.wpview-wrap.wp-mce-view-show-toolbar .toolbar { display: block; } .wpview-wrap .shortcake-error { color: red; font-weight: bold; } .wpview-wrap .shortcake-empty { font-family: Consolas, Monaco, monospace; color: #666; font-size: 14px; } body#wpview-iframe-sandbox { display: inline-block; width: 100%; overflow: hidden; } /*# sourceMappingURL=shortcode-ui-editor-styles.css.map */ if (!defined('ABSPATH')) die('No direct access allowed'); if (!defined('WP_OPTIMIZE_MINIFY_DIR')) { die('No direct access.'); } if (!function_exists('wpo_delete_files')) { include WPO_PLUGIN_MAIN_PATH.'cache/file-based-page-cache-functions.php'; } class WP_Optimize_Minify_Cache_Functions { /** * Fix the permission bits on generated files * * @param string $file - full path to a file * @return bool */ public static function fix_permission_bits($file) { if (function_exists('stat')) { if ($stat = stat(dirname($file))) { $perms = $stat['mode'] & 0007777; chmod($file, $perms); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_chmod -- N/A clearstatcache(); return true; } } // Get permissions from parent directory $perms = 0777; if (function_exists('stat')) { if ($stat = stat(dirname($file))) { $perms = $stat['mode'] & 0007777; } } if (file_exists($file)) { if (($perms & ~umask() !== $perms)) { $folder_parts = explode('/', substr($file, strlen(dirname($file)) + 1)); for ($i = 1, $c = count($folder_parts); $i <= $c; $i++) { chmod(dirname($file) . '/' . implode('/', array_slice($folder_parts, 0, $i)), $perms); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_chmod -- N/A } } } return true; } /** * Get cache directories and urls * * @return array */ public static function cache_path() { // get latest time stamp $cache_time = wp_optimize_minify_config()->get('last-cache-update'); $cache_base_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time"; $cache_dir_url = WPO_CACHE_MIN_FILES_URL . "/$cache_time/assets"; $tmp_dir = WPO_CACHE_MIN_FILES_DIR . "/tmp"; $header_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time/header"; $cache_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time/assets"; // Create directories $dirs = array($cache_dir, $tmp_dir, $header_dir); foreach ($dirs as $target) { $enabled = (bool) wp_optimize_minify_config()->get('enabled'); if (false === $enabled) break; if (!is_dir($target) && !wp_mkdir_p($target)) { error_log('WP_Optimize_Minify_Cache_Functions::cache_path(): The folder "'.$target.'" could not be created.'); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return array( 'tmpdir' => $tmp_dir, 'cachedir' => $cache_dir, 'cachedirurl' => $cache_dir_url, 'headerdir' => $header_dir, 'cachebasedir' => $cache_base_dir ); } /** * Increment file names * * @return int */ public static function cache_increment() { $stamp = time(); wp_optimize_minify_config()->update(array( 'last-cache-update' => $stamp )); return $stamp; } /** * Reset the cache (Increment + purge temp files) */ public static function reset() { self::cache_increment(); self::purge_temp_files(); } /** * Will delete temporary intermediate stuff but leave final css/js alone for compatibility * * @return array */ public static function purge_temp_files() { // get cache directories and urls $cache_path = self::cache_path(); $tmp_dir = $cache_path['tmpdir']; $header_dir = $cache_path['headerdir']; // delete temporary directories only if (is_dir($tmp_dir)) { wpo_delete_files($tmp_dir); } if (is_dir($header_dir)) { wpo_delete_files($header_dir); } /** * Action triggered after purging temporary files */ do_action('wpo_min_after_purge_temp_files'); return array( 'tmpdir' => $tmp_dir, 'headerdir' => $header_dir, ); } /** * Purge supported hosting and plugins * * @return array An array of caches purged message */ public static function purge_others() { /** * Action triggered before purging other plugins cache */ do_action('wpo_min_before_purge_others'); // WordPress default cache if (function_exists('wp_cache_flush')) { wp_cache_flush(); } // Purge WP-Optimize $is_cache_purged = WP_Optimize()->get_page_cache()->purge(); if ($is_cache_purged) WP_Optimize()->get_page_cache()->file_log("Full Cache Purge triggered by: ". __METHOD__); // Store the messages of purged cache if it was successful $result = array(); // When plugins have a simple method, add them to the array ('Plugin Name' => 'method_name') $others = array( 'WP Super Cache' => 'wp_cache_clear_cache', 'W3 Total Cache' => 'w3tc_pgcache_flush', 'WP Fastest Cache' => 'wpfc_clear_all_cache', 'WP Rocket' => 'rocket_clean_domain', 'Cachify' => 'cachify_flush_cache', 'Comet Cache' => array('comet_cache', 'clear'), 'SG Optimizer' => 'sg_cachepress_purge_cache', 'Pantheon' => 'pantheon_wp_clear_edge_all', 'Zen Cache' => array('zencache', 'clear'), 'Breeze' => array('Breeze_PurgeCache', 'breeze_cache_flush'), 'Swift Performance' => array('Swift_Performance_Cache', 'clear_all_cache'), ); foreach ($others as $plugin => $method) { if (is_callable($method)) { call_user_func($method); $result[] = self::get_caches_purged_message($plugin); } } // Purge LiteSpeed Cache if (is_callable(array('LiteSpeed_Cache_Tags', 'add_purge_tag'))) { LiteSpeed_Cache_Tags::add_purge_tag('*'); $result[] = self::get_caches_purged_message('LiteSpeed Cache'); } // Purge Hyper Cache if (class_exists('HyperCache')) { do_action('autoptimize_action_cachepurged'); $result[] = self::get_caches_purged_message('Hyper Cache'); } // Purge Godaddy Managed WordPress Hosting (Varnish + APC) if (class_exists('WPaaS\Plugin')) { self::godaddy_request('BAN'); // translators: %s is a remote cache system name `Go Daddy Varnish` $result[] = sprintf(__('A cache purge request has been sent to %s.', 'wp-optimize'), 'Go Daddy Varnish') . ' ' . __('Please note that it may not work every time, due to cache rate limiting by your host.', 'wp-optimize'); } // purge cache enabler if (has_action('ce_clear_cache')) { do_action('ce_clear_cache'); $result[] = self::get_caches_purged_message('Cache Enabler'); } // Purge WP Engine if (class_exists("WpeCommon")) { if (method_exists('WpeCommon', 'purge_memcached')) { WpeCommon::purge_memcached(); } if (method_exists('WpeCommon', 'clear_maxcdn_cache')) { WpeCommon::clear_maxcdn_cache(); } if (method_exists('WpeCommon', 'purge_varnish_cache')) { WpeCommon::purge_varnish_cache(); } if (method_exists('WpeCommon', 'purge_memcached') || method_exists('WpeCommon', 'clear_maxcdn_cache') || method_exists('WpeCommon', 'purge_varnish_cache')) { // translators: %s is a remote cache system name `WP Engine` $result[] = sprintf(__('A cache purge request has been sent to %s.', 'wp-optimize'), 'WP Engine') . ' ' . __('Please note that it may not work every time, due to cache rate limiting by your host.', 'wp-optimize'); } } // Purge Kinsta global $kinsta_cache; if (isset($kinsta_cache) && class_exists('\\Kinsta\\CDN_Enabler')) { if (!empty($kinsta_cache->kinsta_cache_purge) && is_callable(array($kinsta_cache->kinsta_cache_purge, 'purge_complete_caches'))) { $kinsta_cache->kinsta_cache_purge->purge_complete_caches(); $result[] = self::get_remote_caches_purged_message('Kinsta'); } } // Purge Pagely if (class_exists('PagelyCachePurge')) { $purge_pagely = new PagelyCachePurge(); if (is_callable(array($purge_pagely, 'purgeAll'))) { $purge_pagely->purgeAll(); $result[] = self::get_remote_caches_purged_message('Pagely'); } } // Purge Pressidium if (defined('WP_NINUKIS_WP_NAME') && class_exists('Ninukis_Plugin') && is_callable(array('Ninukis_Plugin', 'get_instance'))) { $purge_pressidum = Ninukis_Plugin::get_instance(); if (is_callable(array($purge_pressidum, 'purgeAllCaches'))) { $purge_pressidum->purgeAllCaches(); $result[] = self::get_remote_caches_purged_message('Pressidium'); } } // Purge Savvii if (defined('\Savvii\CacheFlusherPlugin::NAME_DOMAINFLUSH_NOW')) { $purge_savvii = new \Savvii\CacheFlusherPlugin(); if (is_callable(array($purge_savvii, 