496 lines
15 KiB
PHP
496 lines
15 KiB
PHP
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<?php
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if (!defined('ABSPATH')) die('No direct access allowed');
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if (!defined('WP_OPTIMIZE_MINIFY_DIR')) {
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die('No direct access.');
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}
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if (!function_exists('wpo_delete_files')) {
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include WPO_PLUGIN_MAIN_PATH.'cache/file-based-page-cache-functions.php';
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}
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class WP_Optimize_Minify_Cache_Functions {
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/**
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* Fix the permission bits on generated files
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*
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* @param String $file - full path to a file
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*/
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public static function fix_permission_bits($file) {
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if (function_exists('stat')) {
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if ($stat = stat(dirname($file))) {
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$perms = $stat['mode'] & 0007777;
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chmod($file, $perms);
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clearstatcache();
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return true;
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}
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}
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// Get permissions from parent directory
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$perms = 0777;
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if (function_exists('stat')) {
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if ($stat = stat(dirname($file))) {
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$perms = $stat['mode'] & 0007777;
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}
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}
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if (file_exists($file)) {
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if (($perms & ~umask() != $perms)) {
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$folder_parts = explode('/', substr($file, strlen(dirname($file)) + 1));
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for ($i = 1, $c = count($folder_parts); $i <= $c; $i++) {
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chmod(dirname($file) . '/' . implode('/', array_slice($folder_parts, 0, $i)), $perms);
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}
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}
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}
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return true;
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}
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/**
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* Get cache directories and urls
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*
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* @return Array
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*/
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public static function cache_path() {
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// get latest time stamp
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$cache_time = wp_optimize_minify_config()->get('last-cache-update');
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$cache_dir_url = WPO_CACHE_MIN_FILES_URL . "/$cache_time/assets";
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$tmp_dir = WPO_CACHE_MIN_FILES_DIR . "/tmp";
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$header_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time/header";
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$cache_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time/assets";
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// Create directories
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$dirs = array($cache_dir, $tmp_dir, $header_dir);
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foreach ($dirs as $target) {
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$enabled = wp_optimize_minify_config()->get('enabled');
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if (false === $enabled) break;
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if (!is_dir($target) && !wp_mkdir_p($target)) {
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error_log('WP_Optimize_Minify_Cache_Functions::cache_path(): The folder "'.$target.'" could not be created.');
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}
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}
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return array(
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'tmpdir' => $tmp_dir,
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'cachedir' => $cache_dir,
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'cachedirurl' => $cache_dir_url,
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'headerdir' => $header_dir
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);
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}
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/**
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* Increment file names
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*/
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public static function cache_increment() {
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$stamp = time();
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wp_optimize_minify_config()->update(array(
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'last-cache-update' => $stamp
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));
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return $stamp;
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}
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/**
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* Reset the cache (Increment + purge temp files)
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*/
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public static function reset() {
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self::cache_increment();
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self::purge_temp_files();
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}
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/**
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* Will delete temporary intermediate stuff but leave final css/js alone for compatibility
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*
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* @return Array
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*/
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public static function purge_temp_files() {
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// get cache directories and urls
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$cache_path = self::cache_path();
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$tmp_dir = $cache_path['tmpdir'];
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$header_dir = $cache_path['headerdir'];
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// delete temporary directories only
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if (is_dir($tmp_dir)) {
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wpo_delete_files($tmp_dir, true);
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}
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if (is_dir($header_dir)) {
