

.. seealso::

:config:option:`$cfg['Servers'][$i]['host']`,
        <https://dev.mysql.com/doc/refman/5.7/en/connecting.html>

.. config:option:: $cfg['Servers'][$i]['socket']

:type: string
    :default: ``''``

The path to the socket to use. Leave blank for default. To determine
    the correct socket, check your MySQL configuration or, using the
    :command:`mysql` command–line client, issue the ``status`` command. Among the
    resulting information displayed will be the socket used.

.. note::

This takes effect only if :config:option:`$cfg['Servers'][$i]['host']` is set
        to ``localhost``.

.. seealso::

:config:option:`$cfg['Servers'][$i]['host']`,
        <https://dev.mysql.com/doc/refman/5.7/en/connecting.html>

.. config:option:: $cfg['Servers'][$i]['ssl']

:type: boolean
    :default: false

Whether to enable SSL for the connection between phpMyAdmin and the MySQL
    server to secure the connection.

When using the ``'mysql'`` extension,
    none of the remaining ``'ssl...'`` configuration options apply.

We strongly recommend the ``'mysqli'`` extension when using this option.

.. seealso::

:ref:`ssl`,
        :ref:`example-google-ssl`,
        :config:option:`$cfg['Servers'][$i]['ssl_key']`,
        :config:option:`$cfg['Servers'][$i]['ssl_cert']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca_path']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ciphers']`,
        :config:option:`$cfg['Servers'][$i]['ssl_verify']`

.. config:option:: $cfg['Servers'][$i]['ssl_key']

:type: string
    :default: NULL

Path to the client key file when using SSL for connecting to the MySQL
    server. This is used to authenticate the client to the server.

For example:

.. code-block:: php

$cfg['Servers'][$i]['ssl_key'] = '/etc/mysql/server-key.pem';

.. seealso::

:ref:`ssl`,
        :ref:`example-google-ssl`,
        :config:option:`$cfg['Servers'][$i]['ssl']`,
        :config:option:`$cfg['Servers'][$i]['ssl_cert']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca_path']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ciphers']`,
        :config:option:`$cfg['Servers'][$i]['ssl_verify']`

.. config:option:: $cfg['Servers'][$i]['ssl_cert']

:type: string
    :default: NULL

Path to the client certificate file when using SSL for connecting to the
    MySQL server. This is used to authenticate the client to the server.

.. seealso::

:ref:`ssl`,
        :ref:`example-google-ssl`,
        :config:option:`$cfg['Servers'][$i]['ssl']`,
        :config:option:`$cfg['Servers'][$i]['ssl_key']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca_path']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ciphers']`,
        :config:option:`$cfg['Servers'][$i]['ssl_verify']`

.. config:option:: $cfg['Servers'][$i]['ssl_ca']

:type: string
    :default: NULL

Path to the CA file when using SSL for connecting to the MySQL server.

.. seealso::

:ref:`ssl`,
        :ref:`example-google-ssl`,
        :config:option:`$cfg['Servers'][$i]['ssl']`,
        :config:option:`$cfg['Servers'][$i]['ssl_key']`,
        :config:option:`$cfg['Servers'][$i]['ssl_cert']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca_path']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ciphers']`,
        :config:option:`$cfg['Servers'][$i]['ssl_verify']`

.. config:option:: $cfg['Servers'][$i]['ssl_ca_path']

:type: string
    :default: NULL

Directory containing trusted SSL CA certificates in PEM format.

.. seealso::

:ref:`ssl`,
        :ref:`example-google-ssl`,
        :config:option:`$cfg['Servers'][$i]['ssl']`,
        :config:option:`$cfg['Servers'][$i]['ssl_key']`,
        :config:option:`$cfg['Servers'][$i]['ssl_cert']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ciphers']`,
        :config:option:`$cfg['Servers'][$i]['ssl_verify']`

.. config:option:: $cfg['Servers'][$i]['ssl_ciphers']

:type: string
    :default: NULL

List of allowable ciphers for SSL connections to the MySQL server.

.. seealso::

:ref:`ssl`,
        :ref:`example-google-ssl`,
        :config:option:`$cfg['Servers'][$i]['ssl']`,
        :config:option:`$cfg['Servers'][$i]['ssl_key']`,
        :config:option:`$cfg['Servers'][$i]['ssl_cert']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca_path']`,
        :config:option:`$cfg['Servers'][$i]['ssl_verify']`

.. config:option:: $cfg['Servers'][$i]['ssl_verify']

:type: boolean
    :default: true

.. versionadded:: 4.6.0

This is supported since phpMyAdmin 4.6.0.

If your PHP install uses the MySQL Native Driver (mysqlnd), your
    MySQL server is 5.6 or later, and your SSL certificate is self-signed,
    there is a chance your SSL connection will fail due to validation.
    Setting this to ``false`` will disable the validation check.

Since PHP 5.6.0 it also verifies whether server name matches CN of its
    certificate. There is currently no way to disable just this check without
    disabling complete SSL verification.

.. warning::

Disabling the certificate verification defeats purpose of using SSL.
        This will make the connection vulnerable to man in the middle attacks.

.. note::

This flag only works with PHP 5.6.16 or later.

.. seealso::

:ref:`ssl`,
        :ref:`example-google-ssl`,
        :config:option:`$cfg['Servers'][$i]['ssl']`,
        :config:option:`$cfg['Servers'][$i]['ssl_key']`,
        :config:option:`$cfg['Servers'][$i]['ssl_cert']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca_path']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ciphers']`,
        :config:option:`$cfg['Servers'][$i]['ssl_verify']`

.. config:option:: $cfg['Servers'][$i]['connect_type']

:type: string
    :default: ``'tcp'``

.. deprecated:: 4.7.0

This setting is no longer used as of 4.7.0, since MySQL decides the
       connection type based on host, so it could lead to unexpected results.
       Please set :config:option:`$cfg['Servers'][$i]['host']` accordingly
       instead.

What type connection to use with the MySQL server. Your options are
    ``'socket'`` and ``'tcp'``. It defaults to tcp as that is nearly guaranteed
    to be available on all MySQL servers, while sockets are not supported on
    some platforms. To use the socket mode, your MySQL server must be on the
    same machine as the Web server.

.. config:option:: $cfg['Servers'][$i]['compress']

:type: boolean
    :default: false

Whether to use a compressed protocol for the MySQL server connection
    or not (experimental).

.. _controlhost:
.. config:option:: $cfg['Servers'][$i]['controlhost']

:type: string
    :default: ``''``

Permits to use an alternate host to hold the configuration storage
    data.

.. seealso::

:config:option:`$cfg['Servers'][$i]['control_*']`

.. _controlport:
.. config:option:: $cfg['Servers'][$i]['controlport']

:type: string
    :default: ``''``

Permits to use an alternate port to connect to the host that
    holds the configuration storage.

.. seealso::

:config:option:`$cfg['Servers'][$i]['control_*']`

.. _controluser:
.. config:option:: $cfg['Servers'][$i]['controluser']

:type: string
    :default: ``''``

.. config:option:: $cfg['Servers'][$i]['controlpass']

:type: string
    :default: ``''``

This special account is used to access :ref:`linked-tables`.
    You don't need it in single user case, but if phpMyAdmin is shared it
    is recommended to give access to :ref:`linked-tables` only to this user
    and configure phpMyAdmin to use it. All users will then be able to use
    the features without need to have direct access to :ref:`linked-tables`.

.. versionchanged:: 2.2.5
        those were called ``stduser`` and ``stdpass``

.. seealso::

:ref:`setup`,
        :ref:`authentication_modes`,
        :ref:`linked-tables`,
        :config:option:`$cfg['Servers'][$i]['pmadb']`,
        :config:option:`$cfg['Servers'][$i]['controlhost']`,
        :config:option:`$cfg['Servers'][$i]['controlport']`,
        :config:option:`$cfg['Servers'][$i]['control_*']`

.. config:option:: $cfg['Servers'][$i]['control_*']

:type: mixed

.. versionadded:: 4.7.0

You can change any MySQL connection setting for control link (used to
    access :ref:`linked-tables`) using configuration prefixed with ``control_``.

This can be used to change any aspect of the control connection, which by
    default uses same parameters as the user one.

For example you can configure SSL for the control connection:

.. code-block:: php

// Enable SSL
        $cfg['Servers'][$i]['control_ssl'] = true;
        // Client secret key
        $cfg['Servers'][$i]['control_ssl_key'] = '../client-key.pem';
        // Client certificate
        $cfg['Servers'][$i]['control_ssl_cert'] = '../client-cert.pem';
        // Server certification authority
        $cfg['Servers'][$i]['control_ssl_ca'] = '../server-ca.pem';

.. seealso::

:config:option:`$cfg['Servers'][$i]['ssl']`,
        :config:option:`$cfg['Servers'][$i]['ssl_key']`,
        :config:option:`$cfg['Servers'][$i]['ssl_cert']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ca_path']`,
        :config:option:`$cfg['Servers'][$i]['ssl_ciphers']`,
        :config:option:`$cfg['Servers'][$i]['ssl_verify']`

.. config:option:: $cfg['Servers'][$i]['auth_type']

:type: string
    :default: ``'cookie'``

Whether config or cookie or :term:`HTTP` or signon authentication should be
    used for this server.

* 'config' authentication (``$auth_type = 'config'``) is the plain old
      way: username and password are stored in :file:`config.inc.php`.
    * 'cookie' authentication mode (``$auth_type = 'cookie'``) allows you to
      log in as any valid MySQL user with the help of cookies.
    * 'http' authentication allows you to log in as any
      valid MySQL user via HTTP-Auth.
    * 'signon' authentication mode (``$auth_type = 'signon'``) allows you to
      log in from prepared PHP session data or using supplied PHP script.

.. seealso:: :ref:`authentication_modes`

.. _servers_auth_http_realm:
.. config:option:: $cfg['Servers'][$i]['auth_http_realm']

:type: string
    :default: ``''``

When using auth\_type = ``http``, this field allows to define a custom
    :term:`HTTP` Basic Auth Realm which will be displayed to the user. If not
    explicitly specified in your configuration, a string combined of
    "phpMyAdmin " and either :config:option:`$cfg['Servers'][$i]['verbose']` or
    :config:option:`$cfg['Servers'][$i]['host']` will be used.

.. _servers_user:
.. config:option:: $cfg['Servers'][$i]['user']

:type: string
    :default: ``'root'``

.. config:option:: $cfg['Servers'][$i]['password']

:type: string
    :default: ``''``

When using :config:option:`$cfg['Servers'][$i]['auth_type']` set to
    'config', this is the user/password-pair which phpMyAdmin will use to
    connect to the MySQL server. This user/password pair is not needed when
    :term:`HTTP` or cookie authentication is used
    and should be empty.

.. _servers_nopassword:
.. config:option:: $cfg['Servers'][$i]['nopassword']

:type: boolean
    :default: false

.. deprecated:: 4.7.0

This setting was removed as it can produce unexpected results.

Allow attempt to log in without password when a login with password
    fails. This can be used together with http authentication, when
    authentication is done some other way and phpMyAdmin gets user name
    from auth and uses empty password for connecting to MySQL. Password
    login is still tried first, but as fallback, no password method is
    tried.

.. _servers_only_db:
.. config:option:: $cfg['Servers'][$i]['only_db']

:type: string or array
    :default: ``''``

If set to a (an array of) database name(s), only this (these)
    database(s) will be shown to the user. Since phpMyAdmin 2.2.1,
    this/these database(s) name(s) may contain MySQL wildcards characters
    ("\_" and "%"): if you want to use literal instances of these
    characters, escape them (I.E. use ``'my\_db'`` and not ``'my_db'``).

This setting is an efficient way to lower the server load since the
    latter does not need to send MySQL requests to build the available
    database list. But **it does not replace the privileges rules of the
    MySQL database server**. If set, it just means only these databases
    will be displayed but **not that all other databases can't be used.**

An example of using more that one database:

.. code-block:: php

$cfg['Servers'][$i]['only_db'] = array('db1', 'db2');

.. versionchanged:: 4.0.0
        Previous versions permitted to specify the display order of
        the database names via this directive.