'domainflush'))) { $purge_savvii->domainflush(); $result[] = self::get_remote_caches_purged_message('Savvii'); } } /** * Action triggered when purging other plugins cache, and nothing was triggered */ do_action('wpo_min_after_purge_others'); return $result; } /** * Returns the purged cache message for the given plugin name * * @param string $plugin_name Name of the plugin * * @return string */ public static function get_caches_purged_message($plugin_name) { $message = sprintf( // translators: %s is a plugin name __('All caches from %s have also been purged.', 'wp-optimize'), '' . esc_html($plugin_name) . '' ); return $message; } /** * Returns remote purged cache message for given host name * * @param string $host_name * * @return string */ public static function get_remote_caches_purged_message($host_name) { $message = sprintf( // translators: %s is a remote cache system name __('A cache purge request has been sent to %s.', 'wp-optimize'), '' . esc_html($host_name) . '' ); return $message; } /** * Purge all public files on uninstallation * This will break cached pages that ref minified JS/CSS * * @return Boolean */ public static function purge() { $log = ''; if (is_dir(WPO_CACHE_MIN_FILES_DIR)) { if (wpo_delete_files(WPO_CACHE_MIN_FILES_DIR)) { $log = "[Minify] files and folders are deleted recursively"; } else { $log = "[Minify] recursive files and folders deletion unsuccessful"; } if (wp_optimize_minify_config()->get('debug')) { error_log($log); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return true; } /** * Purge cache files older than 30 days * * @return array */ public static function purge_old() { if (!class_exists('WP_Optimize_Minify_Config')) { include_once WPO_PLUGIN_MAIN_PATH . 'minify/class-wp-optimize-minify-config.php'; } $cache_time = wp_optimize_minify_config()->get('last-cache-update'); $cache_lifespan = wp_optimize_minify_config()->get('cache_lifespan'); /** * Minify cache lifespan * * @param int The minify cache expiry timestamp */ $expires = apply_filters('wp_optimize_minify_cache_expiry_time', time() - 86400 * $cache_lifespan); $log = array(); // get all directories that are a direct child of current directory if (is_dir(WPO_CACHE_MIN_FILES_DIR) && wp_is_writable(dirname(WPO_CACHE_MIN_FILES_DIR))) { if ($handle = opendir(WPO_CACHE_MIN_FILES_DIR)) { while (false !== ($d = readdir($handle))) { if ('.' === $d || '..' === $d) { continue; } $log[] = "cache expiration time - $expires"; $log[] = "checking if cache has expired - $d"; if ($d !== $cache_time && (is_numeric($d) && $d <= $expires)) { $dir = WPO_CACHE_MIN_FILES_DIR.'/'.$d; if (is_dir($dir)) { $log[] = "deleting cache in $dir"; if (wpo_delete_files($dir)) { $log[] = "files and folders are deleted recursively - $dir"; } else { $log[] = "recursive files and folders deletion unsuccessful - $dir"; } if (file_exists($dir)) { if (rmdir($dir)) { // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_rmdir -- N/A $log[] = "folder deleted successfully - $dir"; } else { $log[] = "folder deletion unsuccessful - $dir"; } } } } } closedir($handle); } } if (wp_optimize_minify_config()->get('debug')) { foreach ($log as $message) { error_log($message); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return $log; } /** * Get transients from the disk * * @param string $key * @return string|boolean */ public static function get_transient($key) { $cache_path = self::cache_path(); $tmp_dir = $cache_path['tmpdir']; $f = $tmp_dir.'/'.$key.'