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wpo_delete_files($header_dir, true);
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}
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/**
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* Action triggered after purging temporary files
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*/
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do_action('wpo_min_after_purge_temp_files');
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return array(
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'tmpdir' => $tmp_dir,
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'headerdir' => $header_dir,
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);
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}
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/**
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* Purge supported hosting and plugins
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*
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* @return string
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*/
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public static function purge_others() {
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/**
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* Action triggered before purging other plugins cache
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*/
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do_action('wpo_min_before_purge_others');
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// WordPress default cache
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if (function_exists('wp_cache_flush')) {
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wp_cache_flush();
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}
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// Purge WP-Optimize
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WP_Optimize()->get_page_cache()->purge();
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// When plugins have a simple method, add them to the array ('Plugin Name' => 'method_name')
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$others = array(
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'WP Super Cache' => 'wp_cache_clear_cache',
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'W3 Total Cache' => 'w3tc_pgcache_flush',
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'WP Fastest Cache' => 'wpfc_clear_all_cache',
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'WP Rocket' => 'rocket_clean_domain',
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'Cachify' => 'cachify_flush_cache',
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'Comet Cache' => array('comet_cache', 'clear'),
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'SG Optimizer' => 'sg_cachepress_purge_cache',
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'Pantheon' => 'pantheon_wp_clear_edge_all',
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'Zen Cache' => array('zencache', 'clear'),
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'Breeze' => array('Breeze_PurgeCache', 'breeze_cache_flush'),
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'Swift Performance' => array('Swift_Performance_Cache', 'clear_all_cache'),
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);
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foreach ($others as $plugin => $method) {
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if (is_callable($method)) {
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call_user_func($method);
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return sprintf(__('All caches from %s have also been purged.', 'wp-optimize'), '<strong>'.$plugin.'</strong>');
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}
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}
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// Purge LiteSpeed Cache
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if (is_callable(array('LiteSpeed_Cache_Tags', 'add_purge_tag'))) {
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LiteSpeed_Cache_Tags::add_purge_tag('*');
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return sprintf(__('All caches from %s have also been purged.', 'wp-optimize'), '<strong>LiteSpeed Cache</strong>');
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}
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// Purge Hyper Cache
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if (class_exists('HyperCache')) {
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do_action('autoptimize_action_cachepurged');
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return sprintf(__('All caches from %s have also been purged.', 'wp-optimize'), '<strong>Hyper Cache</strong>');
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}
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// Purge Godaddy Managed WordPress Hosting (Varnish + APC)
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if (class_exists('WPaaS\Plugin')) {
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self::godaddy_request('BAN');
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return sprintf(__('A cache purge request has been sent to %s. Please note that it may not work every time, due to cache rate limiting by your host.', 'wp-optimize'), '<strong>Go Daddy Varnish</strong>');
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}
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// purge cache enabler
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if (has_action('ce_clear_cache')) {
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do_action('ce_clear_cache');
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return sprintf(__('All caches from %s have also been purged.', 'wp-optimize'), '<strong>Cache Enabler</strong>');
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}
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// Purge WP Engine
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if (class_exists("WpeCommon")) {
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if (method_exists('WpeCommon', 'purge_memcached')) {
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WpeCommon::purge_memcached();
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}
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if (method_exists('WpeCommon', 'clear_maxcdn_cache')) {
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WpeCommon::clear_maxcdn_cache();
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}
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if (method_exists('WpeCommon', 'purge_varnish_cache')) {
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WpeCommon::purge_varnish_cache();
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}
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if (method_exists('WpeCommon', 'purge_memcached') || method_exists('WpeCommon', 'clear_maxcdn_cache') || method_exists('WpeCommon', 'purge_varnish_cache')) {
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return sprintf(__('A cache purge request has been sent to %s. Please note that it may not work every time, due to cache rate limiting by your host.', 'wp-optimize'), '<strong>WP Engine</strong>');
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}
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}
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// Purge Kinsta
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global $kinsta_cache;
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if (isset($kinsta_cache) && class_exists('\\Kinsta\\CDN_Enabler')) {
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if (!empty($kinsta_cache->kinsta_cache_purge) && is_callable(array($kinsta_cache->kinsta_cache_purge, 'purge_complete_caches'))) {
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$kinsta_cache->kinsta_cache_purge->purge_complete_caches();
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return sprintf(__('A cache purge request was also sent to %s', 'wp-optimize'), '<strong>Kinsta</strong>');