.. config:option:: $cfg['Servers'][$i]['hide_db']

:type: string
    :default: ``''``

Regular expression for hiding some databases from unprivileged users.
    This only hides them from listing, but a user is still able to access
    them (using, for example, the SQL query area). To limit access, use
    the MySQL privilege system.  For example, to hide all databases
    starting with the letter "a", use

.. code-block:: php

$cfg['Servers'][$i]['hide_db'] = '^a';

and to hide both "db1" and "db2" use

.. code-block:: php

$cfg['Servers'][$i]['hide_db'] = '^(db1|db2)$';

More information on regular expressions can be found in the `PCRE
    pattern syntax
    <https://www.php.net/manual/en/reference.pcre.pattern.syntax.php>`_ portion
    of the PHP reference manual.

.. config:option:: $cfg['Servers'][$i]['verbose']

:type: string
    :default: ``''``

Only useful when using phpMyAdmin with multiple server entries. If
    set, this string will be displayed instead of the hostname in the
    pull-down menu on the main page. This can be useful if you want to
    show only certain databases on your system, for example. For HTTP
    auth, all non-US-ASCII characters will be stripped.

.. config:option:: $cfg['Servers'][$i]['extension']

:type: string
    :default: ``'mysqli'``

.. deprecated:: 4.2.0

This setting was removed. The ``mysql`` extension will only be used when
        the ``mysqli`` extension is not available. As of 5.0.0, only the
        ``mysqli`` extension can be used.

The PHP MySQL extension to use (``mysql`` or ``mysqli``).

It is recommended to use ``mysqli`` in all installations.

.. config:option:: $cfg['Servers'][$i]['pmadb']

:type: string
    :default: ``''``

The name of the database containing the phpMyAdmin configuration
    storage.

See the :ref:`linked-tables`  section in this document to see the benefits of
    this feature, and for a quick way of creating this database and the needed
    tables.

If you are the only user of this phpMyAdmin installation, you can use your
    current database to store those special tables; in this case, just put your
    current database name in :config:option:`$cfg['Servers'][$i]['pmadb']`. For a
    multi-user installation, set this parameter to the name of your central
    database containing the phpMyAdmin configuration storage.

.. _bookmark:
.. config:option:: $cfg['Servers'][$i]['bookmarktable']

:type: string or false
    :default: ``''``

Since release 2.2.0 phpMyAdmin allows users to bookmark queries. This
    can be useful for queries you often run. To allow the usage of this
    functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * enter the table name in :config:option:`$cfg['Servers'][$i]['bookmarktable']`

This feature can be disabled by setting the configuration to ``false``.

.. _relation:
.. config:option:: $cfg['Servers'][$i]['relation']

:type: string or false
    :default: ``''``

Since release 2.2.4 you can describe, in a special 'relation' table,
    which column is a key in another table (a foreign key). phpMyAdmin
    currently uses this to:

* make clickable, when you browse the master table, the data values that
      point to the foreign table;
    * display in an optional tool-tip the "display column" when browsing the
      master table, if you move the mouse to a column containing a foreign
      key (use also the 'table\_info' table); (see :ref:`faqdisplay`)
    * in edit/insert mode, display a drop-down list of possible foreign keys
      (key value and "display column" are shown) (see :ref:`faq6_21`)
    * display links on the table properties page, to check referential
      integrity (display missing foreign keys) for each described key;
    * in query-by-example, create automatic joins (see :ref:`faq6_6`)
    * enable you to get a :term:`PDF` schema of
      your database (also uses the table\_coords table).

The keys can be numeric or character.

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the relation table name in :config:option:`$cfg['Servers'][$i]['relation']`
    * now as normal user open phpMyAdmin and for each one of your tables
      where you want to use this feature, click :guilabel:`Structure/Relation view/`
      and choose foreign columns.

This feature can be disabled by setting the configuration to ``false``.

.. note::

In the current version, ``master_db`` must be the same as ``foreign_db``.
        Those columns have been put in future development of the cross-db
        relations.

.. _table_info:
.. config:option:: $cfg['Servers'][$i]['table_info']

:type: string or false
    :default: ``''``

Since release 2.3.0 you can describe, in a special 'table\_info'
    table, which column is to be displayed as a tool-tip when moving the
    cursor over the corresponding key. This configuration variable will
    hold the name of this special table. To allow the usage of this
    functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['table\_info']` (e.g.
      ``pma__table_info``)
    * then for each table where you want to use this feature, click
      "Structure/Relation view/Choose column to display" to choose the
      column.

This feature can be disabled by setting the configuration to ``false``.

.. seealso:: :ref:`faqdisplay`

.. _table_coords:
.. config:option:: $cfg['Servers'][$i]['table_coords']

:type: string or false
    :default: ``''``

The designer feature can save your page layout; by pressing the "Save page" or "Save page as"
    button in the expanding designer menu, you can customize the layout and have it loaded the next
    time you use the designer. That layout is stored in this table. Furthermore, this table is also
    required for using the PDF relation export feature, see
    :config:option:`$cfg['Servers'][$i]['pdf\_pages']` for additional details.

.. config:option:: $cfg['Servers'][$i]['pdf_pages']

:type: string or false
    :default: ``''``

Since release 2.3.0 you can have phpMyAdmin create :term:`PDF` pages
    showing the relations between your tables. Further, the designer interface
    permits visually managing the relations. To do this it needs two tables
    "pdf\_pages" (storing information about the available :term:`PDF` pages)
    and "table\_coords" (storing coordinates where each table will be placed on
    a :term:`PDF` schema output).  You must be using the "relation" feature.

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the correct table names in
      :config:option:`$cfg['Servers'][$i]['table\_coords']` and
      :config:option:`$cfg['Servers'][$i]['pdf\_pages']`

This feature can be disabled by setting either of the configurations to ``false``.

.. seealso:: :ref:`faqpdf`.

.. _col_com:
.. config:option:: $cfg['Servers'][$i]['column_info']

:type: string or false
    :default: ``''``

This part requires a content update!  Since release 2.3.0 you can
    store comments to describe each column for each table. These will then
    be shown on the "printview".

Starting with release 2.5.0, comments are consequently used on the table
    property pages and table browse view, showing up as tool-tips above the
    column name (properties page) or embedded within the header of table in
    browse view. They can also be shown in a table dump. Please see the
    relevant configuration directives later on.

Also new in release 2.5.0 is a MIME- transformation system which is also
    based on the following table structure. See :ref:`transformations` for
    further information. To use the MIME- transformation system, your
    column\_info table has to have the three new columns 'mimetype',
    'transformation', 'transformation\_options'.

Starting with release 4.3.0, a new input-oriented transformation system
    has been introduced. Also, backward compatibility code used in the old
    transformations system was removed. As a result, an update to column\_info
    table is necessary for previous transformations and the new input-oriented
    transformation system to work. phpMyAdmin will upgrade it automatically
    for you by analyzing your current column\_info table structure.
    However, if something goes wrong with the auto-upgrade then you can
    use the SQL script found in ``./sql/upgrade_column_info_4_3_0+.sql``
    to upgrade it manually.

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['column\_info']` (e.g.
      ``pma__column_info``)
    * to update your PRE-2.5.0 Column\_comments table use this:  and
      remember that the Variable in :file:`config.inc.php` has been renamed from
      :samp:`$cfg['Servers'][$i]['column\_comments']` to
      :config:option:`$cfg['Servers'][$i]['column\_info']`

.. code-block:: mysql

ALTER TABLE `pma__column_comments`
           ADD `mimetype` VARCHAR( 255 ) NOT NULL,
           ADD `transformation` VARCHAR( 255 ) NOT NULL,
           ADD `transformation_options` VARCHAR( 255 ) NOT NULL;
    * to update your PRE-4.3.0 Column\_info table manually use this
      ``./sql/upgrade_column_info_4_3_0+.sql`` SQL script.

This feature can be disabled by setting the configuration to ``false``.

.. note::

For auto-upgrade functionality to work, your
        :config:option:`$cfg['Servers'][$i]['controluser']` must have ALTER privilege on
        ``phpmyadmin`` database. See the `MySQL documentation for GRANT
        <https://dev.mysql.com/doc/refman/5.7/en/grant.html>`_ on how to
        ``GRANT`` privileges to a user.

.. _history:
.. config:option:: $cfg['Servers'][$i]['history']

:type: string or false
    :default: ``''``

Since release 2.5.0 you can store your :term:`SQL` history, which means all
    queries you entered manually into the phpMyAdmin interface. If you don't
    want to use a table-based history, you can use the JavaScript-based
    history.

Using that, all your history items are deleted when closing the window.
    Using :config:option:`$cfg['QueryHistoryMax']` you can specify an amount of
    history items you want to have on hold. On every login, this list gets cut
    to the maximum amount.

The query history is only available if JavaScript is enabled in
    your browser.

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['history']` (e.g.
      ``pma__history``)

This feature can be disabled by setting the configuration to ``false``.

.. _recent:
.. config:option:: $cfg['Servers'][$i]['recent']

:type: string or false
    :default: ``''``

Since release 3.5.0 you can show recently used tables in the
    navigation panel. It helps you to jump across table directly, without
    the need to select the database, and then select the table. Using
    :config:option:`$cfg['NumRecentTables']` you can configure the maximum number
    of recent tables shown. When you select a table from the list, it will jump to
    the page specified in :config:option:`$cfg['NavigationTreeDefaultTabTable']`.

Without configuring the storage, you can still access the recently used tables,
    but it will disappear after you logout.

To allow the usage of this functionality persistently:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['recent']` (e.g.
      ``pma__recent``)

This feature can be disabled by setting the configuration to ``false``.

.. _favorite:
.. config:option:: $cfg['Servers'][$i]['favorite']

:type: string or false
    :default: ``''``

Since release 4.2.0 you can show a list of selected tables in the
    navigation panel. It helps you to jump to the table directly, without
    the need to select the database, and then select the table. When you
    select a table from the list, it will jump to the page specified in
    :config:option:`$cfg['NavigationTreeDefaultTabTable']`.

You can add tables to this list or remove tables from it in database
    structure page by clicking on the star icons next to table names. Using
    :config:option:`$cfg['NumFavoriteTables']` you can configure the maximum
    number of favorite tables shown.

Without configuring the storage, you can still access the favorite tables,
    but it will disappear after you logout.

To allow the usage of this functionality persistently:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['favorite']` (e.g.
      ``pma__favorite``)

This feature can be disabled by setting the configuration to ``false``.

.. _table_uiprefs:
.. config:option:: $cfg['Servers'][$i]['table_uiprefs']

:type: string or false
    :default: ``''``

Since release 3.5.0 phpMyAdmin can be configured to remember several
    things (sorted column :config:option:`$cfg['RememberSorting']`, column order,
    and column visibility from a database table) for browsing tables. Without
    configuring the storage, these features still can be used, but the values will
    disappear after you logout.

To allow the usage of these functionality persistently:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['table\_uiprefs']` (e.g.
      ``pma__table_uiprefs``)

This feature can be disabled by setting the configuration to ``false``.

.. config:option:: $cfg['Servers'][$i]['users']

:type: string or false
    :default: ``''``

The table used by phpMyAdmin to store user name information for associating with user groups.
    See the next entry on :config:option:`$cfg['Servers'][$i]['usergroups']` for more details
    and the suggested settings.

.. config:option:: $cfg['Servers'][$i]['usergroups']

:type: string or false
    :default: ``''``

Since release 4.1.0 you can create different user groups with menu items
    attached to them. Users can be assigned to these groups and the logged in
    user would only see menu items configured to the usergroup they are assigned to.
    To do this it needs two tables "usergroups" (storing allowed menu items for each
    user group) and "users" (storing users and their assignments to user groups).

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the correct table names in
      :config:option:`$cfg['Servers'][$i]['users']` (e.g. ``pma__users``) and
      :config:option:`$cfg['Servers'][$i]['usergroups']` (e.g. ``pma__usergroups``)

This feature can be disabled by setting either of the configurations to ``false``.

.. seealso:: :ref:`configurablemenus`

.. _navigationhiding:
.. config:option:: $cfg['Servers'][$i]['navigationhiding']

:type: string or false
    :default: ``''``

Since release 4.1.0 you can hide/show items in the navigation tree.