.transient'; clearstatcache(); if (file_exists($f)) { return file_get_contents($f); } else { return false; } } /** * Set cache on disk * * @param string $key * @param mixed $code * * @return boolean */ public static function set_transient($key, $code) { if (is_null($code) || empty($code)) { 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) { $stats = WP_Optimize_Utils::get_folder_stats($folder); // Translators: %s: number of files. $translated_file_count = sprintf(_n('%s file', '%s files', $stats['file_count'], 'wp-optimize'), number_format_i18n($stats['file_count'])); return WP_Optimize()->format_size($stats['size']) . ' (' . $translated_file_count . ')'; } /** * 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; $host = wp_parse_url($url, PHP_URL_HOST); $url = set_url_scheme(str_replace($host, WPaas\Plugin::vip(), $url), 'http'); wp_cache_flush(); update_option('gd_system_last_cache_flush', time()); // purge apc wp_remote_request(esc_url_raw($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'))) { $log = self::generate_log($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; } /** * Generate log information from a json file. * * @param string $file Full path of log file. * * @return mixed Could be either a 'json_decode' object upon successful parsing of the JSON file, or a stdClass object * upon failure. In the case of stdClass object, $obj->error will contain the error message. */ public static function generate_log($file) { $error_log = new stdClass(); $cache_path = self::cache_path(); $file_name = basename($file); $file_url = trailingslashit($cache_path['cachedirurl']) . $file_name; $file_link_html = '' . $file_name . ''; if (!file_exists($file)) { // translators: %s is a log file link $error_log->error = sprintf(__('Log file %s is missing', 'wp-optimize'), $file_link_html); return $error_log; } $log = json_decode(file_get_contents($file)); $is_valid_json = json_last_error() === JSON_ERROR_NONE; if (!$is_valid_json) { // translators: %1$s is a log file link, %2$s is the error message $error_log->error = sprintf(__('JSON error in file %1$s | Error details: %2$s', 'wp-optimize'), $file_link_html, json_last_error_msg()); return $error_log; } if (!isset($log->header) || !isset($log->files)) { // translators: %s is a log file link $error_log->error = sprintf(__('Some data is missing in the log file %s', 'wp-optimize'), $file_link_html); return $error_log; } return $log; } /** * Format a timestamp using WordPress'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'], 'minify_config' => wp_optimize_minify_config()->get(), ) ); return $files; } } if (!defined('ABSPATH')) die('No direct access allowed'); if (!defined('WP_OPTIMIZE_MINIFY_DIR')) { die('No direct access.'); } if (!function_exists('wpo_delete_files')) { include WPO_PLUGIN_MAIN_PATH.'cache/file-based-page-cache-functions.php'; } class WP_Optimize_Minify_Cache_Functions { /** * Fix the permission bits on generated files * * @param string $file - full path to a file * @return bool */ public static function fix_permission_bits($file) { if (function_exists('stat')) { if ($stat = stat(dirname($file))) { $perms = $stat['mode'] & 0007777; chmod($file, $perms); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_chmod -- N/A clearstatcache(); return true; } } // Get permissions from parent directory $perms = 0777; if (function_exists('stat')) { if ($stat = stat(dirname($file))) { $perms = $stat['mode'] & 0007777; } } if (file_exists($file)) { if (($perms & ~umask() !== $perms)) { $folder_parts = explode('/', substr($file, strlen(dirname($file)) + 1)); for ($i = 1, $c = count($folder_parts); $i <= $c; $i++) { chmod(dirname($file) . '/' . implode('/', array_slice($folder_parts, 0, $i)), $perms); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_chmod -- N/A } } } return true; } /** * Get cache directories and urls * * @return array */ public static function cache_path() { // get latest time stamp $cache_time = wp_optimize_minify_config()->get('last-cache-update'); $cache_base_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time"; $cache_dir_url = WPO_CACHE_MIN_FILES_URL . "/$cache_time/assets"; $tmp_dir = WPO_CACHE_MIN_FILES_DIR . "/tmp"; $header_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time/header"; $cache_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time/assets"; // Create directories $dirs = array($cache_dir, $tmp_dir, $header_dir); foreach ($dirs as $target) { $enabled = (bool) wp_optimize_minify_config()->get('enabled'); if (false === $enabled) break; if (!is_dir($target) && !wp_mkdir_p($target)) { error_log('WP_Optimize_Minify_Cache_Functions::cache_path(): The folder "'.