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}
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}
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// Purge Pagely
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if (class_exists('PagelyCachePurge')) {
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$purge_pagely = new PagelyCachePurge();
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if (is_callable(array($purge_pagely, 'purgeAll'))) {
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$purge_pagely->purgeAll();
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return sprintf(__('A cache purge request was also sent to %s', 'wp-optimize'), '<strong>Pagely</strong>');
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}
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}
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// Purge Pressidum
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if (defined('WP_NINUKIS_WP_NAME') && class_exists('Ninukis_Plugin') && is_callable(array('Ninukis_Plugin', 'get_instance'))) {
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$purge_pressidum = Ninukis_Plugin::get_instance();
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if (is_callable(array($purge_pressidum, 'purgeAllCaches'))) {
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$purge_pressidum->purgeAllCaches();
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return sprintf(__('A cache purge request was also sent to %s', 'wp-optimize'), '<strong>Pressidium</strong>');
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}
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}
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// Purge Savvii
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if (defined('\Savvii\CacheFlusherPlugin::NAME_DOMAINFLUSH_NOW')) {
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$purge_savvii = new \Savvii\CacheFlusherPlugin(); // phpcs:ignore PHPCompatibility.LanguageConstructs.NewLanguageConstructs.t_ns_separatorFound
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if (is_callable(array($purge_savvii, 'domainflush'))) {
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$purge_savvii->domainflush();
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return sprintf(__('A cache purge request was also sent to %s', 'wp-optimize'), '<strong>Savvii</strong>');
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}
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}
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/**
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* Action triggered when purging other plugins cache, and nothing was triggered
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*/
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do_action('wpo_min_after_purge_others');
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}
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/**
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* Purge all public files on uninstallation
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* This will break cached pages that ref minified JS/CSS
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*
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* @return Boolean
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*/
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public static function purge() {
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$log = '';
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if (is_dir(WPO_CACHE_MIN_FILES_DIR)) {
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if (wpo_delete_files(WPO_CACHE_MIN_FILES_DIR, true)) {
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$log = "[Minify] files and folders are deleted recursively";
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} else {
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$log = "[Minify] recursive files and folders deletion unsuccessful";
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}
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if (wp_optimize_minify_config()->get('debug')) {
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error_log($log);
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}
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}
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return true;
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}
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/**
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* Purge cache files older than 30 days
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*
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* @return array
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*/
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public static function purge_old() {
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if (!class_exists('WP_Optimize_Minify_Config')) {
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include_once WPO_PLUGIN_MAIN_PATH . '/minify/class-wp-optimize-minify-config.php';
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}
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$cache_time = wp_optimize_minify_config()->get('last-cache-update');
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$cache_lifespan = wp_optimize_minify_config()->get('cache_lifespan');
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/**
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* Minify cache lifespan
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*
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* @param int The minify cache expiry timestamp
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*/
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$expires = apply_filters('wp_optimize_minify_cache_expiry_time', time() - 86400 * $cache_lifespan);
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$log = array();
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// get all directories that are a direct child of current directory
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if (is_dir(WPO_CACHE_MIN_FILES_DIR) && is_writable(dirname(WPO_CACHE_MIN_FILES_DIR))) {
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if ($handle = opendir(WPO_CACHE_MIN_FILES_DIR)) {
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while (false !== ($d = readdir($handle))) {
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if (strcmp($d, '.')==0 || strcmp($d, '..')==0) {
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continue;
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}
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$log[] = "cache expiration time - $expires";
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$log[] = "checking if cache has expired - $d";
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if ($d != $cache_time && (is_numeric($d) && $d <= $expires)) {
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$dir = WPO_CACHE_MIN_FILES_DIR.'/'.$d;
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if (is_dir($dir)) {
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$log[] = "deleting cache in $dir";
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if (wpo_delete_files($dir, true)) {
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$log[] = "files and folders are deleted recursively - $dir";
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} else {
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$log[] = "recursive files and folders deletion unsuccessful - $dir";
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}
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if (file_exists($dir)) {
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if (rmdir($dir)) {
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$log[] = "folder deleted successfully - $dir";
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} else {
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$log[] = "folder deletion unsuccessful - $dir";
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}