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['navigationhiding']` (e.g.
      ``pma__navigationhiding``)

This feature can be disabled by setting the configuration to ``false``.

.. _central_columns:
.. config:option:: $cfg['Servers'][$i]['central_columns']

:type: string or false
    :default: ``''``

Since release 4.3.0 you can have a central list of columns per database.
    You can add/remove columns to the list as per your requirement. These columns
    in the central list will be available to use while you create a new column for
    a table or create a table itself. You can select a column from central list
    while creating a new column, it will save you from writing the same column definition
    over again or from writing different names for similar column.

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['central_columns']` (e.g.
      ``pma__central_columns``)

This feature can be disabled by setting the configuration to ``false``.

.. _designer_settings:
.. config:option:: $cfg['Servers'][$i]['designer_settings']

:type: string or false
    :default: ``''``

Since release 4.5.0 your designer settings can be remembered.
    Your choice regarding 'Angular/Direct Links', 'Snap to Grid', 'Toggle Relation Lines',
    'Small/Big All', 'Move Menu' and 'Pin Text' can be remembered persistently.

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['designer_settings']` (e.g.
      ``pma__designer_settings``)

This feature can be disabled by setting the configuration to ``false``.

.. _savedsearches:
.. config:option:: $cfg['Servers'][$i]['savedsearches']

:type: string or false
    :default: ``''``

Since release 4.2.0 you can save and load query-by-example searches from the Database > Query panel.

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['savedsearches']` (e.g.
      ``pma__savedsearches``)

This feature can be disabled by setting the configuration to ``false``.

.. _export_templates:
.. config:option:: $cfg['Servers'][$i]['export_templates']

:type: string or false
    :default: ``''``

Since release 4.5.0 you can save and load export templates.

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['export_templates']` (e.g.
      ``pma__export_templates``)

This feature can be disabled by setting the configuration to ``false``.

.. _tracking:
.. config:option:: $cfg['Servers'][$i]['tracking']

:type: string or false
    :default: ``''``

Since release 3.3.x a tracking mechanism is available. It helps you to
    track every :term:`SQL` command which is
    executed by phpMyAdmin. The mechanism supports logging of data
    manipulation and data definition statements. After enabling it you can
    create versions of tables.

The creation of a version has two effects:

* phpMyAdmin saves a snapshot of the table, including structure and
      indexes.
    * phpMyAdmin logs all commands which change the structure and/or data of
      the table and links these commands with the version number.

Of course you can view the tracked changes. On the :guilabel:`Tracking`
    page a complete report is available for every version. For the report you
    can use filters, for example you can get a list of statements within a date
    range. When you want to filter usernames you can enter \* for all names or
    you enter a list of names separated by ','. In addition you can export the
    (filtered) report to a file or to a temporary database.

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['tracking']` (e.g.
      ``pma__tracking``)

This feature can be disabled by setting the configuration to ``false``.

.. _tracking2:
.. config:option:: $cfg['Servers'][$i]['tracking_version_auto_create']

:type: boolean
    :default: false

Whether the tracking mechanism creates versions for tables and views
    automatically.

If this is set to true and you create a table or view with

* CREATE TABLE ...
    * CREATE VIEW ...

and no version exists for it, the mechanism will create a version for
    you automatically.

.. _tracking3:
.. config:option:: $cfg['Servers'][$i]['tracking_default_statements']

:type: string
    :default: ``'CREATE TABLE,ALTER TABLE,DROP TABLE,RENAME TABLE,CREATE INDEX,DROP INDEX,INSERT,UPDATE,DELETE,TRUNCATE,REPLACE,CREATE VIEW,ALTER VIEW,DROP VIEW,CREATE DATABASE,ALTER DATABASE,DROP DATABASE'``

Defines the list of statements the auto-creation uses for new
    versions.

.. _tracking4:
.. config:option:: $cfg['Servers'][$i]['tracking_add_drop_view']

:type: boolean
    :default: true

Whether a DROP VIEW IF EXISTS statement will be added as first line to
    the log when creating a view.

.. _tracking5:
.. config:option:: $cfg['Servers'][$i]['tracking_add_drop_table']

:type: boolean
    :default: true

Whether a DROP TABLE IF EXISTS statement will be added as first line
    to the log when creating a table.

.. _tracking6:
.. config:option:: $cfg['Servers'][$i]['tracking_add_drop_database']

:type: boolean
    :default: true

Whether a DROP DATABASE IF EXISTS statement will be added as first
    line to the log when creating a database.

.. _userconfig:
.. config:option:: $cfg['Servers'][$i]['userconfig']

:type: string or false
    :default: ``''``

Since release 3.4.x phpMyAdmin allows users to set most preferences by
    themselves and store them in the database.

If you don't allow for storing preferences in
    :config:option:`$cfg['Servers'][$i]['pmadb']`, users can still personalize
    phpMyAdmin, but settings will be saved in browser's local storage, or, it
    is is unavailable, until the end of session.

To allow the usage of this functionality:

* set up :config:option:`$cfg['Servers'][$i]['pmadb']` and the phpMyAdmin configuration storage
    * put the table name in :config:option:`$cfg['Servers'][$i]['userconfig']`

This feature can be disabled by setting the configuration to ``false``.

.. config:option:: $cfg['Servers'][$i]['MaxTableUiprefs']

:type: integer
    :default: 100

Maximum number of rows saved in
    :config:option:`$cfg['Servers'][$i]['table_uiprefs']` table.

When tables are dropped or renamed,
    :config:option:`$cfg['Servers'][$i]['table_uiprefs']` may contain invalid data
    (referring to tables which no longer exist). We only keep this number of newest
    rows in :config:option:`$cfg['Servers'][$i]['table_uiprefs']` and automatically
    delete older rows.

.. config:option:: $cfg['Servers'][$i]['SessionTimeZone']

:type: string
    :default: ``''``

Sets the time zone used by phpMyAdmin. Leave blank to use the time zone of your
    database server. Possible values are explained at
    https://dev.mysql.com/doc/refman/5.7/en/time-zone-support.html

This is useful when your database server uses a time zone which is different from the
    time zone you want to use in phpMyAdmin.

.. config:option:: $cfg['Servers'][$i]['AllowRoot']

:type: boolean
    :default: true

Whether to allow root access. This is just a shortcut for the
    :config:option:`$cfg['Servers'][$i]['AllowDeny']['rules']` below.

.. config:option:: $cfg['Servers'][$i]['AllowNoPassword']

:type: boolean
    :default: false

Whether to allow logins without a password. The default value of
    ``false`` for this parameter prevents unintended access to a MySQL
    server with was left with an empty password for root or on which an
    anonymous (blank) user is defined.

.. _servers_allowdeny_order:
.. config:option:: $cfg['Servers'][$i]['AllowDeny']['order']

:type: string
    :default: ``''``

If your rule order is empty, then :term:`IP`
    authorization is disabled.

If your rule order is set to
    ``'deny,allow'`` then the system applies all deny rules followed by
    allow rules. Access is allowed by default. Any client which does not
    match a Deny command or does match an Allow command will be allowed
    access to the server.

If your rule order is set to ``'allow,deny'``
    then the system applies all allow rules followed by deny rules. Access
    is denied by default. Any client which does not match an Allow
    directive or does match a Deny directive will be denied access to the
    server.

If your rule order is set to ``'explicit'``, authorization is
    performed in a similar fashion to rule order 'deny,allow', with the
    added restriction that your host/username combination **must** be
    listed in the *allow* rules, and not listed in the *deny* rules. This
    is the **most** secure means of using Allow/Deny rules, and was
    available in Apache by specifying allow and deny rules without setting
    any order.

Please also see :config:option:`$cfg['TrustedProxies']` for
    detecting IP address behind proxies.

.. _servers_allowdeny_rules:
.. config:option:: $cfg['Servers'][$i]['AllowDeny']['rules']

:type: array of strings
    :default: array()

The general format for the rules is as such:

.. code-block:: none

<'allow' | 'deny'> <username> [from] <ipmask>

If you wish to match all users, it is possible to use a ``'%'`` as a
    wildcard in the *username* field.

There are a few shortcuts you can
    use in the *ipmask* field as well (please note that those containing
    SERVER\_ADDRESS might not be available on all webservers):

.. code-block:: none

'all' -> 0.0.0.0/0
        'localhost' -> 127.0.0.1/8
        'localnetA' -> SERVER_ADDRESS/8
        'localnetB' -> SERVER_ADDRESS/16
        'localnetC' -> SERVER_ADDRESS/24

Having an empty rule list is equivalent to either using ``'allow %
    from all'`` if your rule order is set to ``'deny,allow'`` or ``'deny %
    from all'`` if your rule order is set to ``'allow,deny'`` or
    ``'explicit'``.

For the :term:`IP Address` matching
    system, the following work:

* ``xxx.xxx.xxx.xxx`` (an exact :term:`IP Address`)
    * ``xxx.xxx.xxx.[yyy-zzz]`` (an :term:`IP Address` range)
    * ``xxx.xxx.xxx.xxx/nn`` (CIDR, Classless Inter-Domain Routing type :term:`IP` addresses)

But the following does not work:

* ``xxx.xxx.xxx.xx[yyy-zzz]`` (partial :term:`IP` address range)

For :term:`IPv6` addresses, the following work:

* ``xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx`` (an exact :term:`IPv6` address)
    * ``xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:[yyyy-zzzz]`` (an :term:`IPv6` address range)
    * ``xxxx:xxxx:xxxx:xxxx/nn`` (CIDR, Classless Inter-Domain Routing type :term:`IPv6` addresses)

But the following does not work:

* ``xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xx[yyy-zzz]`` (partial :term:`IPv6` address range)

Examples:

.. code-block:: none

$cfg['Servers'][$i]['AllowDeny']['order'] = 'allow,deny';
        $cfg['Servers'][$i]['AllowDeny']['rules'] = array('allow bob from all');
        // Allow only 'bob' to connect from any host

$cfg['Servers'][$i]['AllowDeny']['order'] = 'allow,deny';
        $cfg['Servers'][$i]['AllowDeny']['rules'] = array('allow mary from 192.168.100.[50-100]');
        // Allow only 'mary' to connect from host 192.168.100.50 through 192.168.100.100

$cfg['Servers'][$i]['AllowDeny']['order'] = 'allow,deny';
        $cfg['Servers'][$i]['AllowDeny']['rules'] = array('allow % from 192.168.[5-6].10');
        // Allow any user to connect from host 192.168.5.10 or 192.168.6.10

$cfg['Servers'][$i]['AllowDeny']['order'] = 'allow,deny';
        $cfg['Servers'][$i]['AllowDeny']['rules'] = array('allow root from 192.168.5.50','allow % from 192.168.6.10');
        // Allow any user to connect from 192.168.6.10, and additionally allow root to connect from 192.168.5.50

.. config:option:: $cfg['Servers'][$i]['DisableIS']

:type: boolean
    :default: false

Disable using ``INFORMATION_SCHEMA`` to retrieve information (use
    ``SHOW`` commands instead), because of speed issues when many
    databases are present.

.. note::

Enabling this option might give you a big performance boost on older
        MySQL servers.

.. config:option:: $cfg['Servers'][$i]['SignonScript']

:type: string
    :default: ``''``

.. versionadded:: 3.5.0

Name of PHP script to be sourced and executed to obtain login
    credentials. This is alternative approach to session based single
    signon. The script has to provide a function called
    ``get_login_credentials`` which returns list of username and
    password, accepting single parameter of existing username (can be
    empty). See :file:`examples/signon-script.php` for an example:

.. literalinclude:: ../examples/signon-script.php
        :language: php

.. seealso:: :ref:`auth_signon`

.. config:option:: $cfg['Servers'][$i]['SignonSession']

:type: string
    :default: ``''``

Name of session which will be used for signon authentication method.
    You should use something different than ``phpMyAdmin``, because this
    is session which phpMyAdmin uses internally. Takes effect only if
    :config:option:`$cfg['Servers'][$i]['SignonScript']` is not configured.