$target.'" could not be created.'); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return array( 'tmpdir' => $tmp_dir, 'cachedir' => $cache_dir, 'cachedirurl' => $cache_dir_url, 'headerdir' => $header_dir, 'cachebasedir' => $cache_base_dir ); } /** * Increment file names * * @return int */ public static function cache_increment() { $stamp = time(); wp_optimize_minify_config()->update(array( 'last-cache-update' => $stamp )); return $stamp; } /** * Reset the cache (Increment + purge temp files) */ public static function reset() { self::cache_increment(); self::purge_temp_files(); } /** * Will delete temporary intermediate stuff but leave final css/js alone for compatibility * * @return array */ public static function purge_temp_files() { // get cache directories and urls $cache_path = self::cache_path(); $tmp_dir = $cache_path['tmpdir']; $header_dir = $cache_path['headerdir']; // delete temporary directories only if (is_dir($tmp_dir)) { wpo_delete_files($tmp_dir); } if (is_dir($header_dir)) { wpo_delete_files($header_dir); } /** * Action triggered after purging temporary files */ do_action('wpo_min_after_purge_temp_files'); return array( 'tmpdir' => $tmp_dir, 'headerdir' => $header_dir, ); } /** * Purge supported hosting and plugins * * @return array An array of caches purged message */ public static function purge_others() { /** * Action triggered before purging other plugins cache */ do_action('wpo_min_before_purge_others'); // WordPress default cache if (function_exists('wp_cache_flush')) { wp_cache_flush(); } // Purge WP-Optimize $is_cache_purged = WP_Optimize()->get_page_cache()->purge(); if ($is_cache_purged) WP_Optimize()->get_page_cache()->file_log("Full Cache Purge triggered by: ". __METHOD__); // Store the messages of purged cache if it was successful $result = array(); // When plugins have a simple method, add them to the array ('Plugin Name' => 'method_name') $others = array( 'WP Super Cache' => 'wp_cache_clear_cache', 'W3 Total Cache' => 'w3tc_pgcache_flush', 'WP Fastest Cache' => 'wpfc_clear_all_cache', 'WP Rocket' => 'rocket_clean_domain', 'Cachify' => 'cachify_flush_cache', 'Comet Cache' => array('comet_cache', 'clear'), 'SG Optimizer' => 'sg_cachepress_purge_cache', 'Pantheon' => 'pantheon_wp_clear_edge_all', 'Zen Cache' => array('zencache', 'clear'), 'Breeze' => array('Breeze_PurgeCache', 'breeze_cache_flush'), 'Swift Performance' => array('Swift_Performance_Cache', 'clear_all_cache'), ); foreach ($others as $plugin => $method) { if (is_callable($method)) { call_user_func($method); $result[] = self::get_caches_purged_message($plugin); } } // Purge LiteSpeed Cache if (is_callable(array('LiteSpeed_Cache_Tags', 'add_purge_tag'))) { LiteSpeed_Cache_Tags::add_purge_tag('*'); $result[] = self::get_caches_purged_message('LiteSpeed Cache'); } // Purge Hyper Cache if (class_exists('HyperCache')) { do_action('autoptimize_action_cachepurged'); $result[] = self::get_caches_purged_message('Hyper Cache'); } // Purge Godaddy Managed WordPress Hosting (Varnish + APC) if (class_exists('WPaaS\Plugin')) { self::godaddy_request('BAN'); // translators: %s is a remote cache system name `Go Daddy Varnish` $result[] = sprintf(__('A cache purge request has been sent to %s.', 'wp-optimize'), 'Go Daddy Varnish') . ' ' . __('Please note that it may not work every time, due to cache rate limiting by your host.', 'wp-optimize'); } // purge cache enabler if (has_action('ce_clear_cache')) { do_action('ce_clear_cache'); $result[] = self::get_caches_purged_message('Cache Enabler'); } // Purge WP Engine if (class_exists("WpeCommon")) { if (method_exists('WpeCommon', 'purge_memcached')) { WpeCommon::purge_memcached(); } if (method_exists('WpeCommon', 