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}
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}
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}
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}
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closedir($handle);
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}
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}
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if (wp_optimize_minify_config()->get('debug')) {
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foreach ($log as $message) {
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error_log($message);
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}
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}
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return $log;
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}
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/**
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* Get transients from the disk
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*
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* @return String|Boolean
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*/
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public static function get_transient($key) {
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$cache_path = self::cache_path();
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$tmp_dir = $cache_path['tmpdir'];
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$f = $tmp_dir.'/'.$key.'.transient';
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clearstatcache();
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if (file_exists($f)) {
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return file_get_contents($f);
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} else {
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return false;
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}
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}
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/**
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* Set cache on disk
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*
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* @param String $key
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* @param Mixed $code
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*
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* @return Boolean
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*/
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public static function set_transient($key, $code) {
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if (is_null($code) || empty($code)) {
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||
|
|
return false;
|
||
|
|
}
|
||
|
|
$cache_path = self::cache_path();
|
||
|
|
$tmp_dir = $cache_path['tmpdir'];
|
||
|
|
$f = $tmp_dir.'/'.$key.'.transient';
|
||
|
|
file_put_contents($f, $code);
|
||
|
|
self::fix_permission_bits($f);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the cache size and count
|
||
|
|
*
|
||
|
|
* @param string $folder
|
||
|
|
* @return String
|
||
|
|
*/
|
||
|
|
public static function get_cachestats($folder) {
|
||
|
|
clearstatcache();
|
||
|
|
if (is_dir($folder)) {
|
||
|
|
$dir = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($folder, FilesystemIterator::SKIP_DOTS));
|
||
|
|
$size = 0;
|
||
|
|
$file_count = 0;
|
||
|
|
foreach ($dir as $file) {
|
||
|
|
$size += $file->getSize();
|
||
|
|
$file_count++;
|
||
|
|
}
|
||
|
|
return WP_Optimize()->format_size($size) . ' ('.$file_count.' files)';
|
||
|
|
} else {
|
||
|
|
return sprintf(__('Error: %s is not a directory!', 'wp-optimize'), $folder);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Purge GoDaddy Managed WordPress Hosting (Varnish)
|
||
|
|
*
|
||
|
|
* Source: https://github.com/wp-media/wp-rocket/blob/master/inc/3rd-party/hosting/godaddy.php
|
||
|
|
*
|
||
|
|
* @param String $method
|
||
|
|
* @param String|Null $url
|
||
|
|
*/
|
||
|
|
public static function godaddy_request($method, $url = null) {
|
||
|
|
$url = empty($url) ? home_url() : $url;
|
||
|
|
$host = parse_url($url, PHP_URL_HOST);
|
||
|
|
$url = set_url_scheme(str_replace($host, WPaas\Plugin::vip(), $url), 'http'); // phpcs:ignore PHPCompatibility.LanguageConstructs.NewLanguageConstructs.t_ns_separatorFound
|
||
|
|
wp_cache_flush();
|
||
|
|
update_option('gd_system_last_cache_flush', time()); // purge apc
|
||
|
|
wp_remote_request(esc_url_raw($url), array('method' => $method, 'blocking' => false, 'headers' => array('Host' => $host)));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* List all cache files
|
||
|
|
*
|
||
|
|
* @param integer $stamp A timestamp
|
||
|
|
* @param boolean $use_cache If true, do not use transient value
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public static function get_cached_files($stamp = 0, $use_cache = true) {
|
||
|
|
if ($use_cache && $files = get_transient('wpo_minify_get_cached_files')) {
|
||
|
|
return $files;
|
||
|
|
}
|
||
|
|
$cache_path = self::cache_path();
|
||
|
|
$cache_dir = $cache_path['cachedir'];
|
||
|
|
$size = self::get_cachestats($cache_dir);
|
||
|
|
$total_size = self::get_cachestats(WPO_CACHE_MIN_FILES_DIR);
|
||
|
|
$o = wp_optimize_minify_config()->get();
|
||
|
|
$cache_time = (0 == $o['last-cache-update']) ? __('Never.', 'wp-optimize') : self::format_date_time($o['last-cache-update']);
|
||
|
|
$return = array(
|
||
|
|
'js' => array(),
|
||
|
|
'css' => array(),
|
||
|
|
'stamp' => $stamp,
|
||
|
|
'cachesize' => esc_html($size),
|
||
|
|
'total_cache_size' => esc_html($total_size),
|
||
|
|
'cacheTime' => $cache_time,
|
||
|
|
'cachePath' => $cache_path['cachedir']
|
||
|
|
);
|
||
|
|
|
||
|
|
// Inspect directory with opendir, since glob might not be available in some systems
|
||
|
|
clearstatcache();
|
||
|
|
if (is_dir($cache_dir.'/') && $handle = opendir($cache_dir.'/')) {
|
||
|
|
while (false !== ($file = readdir($handle))) {
|
||
|
|
$file = $cache_dir.'/'.$file;
|
||
|
|
$ext = pathinfo($file, PATHINFO_EXTENSION);
|
||
|
|
if (in_array($ext, array('js', 'css'))) {
|
||
|
|
$log = false;
|
||
|
|
if (file_exists($file.'.json')) {
|
||
|
|
$log = json_decode(file_get_contents($file.'.json'));
|
||
|
|
}
|
||
|
|
$min_css = substr($file, 0, -4).'.min.css';
|
||
|
|
$minjs = substr($file, 0, -3).'.min.js';
|
||
|
|
$file_name = basename($file);
|
||
|
|
$file_url = trailingslashit($cache_path['cachedirurl']).$file_name;
|
||
|
|
if ('css' == $ext && file_exists($min_css)) {
|
||
|
|
$file_name = basename($min_css);
|
||
|
|
}
|
||
|
|
if ('js' == $ext && file_exists($minjs)) {
|
||
|
|
$file_name = basename($minjs);
|
||
|
|
}
|
||
|
|
$file_size = WP_Optimize()->format_size(filesize($file));
|
||
|
|
$uid = hash('adler32', $file_name);
|
||
|
|
array_push($return[$ext], array('uid' => $uid, 'filename' => $file_name, 'file_url' => $file_url, 'log' => $log, 'fsize' => $file_size));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
closedir($handle);
|
||
|
|
}
|
||
|
|
set_transient('wpo_minify_get_cached_files', $return, DAY_IN_SECONDS);
|
||
|
|
return $return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Format a timestamp using WP's date_format and time_format
|
||
|
|
*
|
||
|
|
* @param integer $timestamp - The timestamp
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function format_date_time($timestamp) {
|
||
|
|
return WP_Optimize()->format_date_time($timestamp);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Format the log created when merging assets. Called via array_map
|
||
|
|
*
|
||
|
|
* @param array $files The files array, containing the 'log' object or array.
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public static function format_file_logs($files) {
|
||
|
|
$files['log'] = WP_Optimize()->include_template(
|
||
|
|
'minify/cached-file-log.php',
|
||
|
|
true,
|
||
|
|
array(
|
||
|
|
'log' => $files['log']
|
||
|
|
)
|
||
|
|
);
|
||
|
|
return $files;
|
||
|
|
}
|
||
|
|
}
|