.. seealso:: :ref:`auth_signon`

.. config:option:: $cfg['Servers'][$i]['SignonCookieParams']

:type: array
    :default: ``array()``

.. versionadded:: 4.7.0

An associative array of session cookie parameters of other authentication system.
    It is not needed if the other system doesn't use session_set_cookie_params().
    Keys should include 'lifetime', 'path', 'domain', 'secure' or 'httponly'.
    Valid values are mentioned in `session_get_cookie_params <https://www.php.net/manual/en/
    function.session-get-cookie-params.php>`_, they should be set to same values as the
    other application uses. Takes effect only if
    :config:option:`$cfg['Servers'][$i]['SignonScript']` is not configured.

.. seealso:: :ref:`auth_signon`

.. config:option:: $cfg['Servers'][$i]['SignonURL']

:type: string
    :default: ``''``

:term:`URL` where user will be redirected
    to log in for signon authentication method. Should be absolute
    including protocol.

.. seealso:: :ref:`auth_signon`

.. config:option:: $cfg['Servers'][$i]['LogoutURL']

:type: string
    :default: ``''``

:term:`URL` where user will be redirected
    after logout (doesn't affect config authentication method). Should be
    absolute including protocol.

Generic settings
----------------

.. config:option:: $cfg['DisableShortcutKeys']

:type: boolean
    :default: false

You can disable phpMyAdmin shortcut keys by setting :config:option:`$cfg['DisableShortcutKeys']` to false.

.. config:option:: $cfg['ServerDefault']

:type: integer
    :default: 1

If you have more than one server configured, you can set
    :config:option:`$cfg['ServerDefault']` to any one of them to autoconnect to that
    server when phpMyAdmin is started, or set it to 0 to be given a list
    of servers without logging in.

If you have only one server configured,
    :config:option:`$cfg['ServerDefault']` MUST be set to that server.

.. config:option:: $cfg['VersionCheck']

:type: boolean
    :default: true

Enables check for latest versions using JavaScript on the main phpMyAdmin
    page or by directly accessing `index.php?route=/version-check`.

.. note::

This setting can be adjusted by your vendor.

.. config:option:: $cfg['ProxyUrl']

:type: string
    :default: ""

The url of the proxy to be used when phpmyadmin needs to access the outside
    internet such as when retrieving the latest version info or submitting error
    reports.  You need this if the server where phpMyAdmin is installed does not
    have direct access to the internet.
    The format is: "hostname:portnumber"

.. config:option:: $cfg['ProxyUser']

:type: string
    :default: ""

The username for authenticating with the proxy. By default, no
    authentication is performed. If a username is supplied, Basic
    Authentication will be performed. No other types of authentication
    are currently supported.

.. config:option:: $cfg['ProxyPass']

:type: string
    :default: ""

The password for authenticating with the proxy.

.. config:option:: $cfg['MaxDbList']

:type: integer
    :default: 100

The maximum number of database names to be displayed in the main panel's
    database list.

.. config:option:: $cfg['MaxTableList']

:type: integer
    :default: 250

The maximum number of table names to be displayed in the main panel's
    list (except on the Export page).

.. config:option:: $cfg['ShowHint']

:type: boolean
    :default: true

Whether or not to show hints (for example, hints when hovering over
    table headers).

.. config:option:: $cfg['MaxCharactersInDisplayedSQL']

:type: integer
    :default: 1000

The maximum number of characters when a :term:`SQL` query is displayed. The
    default limit of 1000 should be correct to avoid the display of tons of
    hexadecimal codes that represent BLOBs, but some users have real
    :term:`SQL` queries that are longer than 1000 characters. Also, if a
    query's length exceeds this limit, this query is not saved in the history.

.. config:option:: $cfg['PersistentConnections']

:type: boolean
    :default: false

Whether `persistent connections <https://www.php.net/manual/en/features
    .persistent-connections.php>`_ should be used or not. Works with
    following extensions:

* mysql (`mysql\_pconnect <https://www.php.net/manual/en/function.mysql-
      pconnect.php>`_),
    * mysqli (requires PHP 5.3.0 or newer, `more information
      <https://www.php.net/manual/en/mysqli.persistconns.php>`_).

.. config:option:: $cfg['ForceSSL']

:type: boolean
    :default: false

.. deprecated:: 4.6.0

This setting is no longer available since phpMyAdmin 4.6.0. Please
        adjust your webserver instead.

Whether to force using https while accessing phpMyAdmin. In a reverse
    proxy setup, setting this to ``true`` is not supported.

.. note::

In some setups (like separate SSL proxy or load balancer) you might
        have to set :config:option:`$cfg['PmaAbsoluteUri']` for correct
        redirection.

.. config:option:: $cfg['MysqlSslWarningSafeHosts']

:type: array
    :default: ``['127.0.0.1', 'localhost']``

This search is case-sensitive and will match the exact string only.
    If your setup does not use SSL but is safe because you are using a
    local connection or private network, you can add your hostname or :term:`IP` to the list.
    You can also remove the default entries to only include yours.

This check uses the value of :config:option:`$cfg['Servers'][$i]['host']`.

.. versionadded:: 5.1.0

Example configuration

.. code-block:: php

$cfg['MysqlSslWarningSafeHosts'] = ['127.0.0.1', 'localhost', 'mariadb.local'];

.. config:option:: $cfg['ExecTimeLimit']

:type: integer [number of seconds]
    :default: 300

Set the number of seconds a script is allowed to run. If seconds is
    set to zero, no time limit is imposed. This setting is used while
    importing/exporting dump files but has
    no effect when PHP is running in safe mode.

.. config:option:: $cfg['SessionSavePath']

:type: string
    :default: ``''``

Path for storing session data (`session\_save\_path PHP parameter
    <https://www.php.net/session_save_path>`_).

.. warning::

This folder should not be publicly accessible through the webserver,
        otherwise you risk leaking private data from your session.

.. config:option:: $cfg['MemoryLimit']

:type: string [number of bytes]
    :default: ``'-1'``

Set the number of bytes a script is allowed to allocate. If set to
    ``'-1'``, no limit is imposed. If set to ``'0'``, no change of the
    memory limit is attempted and the :file:`php.ini` ``memory_limit`` is
    used.

This setting is used while importing/exporting dump files
    so you definitely don't want to put here a too low
    value. It has no effect when PHP is running in safe mode.

You can also use any string as in :file:`php.ini`, eg. '16M'. Ensure you
    don't omit the suffix (16 means 16 bytes!)

.. config:option:: $cfg['SkipLockedTables']

:type: boolean
    :default: false

Mark used tables and make it possible to show databases with locked
    tables (since MySQL 3.23.30).

.. config:option:: $cfg['ShowSQL']

:type: boolean
    :default: true

Defines whether :term:`SQL` queries
    generated by phpMyAdmin should be displayed or not.

.. config:option:: $cfg['RetainQueryBox']

:type: boolean
    :default: false

Defines whether the :term:`SQL` query box
    should be kept displayed after its submission.

.. config:option:: $cfg['CodemirrorEnable']

:type: boolean
    :default: true

Defines whether to use a Javascript code editor for SQL query boxes.
    CodeMirror provides syntax highlighting and line numbers.  However,
    middle-clicking for pasting the clipboard contents in some Linux
    distributions (such as Ubuntu) is not supported by all browsers.

.. config:option:: $cfg['DefaultForeignKeyChecks']

:type: string
    :default: ``'default'``

Default value of the checkbox for foreign key checks, to disable/enable
    foreign key checks for certain queries. The possible values are ``'default'``,
    ``'enable'`` or ``'disable'``. If set to ``'default'``, the value of the
    MySQL variable ``FOREIGN_KEY_CHECKS`` is used.

.. config:option:: $cfg['AllowUserDropDatabase']

:type: boolean
    :default: false

.. warning::

This is not a security measure as there will be always ways to
        circumvent this. If you want to prohibit users from dropping databases,
        revoke their corresponding DROP privilege.

Defines whether normal users (non-administrator) are allowed to delete
    their own database or not. If set as false, the link :guilabel:`Drop
    Database` will not be shown, and even a ``DROP DATABASE mydatabase`` will
    be rejected. Quite practical for :term:`ISP` 's with many customers.

This limitation of :term:`SQL` queries is not as strict as when using MySQL
    privileges. This is due to nature of :term:`SQL` queries which might be
    quite complicated.  So this choice should be viewed as help to avoid
    accidental dropping rather than strict privilege limitation.

.. config:option:: $cfg['Confirm']

:type: boolean
    :default: true

Whether a warning ("Are your really sure...") should be displayed when
    you're about to lose data.

.. config:option:: $cfg['UseDbSearch']

:type: boolean
    :default: true

Define whether the "search string inside database" is enabled or not.

.. config:option:: $cfg['IgnoreMultiSubmitErrors']

:type: boolean
    :default: false

Define whether phpMyAdmin will continue executing a multi-query
    statement if one of the queries fails. Default is to abort execution.

.. config:option:: $cfg['enable_drag_drop_import']

:type: boolean
    :default: true

Whether or not the drag and drop import feature is enabled.
    When enabled, a user can drag a file in to their browser and phpMyAdmin will
    attempt to import the file.

Cookie authentication options
-----------------------------

.. config:option:: $cfg['blowfish_secret']

:type: string
    :default: ``''``

The "cookie" auth\_type uses AES algorithm to encrypt the password. If you
    are using the "cookie" auth\_type, enter here a random passphrase of your
    choice. It will be used internally by the AES algorithm: you won’t be
    prompted for this passphrase.

The secret should be 32 characters long. Using shorter will lead to weaker security
    of encrypted cookies, using longer will cause no harm.

.. note::

The configuration is called blowfish_secret for historical reasons as
        Blowfish algorithm was originally used to do the encryption.

.. versionchanged:: 3.1.0
        Since version 3.1.0 phpMyAdmin can generate this on the fly, but it
        makes a bit weaker security as this generated secret is stored in
        session and furthermore it makes impossible to recall user name from
        cookie.

.. config:option:: $cfg['CookieSameSite']

:type: string
    :default: ``'Strict'``

.. versionadded:: 5.1.0

It sets SameSite attribute of the Set-Cookie :term:`HTTP` response header.
    Valid values are:

* ``Lax``
    * ``Strict``
    * ``None``

.. seealso:: `rfc6265 bis <https://tools.ietf.org/id/draft-ietf-httpbis-rfc6265bis-03.html#rfc.section.5.3.7>`_

.. config:option:: $cfg['LoginCookieRecall']

:type: boolean
    :default: true

Define whether the previous login should be recalled or not in cookie
    authentication mode.

This is automatically disabled if you do not have
    configured :config:option:`$cfg['blowfish_secret']`.

.. config:option:: $cfg['LoginCookieValidity']

:type: integer [number of seconds]
    :default: 1440

Define how long a login cookie is valid. Please note that php
    configuration option `session.gc\_maxlifetime
    <https://www.php.net/manual/en/session.configuration.php#ini.session.gc-
    maxlifetime>`_ might limit session validity and if the session is lost,
    the login cookie is also invalidated. So it is a good idea to set
    ``session.gc_maxlifetime`` at least to the same value of
    :config:option:`$cfg['LoginCookieValidity']`.

.. config:option:: $cfg['LoginCookieStore']

:type: integer [number of seconds]
    :default: 0

Define how long login cookie should be stored in browser. Default 0
    means that it will be kept for existing session. This is recommended
    for not trusted environments.

.. config:option:: $cfg['LoginCookieDeleteAll']

:type: boolean
    :default: true

If enabled (default), logout deletes cookies for all servers,
    otherwise only for current one. Setting this to false makes it easy to
    forget to log out from other server, when you are using more of them.

.. _AllowArbitraryServer:
.. config:option:: $cfg['AllowArbitraryServer']

:type: boolean
    :default: false

If enabled, allows you to log in to arbitrary servers using cookie
    authentication.

.. note::

Please use this carefully, as this may allow users access to MySQL servers
        behind the firewall where your :term:`HTTP` server is placed.
        See also :config:option:`$cfg['ArbitraryServerRegexp']`.

.. config:option:: $cfg['ArbitraryServerRegexp']

:type: string
    :default: ``''``

Restricts the MySQL servers to which the user can log in when
    :config:option:`$cfg['AllowArbitraryServer']` is enabled by
    matching the :term:`IP` or the hostname of the MySQL server
    to the given regular expression. The regular expression must be enclosed
    with a delimiter character.

