<\/a>"}
*/
if(preg_match("/\\\\\//", $source)){
return true;
}
/*
*/
if(preg_match("/data-(no|skip)-lazy\s*\=\s*[\"\']\s*1\s*[\"\']/i", $source)){
return true;
}
//Slider Revolution
//
if(preg_match("/\sdata-lazyload\=[\"\']/i", $source)){
return true;
}
//
//
if(preg_match("/\sdata-([a-z-]*)lazy-src\=[\"\']/i", $source)){
return true;
}
//
if(preg_match("/\sdata-background_image_src\=[\"\']/i", $source)){
return true;
}
/*
Smash Balloon Social Photo Feed
lazy_load['exclude'] as $key => $value){
if(preg_match('/' . preg_quote($value, '/') . '/i', $source)){
return true;
}
}
return false;
}
static function video($data, $inline_scripts){
global $speedycache;
if(isset($speedycache->settings['noscript'])){
$inline_scripts = $inline_scripts . $speedycache->settings['noscript'];
}
$video_list = array();
$video_start_index = false;
for ($i = 0; $i < strlen($data); $i++){
if(isset($data[$i - 5])){
if(substr($data, $i - 5, 6) == ''){
array_push($video_list, array('start' => $video_start_index, 'end' => $i));
$video_start_index = false;
}
}
}
}
if(!empty($video_list)){
foreach(array_reverse($video_list) as $key => $value){
$video_html = substr($data, $value['start'], ($value['end'] - $value['start'] + 1));
if(self::is_exclude($video_html)){
continue;
}
$video_html = '';
$data = substr_replace($data, $video_html, $value['start'], ($value['end'] - $value['start'] + 1));
}
}
return $data;
}
static function background($content, $inline_scripts){
global $speedycache;
if(isset($speedycache->settings['noscript'])){
$inline_scripts = $inline_scripts . $speedycache->settings['noscript'];
}
preg_match_all('/<(div|span|a|section|li)\s[^\>]*style\s*\=\s*[\"\'][^\"\']*(background\-image\s*\:\s*url\s*\(([^\)\(]+)\)\;?)[^\"\']*[\"\'][^\>]*>/i', $content, $matches, PREG_SET_ORDER);
if(count($matches) > 0){
/*
[0] = full
[1] = tag
[2] = backgound image
[3] = url
*/
foreach($matches as $key => $div){
// don't to the replacement if the image appear in js
if(preg_match("/" . preg_quote($div[0], '/') . '/i', $inline_scripts)){
continue;
}
if(self::is_exclude($div[0])){
continue;
}
$tmp = $div[0];
//to remove backgound attribute
$tmp = str_replace($div[2], '', $tmp);
//to add lazy load attribute
$div[3] = preg_replace("/[\"\']/", '', $div[3]);
$tmp = preg_replace("/<([a-z]{1,4})\s/i", "<$1 data-speedycache-original-src='" . $div[3] . "' ", $tmp);
$content = str_replace($div[0], $tmp, $content);
}
}
return $content;
}
static function images($content, $inline_scripts){
global $speedycache;
if(isset($speedycache->settings['noscript'])){
$inline_scripts = $inline_scripts . $speedycache->settings['noscript'];
}
$offset = 2;
preg_match_all('/]+>/i', $content, $matches);
$count = 0;
if(count($matches[0]) > 0){
foreach($matches[0] as $key => $img){
$count++;
$tmp_img = false;
if(preg_match("/onload=[\"\']/i", $img)){
continue;
}
if(preg_match("/src\s*\=\s*[\'\"]\s*[\'\"]/i", $img)){
continue;
}
// Excluding images from lazy loading and adding fetchpriority to high,
// as we need to load that image faster if we are not lazy loading them
if(!empty($speedycache->options['exclude_above_fold']) && is_numeric($speedycache->options['exclude_above_fold'])){
if($count < $speedycache->options['exclude_above_fold']){
$tmp_img = $img;
$img = preg_replace('/fetchpriority=["\'].*["\']/Us', '', $img);
$img = preg_replace('/loading=["\'].*["\']/Us', '', $img);
$img = preg_replace('/decoding=["\'].*["\']/Us', '', $img);
$img = str_replace(']+>/i', $content, $matches);
if(count($matches[0]) > 0){
foreach($matches[0] as $iframe){
if(self::is_exclude($iframe)){
continue;
}
self::iframe_replace($inline_scripts, $iframe, $content);
}
}
return $content;
}
static function iframe_replace($inline_scripts, $iframe, &$content){
// don't to the replacement if the frame appear in js
if(preg_match('/' . preg_quote($iframe, "/") . '/i', $inline_scripts)){
return;
}
if(preg_match("/onload=[\"\']/i", $iframe)){
return;
}
if(preg_match("/(youtube|youtube-nocookie)\.com\/embed/i", $iframe) && !preg_match("/videoseries\?list/i", $iframe)){
// to exclude /videoseries?list= because of problem with getting thumbnail
$tmp_iframe = preg_replace("/\ssrc\=[\"\'](https?\:)?\/\/(www\.)?(youtube|youtube-nocookie)\.com\/embed\/([^\"\']+)[\"\']/i", " onload=\"speedycachell.r(this,true);\" data-speedycache-original-src=\"" . SPEEDYCACHE_WP_CONTENT_URL . "/plugins/".SPEEDYCACHE_PRO_BASE_NAME."/main/youtube.html#$4\"", $iframe);
} else {
$tmp_iframe = preg_replace("/\ssrc\=/i", " onload=\"speedycachell.r(this,true);\" data-speedycache-original-src=", $iframe);
}
$content = str_replace($iframe, $tmp_iframe, $content);
}
static function get_js_source(){
$js = "\n\n";
/**
* Structure of this array is
* searchable => replacer
*/
$js_replaces = array(
'/\/\*[^\n]+\*\//' => '', //to remove comments
'/var\sself/' => 'var s',
'/self\./' => 's.',
'/speedycache_lazy_load/' => 'speedycachell',
'/(\.?)init(\:?)/' => '$1i$2',
'/(\.?)load_images(\:?)/' => '$1li$2',
'/\s*(\+|\=|\:|\;|\{|\}|\,)\s*/' => '$1',
'/originalsrcset/' => 'ot',
'/originalsrc/' => 'oc',
'/load_sources/' => 'ls',
'/set_source/' => 'ss',
'/sources/' => 's',
'/winH/' => 'w',
'/number/' => 'n',
'/elemRect/' => 'er',
'/parentRect/' => 'pr',
'/parentOfE/' => 'p',
'/top(\=|\+)/' => 't$1'
);
foreach($js_replaces as $search => $replace){
$js = preg_replace($search, $replace, $js);
}
return $js;
}
}
lazy_load['exclude'] as $key => $value){
if(preg_match('/' . preg_quote($value, '/') . '/i', $source)){
return true;
}
}
return false;
}
static function video($data, $inline_scripts){
global $speedycache;
if(isset($speedycache->settings['noscript'])){
$inline_scripts = $inline_scripts . $speedycache->settings['noscript'];
}
$video_list = array();
$video_start_index = false;
for ($i = 0; $i < strlen($data); $i++){
if(isset($data[$i - 5])){
if(substr($data, $i - 5, 6) == '