It is recommended to include start and end symbols in the regular
    expression, so that you can avoid partial matches on the string.

**Examples:**

.. code-block:: php

// Allow connection to three listed servers:
        $cfg['ArbitraryServerRegexp'] = '/^(server|another|yetdifferent)$/';

// Allow connection to range of IP addresses:
        $cfg['ArbitraryServerRegexp'] = '@^192\.168\.0\.[0-9]{1,}$@';

// Allow connection to server name ending with -mysql:
        $cfg['ArbitraryServerRegexp'] = '@^[^:]\-mysql$@';

.. note::

The whole server name is matched, it can include port as well. Due to
        way MySQL is permissive in connection parameters, it is possible to use
        connection strings as ```server:3306-mysql```. This can be used to
        bypass regular expression by the suffix, while connecting to another
        server.

.. config:option:: $cfg['CaptchaMethod']

:type: string
    :default: ``'invisible'``

Valid values are:

* ``'invisible'`` Use an invisible captcha checking method;
    * ``'checkbox'`` Use a checkbox to confirm the user is not a robot.

.. versionadded:: 5.0.3

.. config:option:: $cfg['CaptchaApi']

:type: string
    :default: ``'https://www.google.com/recaptcha/api.js'``

.. versionadded:: 5.1.0

The URL for the reCaptcha v2 service's API, either Google's or a compatible one.

.. config:option:: $cfg['CaptchaCsp']

:type: string
    :default: ``'https://apis.google.com https://www.google.com/recaptcha/ https://www.gstatic.com/recaptcha/ https://ssl.gstatic.com/'``

.. versionadded:: 5.1.0

The Content-Security-Policy snippet (URLs from which to allow embedded content)
    for the reCaptcha v2 service, either Google's or a compatible one.

.. config:option:: $cfg['CaptchaRequestParam']

:type: string
    :default: ``'g-recaptcha'``

.. versionadded:: 5.1.0

The request parameter used for the reCaptcha v2 service.

.. config:option:: $cfg['CaptchaResponseParam']

:type: string
    :default: ``'g-recaptcha-response'``

.. versionadded:: 5.1.0

The response parameter used for the reCaptcha v2 service.

.. config:option:: $cfg['CaptchaLoginPublicKey']

:type: string
    :default: ``''``

The public key for the reCaptcha service that can be obtained from the
    "Admin Console" on https://www.google.com/recaptcha/about/.

.. seealso:: <https://developers.google.com/recaptcha/docs/v3>

reCaptcha will be then used in :ref:`cookie`.

.. config:option:: $cfg['CaptchaLoginPrivateKey']

:type: string
    :default: ``''``

The private key for the reCaptcha service that can be obtained from the
    "Admin Console" on https://www.google.com/recaptcha/about/.

.. seealso:: <https://developers.google.com/recaptcha/docs/v3>

reCaptcha will be then used in :ref:`cookie`.

.. config:option:: $cfg['CaptchaSiteVerifyURL']

:type: string
    :default: ``''``

The URL for the reCaptcha service to do siteverify action.

reCaptcha will be then used in :ref:`cookie`.

.. versionadded:: 5.1.0

Navigation panel setup
----------------------

.. config:option:: $cfg['ShowDatabasesNavigationAsTree']

:type: boolean
    :default: true

In the navigation panel, replaces the database tree with a selector

.. config:option:: $cfg['FirstLevelNavigationItems']

:type: integer
    :default: 100

The number of first level databases that can be displayed on each page
    of navigation tree.

.. config:option:: $cfg['MaxNavigationItems']

:type: integer
    :default: 50

The number of items (tables, columns, indexes) that can be displayed on each
    page of the navigation tree.

.. config:option:: $cfg['NavigationTreeEnableGrouping']

:type: boolean
    :default: true

Defines whether to group the databases based on a common prefix
    in their name :config:option:`$cfg['NavigationTreeDbSeparator']`.

.. config:option:: $cfg['NavigationTreeDbSeparator']

:type: string
    :default: ``'_'``

The string used to separate the parts of the database name when
    showing them in a tree.

.. config:option:: $cfg['NavigationTreeTableSeparator']

:type: string or array
    :default: ``'__'``

Defines a string to be used to nest table spaces. This means if you have
    tables like ``first__second__third`` this will be shown as a three-level
    hierarchy like: first > second > third.  If set to false or empty, the
    feature is disabled. NOTE: You should not use this separator at the
    beginning or end of a table name or multiple times after another without
    any other characters in between.

.. config:option:: $cfg['NavigationTreeTableLevel']

:type: integer
    :default: 1

Defines how many sublevels should be displayed when splitting up
    tables by the above separator.

.. config:option:: $cfg['NumRecentTables']

:type: integer
    :default: 10

The maximum number of recently used tables shown in the navigation
    panel. Set this to 0 (zero) to disable the listing of recent tables.

.. config:option:: $cfg['NumFavoriteTables']

:type: integer
    :default: 10

The maximum number of favorite tables shown in the navigation
    panel. Set this to 0 (zero) to disable the listing of favorite tables.

.. config:option:: $cfg['ZeroConf']

:type: boolean
    :default: true

Enables Zero Configuration mode in which the user will be offered a choice to
    create phpMyAdmin configuration storage in the current database
    or use the existing one, if already present.

This setting has no effect if the phpMyAdmin configuration storage database
    is properly created and the related configuration directives (such as
    :config:option:`$cfg['Servers'][$i]['pmadb']` and so on) are configured.

.. config:option:: $cfg['NavigationLinkWithMainPanel']

:type: boolean
    :default: true

Defines whether or not to link with main panel by highlighting
    the current database or table.

.. config:option:: $cfg['NavigationDisplayLogo']

:type: boolean
    :default: true

Defines whether or not to display the phpMyAdmin logo at the top of
    the navigation panel.

.. config:option:: $cfg['NavigationLogoLink']

:type: string
    :default: ``'index.php'``

Enter the :term:`URL` where the logo in the navigation panel will point to.
    For use especially with self made theme which changes this.
    For relative/internal URLs, you need to have leading `` ./ `` or trailing characters `` ? `` such as ``'./index.php?route=/server/sql?'``.
    For external URLs, you should include URL protocol schemes (``http`` or ``https``) with absolute URLs.

You may want to make the link open in a new browser tab, for that you need to use :config:option:`$cfg['NavigationLogoLinkWindow']`

.. config:option:: $cfg['NavigationLogoLinkWindow']

:type: string
    :default: ``'main'``

Whether to open the linked page in the main window (``main``) or in a
    new one (``new``). Note: use ``new`` if you are linking to
    ``phpmyadmin.net``.

To open the link in the main window you will need to add the value of :config:option:`$cfg['NavigationLogoLink']`
    to :config:option:`$cfg['CSPAllow']` because of the :term:`Content Security Policy` header.

.. config:option:: $cfg['NavigationTreeDisplayItemFilterMinimum']

:type: integer
    :default: 30

Defines the minimum number of items (tables, views, routines and
    events) to display a JavaScript filter box above the list of items in
    the navigation tree.

To disable the filter completely some high number can be used (e.g. 9999)

.. config:option:: $cfg['NavigationTreeDisplayDbFilterMinimum']

:type: integer
    :default: 30

Defines the minimum number of databases to display a JavaScript filter
    box above the list of databases in the navigation tree.

To disable the filter completely some high number can be used
    (e.g. 9999)

.. config:option:: $cfg['NavigationDisplayServers']

:type: boolean
    :default: true

Defines whether or not to display a server choice at the top of the
    navigation panel.

.. config:option:: $cfg['DisplayServersList']

:type: boolean
    :default: false

Defines whether to display this server choice as links instead of in a
    drop-down.

.. config:option:: $cfg['NavigationTreeDefaultTabTable']

:type: string
    :default: ``'structure'``

Defines the tab displayed by default when clicking the small icon next
    to each table name in the navigation panel. The possible values are the
    localized equivalent of:

* ``structure``
    * ``sql``
    * ``search``
    * ``insert``
    * ``browse``

.. config:option:: $cfg['NavigationTreeDefaultTabTable2']

:type: string
    :default: null

Defines the tab displayed by default when clicking the second small icon next
    to each table name in the navigation panel. The possible values are the
    localized equivalent of:

* ``(empty)``
    * ``structure``
    * ``sql``
    * ``search``
    * ``insert``
    * ``browse``

.. config:option:: $cfg['NavigationTreeEnableExpansion']

:type: boolean
    :default: true

Whether to offer the possibility of tree expansion in the navigation panel.

.. config:option:: $cfg['NavigationTreeShowTables']

:type: boolean
    :default: true

Whether to show tables under database in the navigation panel.

.. config:option:: $cfg['NavigationTreeShowViews']

:type: boolean
    :default: true

Whether to show views under database in the navigation panel.

.. config:option:: $cfg['NavigationTreeShowFunctions']

:type: boolean
    :default: true

Whether to show functions under database in the navigation panel.

.. config:option:: $cfg['NavigationTreeShowProcedures']

:type: boolean
    :default: true

Whether to show procedures under database in the navigation panel.

.. config:option:: $cfg['NavigationTreeShowEvents']

:type: boolean
    :default: true

Whether to show events under database in the navigation panel.

.. config:option:: $cfg['NavigationWidth']

:type: integer
    :default: 240

Navigation panel width, set to 0 to collapse it by default.

Main panel
----------

.. config:option:: $cfg['ShowStats']

:type: boolean
    :default: true

Defines whether or not to display space usage and statistics about
    databases and tables. Note that statistics requires at least MySQL
    3.23.3 and that, at this date, MySQL doesn't return such information
    for Berkeley DB tables.

.. config:option:: $cfg['ShowServerInfo']

:type: boolean
    :default: true

Defines whether to display detailed server information on main page.
    You can additionally hide more information by using
    :config:option:`$cfg['Servers'][$i]['verbose']`.

.. config:option:: $cfg['ShowPhpInfo']

:type: boolean
    :default: false

Defines whether to display the :guilabel:`PHP information` or not at
    the starting main (right) frame.

Please note that to block the usage of ``phpinfo()`` in scripts, you have to
    put this in your :file:`php.ini`:

.. code-block:: ini

disable_functions = phpinfo()

.. warning::

Enabling phpinfo page will leak quite a lot of information about server
        setup. Is it not recommended to enable this on shared installations.

This might also make easier some remote attacks on your installations,
        so enable this only when needed.

.. config:option:: $cfg['ShowChgPassword']

:type: boolean
    :default: true

Defines whether to display the :guilabel:`Change password` link or not at
    the starting main (right) frame. This setting does not check MySQL commands
    entered directly.

Please note that enabling the :guilabel:`Change password` link has no effect
    with config authentication mode: because of the hard coded password value
    in the configuration file, end users can't be allowed to change their
    passwords.

.. config:option:: $cfg['ShowCreateDb']

:type: boolean
    :default: true

Defines whether to display the form for creating database or not at the
    starting main (right) frame. This setting does not check MySQL commands
    entered directly.

.. config:option:: $cfg['ShowGitRevision']

:type: boolean
    :default: true

Defines whether to display information about the current Git revision (if
    applicable) on the main panel.

.. config:option:: $cfg['MysqlMinVersion']

:type: array

Defines the minimum supported MySQL version. The default is chosen
    by the phpMyAdmin team; however this directive was asked by a developer
    of the Plesk control panel to ease integration with older MySQL servers
    (where most of the phpMyAdmin features work).

Database structure
------------------

.. config:option:: $cfg['ShowDbStructureCreation']

:type: boolean
    :default: false

Defines whether the database structure page (tables list) has a
    "Creation" column that displays when each table was created.

.. config:option:: $cfg['ShowDbStructureLastUpdate']

:type: boolean
    :default: false

Defines whether the database structure page (tables list) has a "Last
    update" column that displays when each table was last updated.

.. config:option:: $cfg['ShowDbStructureLastCheck']

:type: boolean
    :default: false

Defines whether the database structure page (tables list) has a "Last
    check" column that displays when each table was last checked.

.. config:option:: $cfg['HideStructureActions']

:type: boolean
    :default: true

Defines whether the table structure actions are hidden under a "More"
    drop-down.

.. config:option:: $cfg['ShowColumnComments']

:type: boolean
    :default: true

Defines whether to show column comments as a column in the table structure view.

Browse mode
-----------

.. config:option:: $cfg['TableNavigationLinksMode']

:type: string
    :default: ``'icons'``

Defines whether the table navigation links contain ``'icons'``, ``'text'``
    or ``'both'``.

.. config:option:: $cfg['ActionLinksMode']

:type: string
    :default: ``'both'``

If set to ``icons``, will display icons instead of text for db and table
    properties links (like :guilabel:`Browse`, :guilabel:`Select`,
    :guilabel:`Insert`, ...). Can be set to ``'both'``
    if you want icons AND text. When set to ``text``, will only show text.

.. config:option:: $cfg['RowActionType']

:type: string
    :default: ``'both'``

Whether to display icons or text or both icons and text in table row action
    segment. Value can be either of ``'icons'``, ``'text'`` or ``'both'``.

.. config:option:: $cfg['ShowAll']

:type: boolean
    :default: false

Defines whether a user should be displayed a "Show all" button in browse
    mode or not in all cases. By default it is shown only on small tables (less
    than 500 rows) to avoid performance issues while getting too many rows.

.. config:option:: $cfg['MaxRows']

:type: integer
    :default: 25

Number of rows displayed when browsing a result set and no LIMIT
    clause is used. If the result set contains more rows, "Previous" and
    "Next" links will be shown. Possible values: 25,50,100,250,500.

.. config:option:: $cfg['Order']

:type: string
    :default: ``'SMART'``

Defines whether columns are displayed in ascending (``ASC``) order, in
    descending (``DESC``) order or in a "smart" (``SMART``) order - I.E.
    descending order for columns of type TIME, DATE, DATETIME and
    TIMESTAMP, ascending order else- by default.

.. versionchanged:: 3.4.0
        Since phpMyAdmin 3.4.0 the default value is ``'SMART'``.

.. config:option:: $cfg['GridEditing']

:type: string
    :default: ``'double-click'``

Defines which action (``double-click`` or ``click``) triggers grid
    editing. Can be deactivated with the ``disabled`` value.

.. config:option:: $cfg['RelationalDisplay']

:type: string
    :default: ``'K'``

Defines the initial behavior for Options > Relational. ``K``, which
    is the default, displays the key while ``D`` shows the display column.

.. config:option:: $cfg['SaveCellsAtOnce']

:type: boolean
    :default: false

Defines whether or not to save all edited cells at once for grid
    editing.

Editing mode
------------

.. config:option:: $cfg['ProtectBinary']

:type: boolean or string
    :default: ``'blob'``

Defines whether ``BLOB`` or ``BINARY`` columns are protected from
    editing when browsing a table's content. Valid values are:

* ``false`` to allow editing of all columns;
    * ``'blob'`` to allow editing of all columns except ``BLOBS``;
    * ``'noblob'`` to disallow editing of all columns except ``BLOBS`` (the
      opposite of ``'blob'``);
    * ``'all'`` to disallow editing of all ``BINARY`` or ``BLOB`` columns.

.. config:option:: $cfg['ShowFunctionFields']

:type: boolean
    :default: true

Defines whether or not MySQL functions fields should be initially
    displayed in edit/insert mode. Since version 2.10, the user can toggle
    this setting from the interface.

.. config:option:: $cfg['ShowFieldTypesInDataEditView']

:type: boolean
    :default: true

Defines whether or not type fields should be initially displayed in
    edit/insert mode. The user can toggle this setting from the interface.

.. config:option:: $cfg['InsertRows']

:type: integer
    :default: 2

Defines the default number of rows to be entered from the Insert page.
    Users can manually change this from the bottom of that page to add or remove
    blank rows.

.. config:option:: $cfg['ForeignKeyMaxLimit']

:type: integer
    :default: 100

If there are fewer items than this in the set of foreign keys, then a
    drop-down box of foreign keys is presented, in the style described by
    the :config:option:`$cfg['ForeignKeyDropdownOrder']` setting.

.. config:option:: $cfg['ForeignKeyDropdownOrder']

:type: array
    :default: array('content-id', 'id-content')

For the foreign key drop-down fields, there are several methods of
    display, offering both the key and value data. The contents of the
    array should be one or both of the following strings: ``content-id``,
    ``id-content``.

Export and import settings
--------------------------

.. config:option:: $cfg['ZipDump']

:type: boolean
    :default: true

.. config:option:: $cfg['GZipDump']

:type: boolean
    :default: true

.. config:option:: $cfg['BZipDump']

:type: boolean
    :default: true

Defines whether to allow the use of zip/GZip/BZip2 compression when
    creating a dump file

.. config:option:: $cfg['CompressOnFly']

:type: boolean
    :default: true

Defines whether to allow on the fly compression for GZip/BZip2
    compressed exports. This doesn't affect smaller dumps and allows users
    to create larger dumps that won't otherwise fit in memory due to php
    memory limit. Produced files contain more GZip/BZip2 headers, but all
    normal programs handle this correctly.

.. config:option:: $cfg['Export']

:type: array
    :default: array(...)

In this array are defined default parameters for export, names of
    items are similar to texts seen on export page, so you can easily
    identify what they mean.

.. config:option:: $cfg['Export']['format']

:type: string
    :default: ``'sql'``

Default export format.

.. config:option:: $cfg['Export']['method']

:type: string
    :default: ``'quick'``

Defines how the export form is displayed when it loads. Valid values
    are:

* ``quick`` to display the minimum number of options to configure
    * ``custom`` to display every available option to configure
    * ``custom-no-form`` same as ``custom`` but does not display the option
      of using quick export

.. config:option:: $cfg['Export']['charset']

:type: string
    :default: ``''``

Defines charset for generated export. By default no charset conversion is
    done assuming UTF-8.

.. config:option:: $cfg['Export']['file_template_table']

:type: string
    :default: ``'@TABLE@'``

Default filename template for table exports.

.. seealso:: :ref:`faq6_27`

.. config:option:: $cfg['Export']['file_template_database']

:type: string
    :default: ``'@DATABASE@'``

Default filename template for database exports.

.. seealso:: :ref:`faq6_27`

.. config:option:: $cfg['Export']['file_template_server']

:type: string
    :default: ``'@SERVER@'``

Default filename template for server exports.

.. seealso:: :ref:`faq6_27`

.. config:option:: $cfg['Import']

:type: array
    :default: array(...)

In this array are defined default parameters for import, names of
    items are similar to texts seen on import page, so you can easily
    identify what they mean.

.. config:option:: $cfg['Import']['charset']

:type: string
    :default: ``''``

Defines charset for import. By default no charset conversion is done
    assuming UTF-8.

Tabs display settings
---------------------

.. config:option:: $cfg['TabsMode']

:type: string
    :default: ``'both'``

Defines whether the menu tabs contain ``'icons'``, ``'text'`` or ``'both'``.

.. config:option:: $cfg['PropertiesNumColumns']

:type: integer
    :default: 1

How many columns will be utilized to display the tables on the database
    property view? When setting this to a value larger than 1, the type of the
    database will be omitted for more display space.

.. config:option:: $cfg['DefaultTabServer']

:type: string
    :default: ``'welcome'``

Defines the tab displayed by default on server view. The possible values
    are the localized equivalent of:

* ``welcome`` (recommended for multi-user setups)
    * ``databases``,
    * ``status``
    * ``variables``
    * ``privileges``

.. config:option:: $cfg['DefaultTabDatabase']

:type: string
    :default: ``'structure'``

Defines the tab displayed by default on database view. The possible values
    are the localized equivalent of:

* ``structure``
    * ``sql``
    * ``search``
    * ``operations``

.. config:option:: $cfg['DefaultTabTable']

:type: string
    :default: ``'browse'``

Defines the tab displayed by default on table view. The possible values
    are the localized equivalent of:

* ``structure``
    * ``sql``
    * ``search``
    * ``insert``
    * ``browse``

PDF Options
-----------

.. config:option:: $cfg['PDFPageSizes']

:type: array
    :default: ``array('A3', 'A4', 'A5', 'letter', 'legal')``

Array of possible paper sizes for creating PDF pages.

You should never need to change this.

.. config:option:: $cfg['PDFDefaultPageSize']

:type: string
    :default: ``'A4'``

Default page size to use when creating PDF pages. Valid values are any
    listed in :config:option:`$cfg['PDFPageSizes']`.

Languages
---------

.. config:option:: $cfg['DefaultLang']

:type: string
    :default: ``'en'``

Defines the default language to use, if not browser-defined or user-
    defined. The corresponding language file needs to be in
    locale/*code*/LC\_MESSAGES/phpmyadmin.mo.

.. config:option:: $cfg['DefaultConnectionCollation']

:type: string
    :default: ``'utf8mb4_general_ci'``

Defines the default connection collation to use, if not user-defined.
    See the `MySQL documentation for charsets
    <https://dev.mysql.com/doc/refman/5.7/en/charset-charsets.html>`_
    for list of possible values.

.. config:option:: $cfg['Lang']

:type: string
    :default: not set

Force language to use. The corresponding language file needs to be in
    locale/*code*/LC\_MESSAGES/phpmyadmin.mo.

.. config:option:: $cfg['FilterLanguages']

:type: string
    :default: ``''``

Limit list of available languages to those matching the given regular
    expression. For example if you want only Czech and English, you should
    set filter to ``'^(cs|en)'``.

.. config:option:: $cfg['RecodingEngine']

:type: string
    :default: ``'auto'``

You can select here which functions will be used for character set
    conversion. Possible values are:

* auto - automatically use available one (first is tested iconv, then
      recode)
    * iconv - use iconv or libiconv functions
    * recode - use recode\_string function
    * mb - use :term:`mbstring` extension
    * none - disable encoding conversion

Enabled charset conversion activates a pull-down menu in the Export
    and Import pages, to choose the character set when exporting a file.
    The default value in this menu comes from
    :config:option:`$cfg['Export']['charset']` and :config:option:`$cfg['Import']['charset']`.

.. config:option:: $cfg['IconvExtraParams']

:type: string
    :default: ``'//TRANSLIT'``

Specify some parameters for iconv used in charset conversion. See
    `iconv documentation <https://www.gnu.org/savannah-checkouts/gnu/libiconv/documentati
    on/libiconv-1.15/iconv_open.3.html>`_ for details. By default
    ``//TRANSLIT`` is used, so that invalid characters will be
    transliterated.

.. config:option:: $cfg['AvailableCharsets']

:type: array
    :default: array(...)

Available character sets for MySQL conversion. You can add your own
    (any of supported by recode/iconv) or remove these which you don't
    use. Character sets will be shown in same order as here listed, so if
    you frequently use some of these move them to the top.

Web server settings
-------------------

.. config:option:: $cfg['OBGzip']

:type: string/boolean
    :default: ``'auto'``

Defines whether to use GZip output buffering for increased speed in
    :term:`HTTP` transfers. Set to
    true/false for enabling/disabling. When set to 'auto' (string),
    phpMyAdmin tries to enable output buffering and will automatically
    disable it if your browser has some problems with buffering. IE6 with
    a certain patch is known to cause data corruption when having enabled
    buffering.

.. config:option:: $cfg['TrustedProxies']

:type: array
    :default: array()

Lists proxies and HTTP headers which are trusted for
    :config:option:`$cfg['Servers'][$i]['AllowDeny']['order']`. This list is by
    default empty, you need to fill in some trusted proxy servers if you
    want to use rules for IP addresses behind proxy.

The following example specifies that phpMyAdmin should trust a
    HTTP\_X\_FORWARDED\_FOR (``X-Forwarded-For``) header coming from the proxy
    1.2.3.4:

.. code-block:: php

$cfg['TrustedProxies'] = array('1.2.3.4' => 'HTTP_X_FORWARDED_FOR');

The :config:option:`$cfg['Servers'][$i]['AllowDeny']['rules']` directive uses the
    client's IP address as usual.

.. config:option:: $cfg['GD2Available']

:type: string
    :default: ``'auto'``

Specifies whether GD >= 2 is available. If yes it can be used for MIME
    transformations. Possible values are:

* auto - automatically detect
    * yes - GD 2 functions can be used
    * no - GD 2 function cannot be used

.. config:option:: $cfg['CheckConfigurationPermissions']

:type: boolean
    :default: true

We normally check the permissions on the configuration file to ensure
    it's not world writable. However, phpMyAdmin could be installed on a
    NTFS filesystem mounted on a non-Windows server, in which case the
    permissions seems wrong but in fact cannot be detected. In this case a
    sysadmin would set this parameter to ``false``.

.. config:option:: $cfg['LinkLengthLimit']

:type: integer
    :default: 1000

Limit for length of :term:`URL` in links.  When length would be above this
    limit, it is replaced by form with button. This is required as some web
    servers (:term:`IIS`) have problems with long :term:`URL` .

.. config:option:: $cfg['CSPAllow']

:type: string
    :default: ``''``

Additional string to include in allowed script and image sources in Content
    Security Policy header.

This can be useful when you want to include some external JavaScript files
    in :file:`config.footer.inc.php` or :file:`config.header.inc.php`, which
    would be normally not allowed by :term:`Content Security Policy`.

To allow some sites, just list them within the string:

.. code-block:: php

$cfg['CSPAllow'] = 'example.com example.net';

.. versionadded:: 4.0.4

.. config:option:: $cfg['DisableMultiTableMaintenance']

:type: boolean
    :default: false

In the database Structure page, it's possible to mark some tables then
    choose an operation like optimizing for many tables. This can slow
    down a server; therefore, setting this to ``true`` prevents this kind
    of multiple maintenance operation.

Theme settings
--------------

Please directly modify :file:`themes/themename/scss/_variables.scss`, although
    your changes will be overwritten with the next update.

Design customization
--------------------

.. config:option:: $cfg['NavigationTreePointerEnable']

:type: boolean
    :default: true

When set to true, hovering over an item in the navigation panel causes that item to be marked
    (the background is highlighted).

.. config:option:: $cfg['BrowsePointerEnable']

:type: boolean
    :default: true

When set to true, hovering over a row in the Browse page causes that row to be marked (the background
    is highlighted).

.. config:option:: $cfg['BrowseMarkerEnable']

:type: boolean
    :default: true

When set to true, a data row is marked (the background is highlighted) when the row is selected
    with the checkbox.

.. config:option:: $cfg['LimitChars']

:type: integer
    :default: 50

Maximum number of characters shown in any non-numeric field on browse
    view. Can be turned off by a toggle button on the browse page.

.. config:option:: $cfg['RowActionLinks']

:type: string
    :default: ``'left'``

Defines the place where table row links (Edit, Copy, Delete) would be
    put when tables contents are displayed (you may have them displayed at
    the left side, right side, both sides or nowhere).

.. config:option:: $cfg['RowActionLinksWithoutUnique']

:type: boolean
    :default: false

Defines whether to show row links (Edit, Copy, Delete) and checkboxes
    for multiple row operations even when the selection does not have a :term:`unique key`.
    Using row actions in the absence of a unique key may result in different/more
    rows being affected since there is no guaranteed way to select the exact row(s).

.. config:option:: $cfg['RememberSorting']

:type: boolean
    :default: true

If enabled, remember the sorting of each table when browsing them.

.. config:option:: $cfg['TablePrimaryKeyOrder']

:type: string
    :default: ``'NONE'``

This defines the default sort order for the tables, having a :term:`primary key`,
    when there is no sort order defines externally.
    Acceptable values : ['NONE', 'ASC', 'DESC']

.. config:option:: $cfg['ShowBrowseComments']

:type: boolean
    :default: true

.. config:option:: $cfg['ShowPropertyComments']

:type: boolean
    :default: true

By setting the corresponding variable to ``true`` you can enable the
    display of column comments in Browse or Property display. In browse
    mode, the comments are shown inside the header. In property mode,
    comments are displayed using a CSS-formatted dashed-line below the
    name of the column. The comment is shown as a tool-tip for that
    column.

.. config:option:: $cfg['FirstDayOfCalendar']

:type: integer
    :default: 0

This will define the first day of week in the calendar. The number
    can be set from 0 to 6, which represents the seven days of the week,
    Sunday to Saturday respectively. This value can also be configured by the user
    in server settings -> features -> general -> First Day calendar field.

Text fields
-----------

.. config:option:: $cfg['CharEditing']

:type: string
    :default: ``'input'``

Defines which type of editing controls should be used for CHAR and
    VARCHAR columns. Applies to data editing and also to the default values
    in structure editing. Possible values are:

* input - this allows to limit size of text to size of columns in MySQL,
      but has problems with newlines in columns
    * textarea - no problems with newlines in columns, but also no length
      limitations

.. config:option:: $cfg['MinSizeForInputField']

:type: integer
    :default: 4

Defines the minimum size for input fields generated for CHAR and
    VARCHAR columns.

.. config:option:: $cfg['MaxSizeForInputField']

:type: integer
    :default: 60

Defines the maximum size for input fields generated for CHAR and
    VARCHAR columns.

.. config:option:: $cfg['TextareaCols']

:type: integer
    :default: 40

.. config:option:: $cfg['TextareaRows']

:type: integer
    :default: 15

.. config:option:: $cfg['CharTextareaCols']

:type: integer
    :default: 40

.. config:option:: $cfg['CharTextareaRows']

:type: integer
    :default: 2

Number of columns and rows for the textareas. This value will be
    emphasized (\*2) for :term:`SQL` query
    textareas and (\*1.25) for :term:`SQL`
    textareas inside the query window.

The Char\* values are used for CHAR
    and VARCHAR editing (if configured via :config:option:`$cfg['CharEditing']`).

.. config:option:: $cfg['LongtextDoubleTextarea']

:type: boolean
    :default: true

Defines whether textarea for LONGTEXT columns should have double size.

.. config:option:: $cfg['TextareaAutoSelect']

:type: boolean
    :default: false

Defines if the whole textarea of the query box will be selected on
    click.

.. config:option:: $cfg['EnableAutocompleteForTablesAndColumns']

:type: boolean
    :default: true

Whether to enable autocomplete for table and column names in any
    SQL query box.

SQL query box settings
----------------------

.. config:option:: $cfg['SQLQuery']['Edit']

:type: boolean
    :default: true

Whether to display an edit link to change a query in any SQL Query
    box.

.. config:option:: $cfg['SQLQuery']['Explain']

:type: boolean
    :default: true

Whether to display a link to explain a SELECT query in any SQL Query
    box.

.. config:option:: $cfg['SQLQuery']['ShowAsPHP']

:type: boolean
    :default: true

Whether to display a link to wrap a query in PHP code in any SQL Query
    box.

.. config:option:: $cfg['SQLQuery']['Refresh']

:type: boolean
    :default: true

Whether to display a link to refresh a query in any SQL Query box.

.. _web-dirs:

Web server upload/save/import directories
-----------------------------------------

If PHP is running in safe mode, all directories must be owned by the same user
as the owner of the phpMyAdmin scripts.

If the directory where phpMyAdmin is installed is subject to an
``open_basedir`` restriction, you need to create a temporary directory in some
directory accessible by the PHP interpreter.

For security reasons, all directories should be outside the tree published by
webserver. If you cannot avoid having this directory published by webserver,
limit access to it either by web server configuration (for example using
.htaccess or web.config files) or place at least an empty :file:`index.html`
file there, so that directory listing is not possible. However as long as the
directory is accessible by web server, an attacker can guess filenames to download
the files.

.. config:option:: $cfg['UploadDir']

:type: string
    :default: ``''``

The name of the directory where :term:`SQL` files have been uploaded by
    other means than phpMyAdmin (for example, FTP). Those files are available
    under a drop-down box when you click the database or table name, then the
    Import tab.

If
    you want different directory for each user, %u will be replaced with
    username.

Please note that the file names must have the suffix ".sql"
    (or ".sql.bz2" or ".sql.gz" if support for compressed formats is
    enabled).

This feature is useful when your file is too big to be
    uploaded via :term:`HTTP`, or when file
    uploads are disabled in PHP.

.. warning::

Please see top of this chapter (:ref:`web-dirs`) for instructions how
        to setup this directory and how to make its usage secure.

.. seealso::

See :ref:`faq1_16` for alternatives.

.. config:option:: $cfg['SaveDir']

:type: string
    :default: ``''``

The name of the webserver directory where exported files can be saved.

If you want a different directory for each user, %u will be replaced with the
    username.

Please note that the directory must exist and has to be writable for
    the user running webserver.

.. warning::

Please see top of this chapter (:ref:`web-dirs`) for instructions how
        to setup this directory and how to make its usage secure.

.. config:option:: $cfg['TempDir']

:type: string
    :default: ``'./tmp/'``

The name of the directory where temporary files can be stored. It is used
    for several purposes, currently:

* The templates cache which speeds up page loading.
    * ESRI Shapefiles import, see :ref:`faq6_30`.
    * To work around limitations of ``open_basedir`` for uploaded files, see
      :ref:`faq1_11`.

This directory should have as strict permissions as possible as the only
    user required to access this directory is the one who runs the webserver.
    If you have root privileges, simply make this user owner of this directory
    and make it accessible only by it:

.. code-block:: sh

chown www-data:www-data tmp
        chmod 700 tmp

If you cannot change owner of the directory, you can achieve a similar
    setup using :term:`ACL`:

.. code-block:: sh

chmod 700 tmp
        setfacl -m "g:www-data:rwx" tmp
        setfacl -d -m "g:www-data:rwx" tmp

If neither of above works for you, you can still make the directory
    :command:`chmod 777`, but it might impose risk of other users on system
    reading and writing data in this directory.

.. warning::

Please see top of this chapter (:ref:`web-dirs`) for instructions how
        to setup this directory and how to make its usage secure.

Various display setting
-----------------------

.. config:option:: $cfg['RepeatCells']

:type: integer
    :default: 100

Repeat the headers every X cells, or 0 to deactivate.

.. config:option:: $cfg['QueryHistoryDB']

:type: boolean
    :default: false

.. config:option:: $cfg['QueryHistoryMax']

:type: integer
    :default: 25

If :config:option:`$cfg['QueryHistoryDB']` is set to ``true``, all your
    Queries are logged to a table, which has to be created by you (see
    :config:option:`$cfg['Servers'][$i]['history']`). If set to false, all your
    queries will be appended to the form, but only as long as your window is
    opened they remain saved.

When using the JavaScript based query window, it will always get updated
    when you click on a new table/db to browse and will focus if you click on
    :guilabel:`Edit SQL` after using a query. You can suppress updating the
    query window by checking the box :guilabel:`Do not overwrite this query
    from outside the window` below the query textarea. Then you can browse
    tables/databases in the background without losing the contents of the
    textarea, so this is especially useful when composing a query with tables
    you first have to look in. The checkbox will get automatically checked
    whenever you change the contents of the textarea. Please uncheck the button
    whenever you definitely want the query window to get updated even though
    you have made alterations.

If :config:option:`$cfg['QueryHistoryDB']` is set to ``true`` you can
    specify the amount of saved history items using
    :config:option:`$cfg['QueryHistoryMax']`.

.. config:option:: $cfg['BrowseMIME']

:type: boolean
    :default: true

Enable :ref:`transformations`.

.. config:option:: $cfg['MaxExactCount']

:type: integer
    :default: 50000

For InnoDB tables, determines for how large tables phpMyAdmin should
    get the exact row count using ``SELECT COUNT``. If the approximate row
    count as returned by ``SHOW TABLE STATUS`` is smaller than this value,
    ``SELECT COUNT`` will be used, otherwise the approximate count will be
    used.

.. versionchanged:: 4.8.0

The default value was lowered to 50000 for performance reasons.

.. versionchanged:: 4.2.6

The default value was changed to 500000.

.. seealso:: :ref:`faq3_11`

.. config:option:: $cfg['MaxExactCountViews']

:type: integer
    :default: 0

For VIEWs, since obtaining the exact count could have an impact on
    performance, this value is the maximum to be displayed, using a
    ``SELECT COUNT ... LIMIT``. Setting this to 0 bypasses any row
    counting.

.. config:option:: $cfg['NaturalOrder']

:type: boolean
    :default: true

Sorts database and table names according to natural order (for
    example, t1, t2, t10). Currently implemented in the navigation panel
    and in Database view, for the table list.

.. config:option:: $cfg['InitialSlidersState']

:type: string
    :default: ``'closed'``

If set to ``'closed'``, the visual sliders are initially in a closed
    state. A value of ``'open'`` does the reverse. To completely disable
    all visual sliders, use ``'disabled'``.

.. config:option:: $cfg['UserprefsDisallow']

:type: array
    :default: array()

Contains names of configuration options (keys in ``$cfg`` array) that
    users can't set through user preferences. For possible values, refer
    to classes under :file:`libraries/classes/Config/Forms/User/`.

.. config:option:: $cfg['UserprefsDeveloperTab']

:type: boolean
    :default: false

Activates in the user preferences a tab containing options for
    developers of phpMyAdmin.

Page titles
-----------

.. config:option:: $cfg['TitleTable']

:type: string
    :default: ``'@HTTP_HOST@ / @VSERVER@ / @DATABASE@ / @TABLE@ | @PHPMYADMIN@'``

.. config:option:: $cfg['TitleDatabase']

:type: string
    :default: ``'@HTTP_HOST@ / @VSERVER@ / @DATABASE@ | @PHPMYADMIN@'``

.. config:option:: $cfg['TitleServer']

:type: string
    :default: ``'@HTTP_HOST@ / @VSERVER@ | @PHPMYADMIN@'``

.. config:option:: $cfg['TitleDefault']

:type: string
    :default: ``'@HTTP_HOST@ | @PHPMYADMIN@'``

Allows you to specify window's title bar. You can use :ref:`faq6_27`.

Theme manager settings
----------------------

.. config:option:: $cfg['ThemeManager']

:type: boolean
    :default: true

Enables user-selectable themes. See :ref:`faqthemes`.

.. config:option:: $cfg['ThemeDefault']

:type: string
    :default: ``'pmahomme'``

The default theme (a subdirectory under :file:`./themes/`).

.. config:option:: $cfg['ThemePerServer']

:type: boolean
    :default: false

Whether to allow different theme for each server.

.. config:option:: $cfg['FontSize']

:type: string
    :default: '82%'

.. deprecated:: 5.0.0

This setting was removed as the browser is more efficient,
        thus no need of this option.

Font size to use, is applied in CSS.

Default queries
---------------

.. config:option:: $cfg['DefaultQueryTable']

:type: string
    :default: ``'SELECT * FROM @TABLE@ WHERE 1'``

.. config:option:: $cfg['DefaultQueryDatabase']

:type: string
    :default: ``''``

Default queries that will be displayed in query boxes when user didn't
    specify any. You can use standard :ref:`faq6_27`.

MySQL settings
--------------

.. config:option:: $cfg['DefaultFunctions']

:type: array
    :default: array(...)

Functions selected by default when inserting/changing row, Functions
    are defined for meta types as (FUNC\_NUMBER, FUNC\_DATE, FUNC\_CHAR,
    FUNC\_SPATIAL, FUNC\_UUID) and for ``first_timestamp``, which is used
    for first timestamp column in table.

Default options for Transformations
-----------------------------------

.. config:option:: $cfg['DefaultTransformations']

:type: array
    :default: An array with below listed key-values

.. config:option:: $cfg['DefaultTransformations']['Substring']

:type: array
    :default: array(0, 'all', '…')

.. config:option:: $cfg['DefaultTransformations']['Bool2Text']

:type: array
    :default: array('T', 'F')

.. config:option:: $cfg['DefaultTransformations']['External']

:type: array
    :default: array(0, '-f /dev/null -i -wrap -q', 1, 1)

.. config:option:: $cfg['DefaultTransformations']['PreApPend']

:type: array
    :default: array('', '')

.. config:option:: $cfg['DefaultTransformations']['Hex']

:type: array
    :default: array('2')

.. config:option:: $cfg['DefaultTransformations']['DateFormat']

:type: array
    :default: array(0, '', 'local')

.. config:option:: $cfg['DefaultTransformations']['Inline']

:type: array
    :default: array('100', 100)

.. config:option:: $cfg['DefaultTransformations']['TextImageLink']

:type: array
    :default: array('', 100, 50)

.. config:option:: $cfg['DefaultTransformations']['TextLink']

:type: array
    :default: array('', '', '')

Console settings
----------------

.. note::

These settings are mostly meant to be changed by user.

.. config:option:: $cfg['Console']['StartHistory']

:type: boolean
    :default: false

Show query history at start

.. config:option:: $cfg['Console']['AlwaysExpand']

:type: boolean
    :default: false

Always expand query messages

.. config:option:: $cfg['Console']['CurrentQuery']

:type: boolean
    :default: true

Show current browsing query

.. config:option:: $cfg['Console']['EnterExecutes']

:type: boolean
    :default: false

Execute queries on Enter and insert new line with Shift + Enter

.. config:option:: $cfg['Console']['DarkTheme']

:type: boolean
    :default: false

Switch to dark theme

.. config:option:: $cfg['Console']['Mode']

:type: string
    :default: 'info'

Console mode

.. config:option:: $cfg['Console']['Height']

:type: integer
    :default: 92

Console height

Developer
---------

.. warning::

These settings might have huge effect on performance or security.

.. config:option:: $cfg['environment']

:type: string
    :default: ``'production'``

Sets the working environment.

This only needs to be changed when you are developing phpMyAdmin itself.
    The ``development`` mode may display debug information in some places.

Possible values are ``'production'`` or ``'development'``.

.. config:option:: $cfg['DBG']

:type: array
    :default: array(...)

.. config:option:: $cfg['DBG']['sql']

:type: boolean
    :default: false

Enable logging queries and execution times to be
    displayed in the console's Debug SQL tab.

.. config:option:: $cfg['DBG']['sqllog']

:type: boolean
    :default: false

Enable logging of queries and execution times to the syslog.
    Requires :config:option:`$cfg['DBG']['sql']` to be enabled.

.. config:option:: $cfg['DBG']['demo']

:type: boolean
    :default: false

Enable to let server present itself as demo server.
    This is used for `phpMyAdmin demo server <https://www.phpmyadmin.net/try/>`_.

It currently changes following behavior:

* There is welcome message on the main page.
    * There is footer information about demo server and used git revision.
    * The setup script is enabled even with existing configuration.
    * The setup does not try to connect to the MySQL server.

.. config:option:: $cfg['DBG']['simple2fa']

:type: boolean
    :default: false

Can be used for testing two-factor authentication using :ref:`simple2fa`.

.. _config-examples:

Examples
--------

See following configuration snippets for typical setups of phpMyAdmin.

Basic example
+++++++++++++

Example configuration file, which can be copied to :file:`config.inc.php` to
get some core configuration layout; it is distributed with phpMyAdmin as
:file:`config.sample.inc.php`. Please note that it does not contain all
configuration options, only the most frequently used ones.

.. literalinclude:: ../config.sample.inc.php
   :language: php

.. warning::

Don't use the controluser 'pma' if it does not yet exist and don't use 'pmapass'
    as password.

.. _example-signon:

Example for signon authentication
+++++++++++++++++++++++++++++++++

This example uses :file:`examples/signon.php` to demonstrate usage of :ref:`auth_signon`:

.. code-block:: php

<?php
    $i = 0;
    $i++;
    $cfg['Servers'][$i]['auth_type']     = 'signon';
    $cfg['Servers'][$i]['SignonSession'] = 'SignonSession';
    $cfg['Servers'][$i]['SignonURL']     = 'examples/signon.php';

Example for IP address limited autologin
++++++++++++++++++++++++++++++++++++++++

If you want to automatically login when accessing phpMyAdmin locally while asking
for a password when accessing remotely, you can achieve it using following snippet:

.. code-block:: php

if ($_SERVER["REMOTE_ADDR"] == "127.0.0.1") {
        $cfg['Servers'][$i]['auth_type'] = 'config';
        $cfg['Servers'][$i]['user'] = 'root';
        $cfg['Servers'][$i]['password'] = 'yourpassword';
    } else {
        $cfg['Servers'][$i]['auth_type'] = 'cookie';
    }

.. note::

Filtering based on IP addresses isn't reliable over the internet, use it
    only for local address.

Example for using multiple MySQL servers
++++++++++++++++++++++++++++++++++++++++

You can configure any number of servers using :config:option:`$cfg['Servers']`,
following example shows two of them:

.. code-block:: php

<?php
    $cfg['blowfish_secret']='multiServerExample70518';
    //any string of your choice
    $i = 0;

$i++; // server 1 :
    $cfg['Servers'][$i]['auth_type'] = 'cookie';
    $cfg['Servers'][$i]['verbose']   = 'no1';
    $cfg['Servers'][$i]['host']      = 'localhost';
    // more options for #1 ...

$i++; // server 2 :
    $cfg['Servers'][$i]['auth_type'] = 'cookie';
    $cfg['Servers'][$i]['verbose']   = 'no2';
    $cfg['Servers'][$i]['host']      = 'remote.host.addr';//or ip:'10.9.8.1'
    // this server must allow remote clients, e.g., host 10.9.8.%
    // not only in mysql.host but also in the startup configuration
    // more options for #2 ...

// end of server sections
    $cfg['ServerDefault'] = 0; // to choose the server on startup

// further general options ...

.. _example-google-ssl:

Google Cloud SQL with SSL
+++++++++++++++++++++++++

To connect to Google Could SQL, you currently need to disable certificate
verification. This is caused by the certificate being issued for CN matching
your instance name, but you connect to an IP address and PHP tries to match
these two. With verification you end up with error message like:

.. code-block:: text

Peer certificate CN=`api-project-851612429544:pmatest' did not match expected CN=`8.8.8.8'

.. warning::

With disabled verification your traffic is encrypted, but you're open to
    man in the middle attacks.

To connect phpMyAdmin to Google Cloud SQL using SSL download the client and
server certificates and tell phpMyAdmin to use them:

.. code-block:: php

// IP address of your instance
    $cfg['Servers'][$i]['host'] = '8.8.8.8';
    // Use SSL for connection
    $cfg['Servers'][$i]['ssl'] = true;
    // Client secret key
    $cfg['Servers'][$i]['ssl_key'] = '../client-key.pem';
    // Client certificate
    $cfg['Servers'][$i]['ssl_cert'] = '../client-cert.pem';
    // Server certification authority
    $cfg['Servers'][$i]['ssl_ca'] = '../server-ca.pem';
    // Disable SSL verification (see above note)
    $cfg['Servers'][$i]['ssl_verify'] = false;

.. seealso::

:ref:`ssl`,
    :config:option:`$cfg['Servers'][$i]['ssl']`,
    :config:option:`$cfg['Servers'][$i]['ssl_key']`,
    :config:option:`$cfg['Servers'][$i]['ssl_cert']`,
    :config:option:`$cfg['Servers'][$i]['ssl_ca']`,
    :config:option:`$cfg['Servers'][$i]['ssl_verify']`,
    <https://bugs.php.net/bug.php?id=72048>

reCaptcha using hCaptcha
++++++++++++++++++++++++

.. code-block:: php

$cfg['CaptchaApi'] = 'https://www.hcaptcha.com/1/api.js';
    $cfg['CaptchaCsp'] = 'https://hcaptcha.com https://*.hcaptcha.com';
    $cfg['CaptchaRequestParam'] = 'h-captcha';
    $cfg['CaptchaResponseParam'] = 'h-captcha-response';
    $cfg['CaptchaSiteVerifyURL'] = 'https://hcaptcha.com/siteverify';
    // This is the secret key from hCaptcha dashboard
    $cfg['CaptchaLoginPrivateKey'] = '0xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx';
    // This is the site key from hCaptcha dashboard
    $cfg['CaptchaLoginPublicKey'] = 'xxx-xxx-xxx-xxx-xxxx';

.. seealso:: `hCaptcha website <https://www.hcaptcha.com/>`_
.. seealso:: `hCaptcha Developer Guide <https://docs.hcaptcha.com/>`_

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.	dir	-	cwpsvc/cwpsvc	drwxr-xr-x	2021-06-04 07:15:42
..	dir	-	cwpsvc/cwpsvc	drwxr-xr-x	2021-06-04 07:17:06
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charts.rst.txt	text/plain	4.63 KB	cwpsvc/cwpsvc	-rw-r--r--	2021-06-04 07:15:40
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