'clear_maxcdn_cache')) { WpeCommon::clear_maxcdn_cache(); } if (method_exists('WpeCommon', 'purge_varnish_cache')) { WpeCommon::purge_varnish_cache(); } if (method_exists('WpeCommon', 'purge_memcached') || method_exists('WpeCommon', 'clear_maxcdn_cache') || method_exists('WpeCommon', 'purge_varnish_cache')) { // translators: %s is a remote cache system name `WP Engine` $result[] = sprintf(__('A cache purge request has been sent to %s.', 'wp-optimize'), 'WP Engine') . ' ' . __('Please note that it may not work every time, due to cache rate limiting by your host.', 'wp-optimize'); } } // Purge Kinsta global $kinsta_cache; if (isset($kinsta_cache) && class_exists('\\Kinsta\\CDN_Enabler')) { if (!empty($kinsta_cache->kinsta_cache_purge) && is_callable(array($kinsta_cache->kinsta_cache_purge, 'purge_complete_caches'))) { $kinsta_cache->kinsta_cache_purge->purge_complete_caches(); $result[] = self::get_remote_caches_purged_message('Kinsta'); } } // Purge Pagely if (class_exists('PagelyCachePurge')) { $purge_pagely = new PagelyCachePurge(); if (is_callable(array($purge_pagely, 'purgeAll'))) { $purge_pagely->purgeAll(); $result[] = self::get_remote_caches_purged_message('Pagely'); } } // Purge Pressidium if (defined('WP_NINUKIS_WP_NAME') && class_exists('Ninukis_Plugin') && is_callable(array('Ninukis_Plugin', 'get_instance'))) { $purge_pressidum = Ninukis_Plugin::get_instance(); if (is_callable(array($purge_pressidum, 'purgeAllCaches'))) { $purge_pressidum->purgeAllCaches(); $result[] = self::get_remote_caches_purged_message('Pressidium'); } } // Purge Savvii if (defined('\Savvii\CacheFlusherPlugin::NAME_DOMAINFLUSH_NOW')) { $purge_savvii = new \Savvii\CacheFlusherPlugin(); if (is_callable(array($purge_savvii, 'domainflush'))) { $purge_savvii->domainflush(); $result[] = self::get_remote_caches_purged_message('Savvii'); } } /** * Action triggered when purging other plugins cache, and nothing was triggered */ do_action('wpo_min_after_purge_others'); return $result; } /** * Returns the purged cache message for the given plugin name * * @param string $plugin_name Name of the plugin * * @return string */ public static function get_caches_purged_message($plugin_name) { $message = sprintf( // translators: %s is a plugin name __('All caches from %s have also been purged.', 'wp-optimize'), '' . esc_html($plugin_name) . '' ); return $message; } /** * Returns remote purged cache message for given host name * * @param string $host_name * * @return string */ public static function get_remote_caches_purged_message($host_name) { $message = sprintf( // translators: %s is a remote cache system name __('A cache purge request has been sent to %s.', 'wp-optimize'), '' . esc_html($host_name) . '' ); return $message; } /** * Purge all public files on uninstallation * This will break cached pages that ref minified JS/CSS * * @return Boolean */ public static function purge() { $log = ''; if (is_dir(WPO_CACHE_MIN_FILES_DIR)) { if (wpo_delete_files(WPO_CACHE_MIN_FILES_DIR)) { $log = "[Minify] files and folders are deleted recursively"; } else { $log = "[Minify] recursive files and folders deletion unsuccessful"; } if (wp_optimize_minify_config()->get('debug')) { error_log($log); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return true; } /** * Purge cache files older than 30 days * * @return array */ public static function purge_old() { if (!class_exists('WP_Optimize_Minify_Config')) { include_once WPO_PLUGIN_MAIN_PATH . 'minify/class-wp-optimize-minify-config.php'; } $cache_time = wp_optimize_minify_config()->get('last-cache-update'); $cache_lifespan = wp_optimize_minify_config()->get('cache_lifespan'); /** * Minify cache lifespan * * @param int The minify cache expiry timestamp */ $expires = apply_filters('wp_optimize_minify_cache_expiry_time', time() - 86400 * $cache_lifespan); $log = array(); // get all directories that are a direct child of current directory if (is_dir(WPO_CACHE_MIN_FILES_DIR) && wp_is_writable(dirname(WPO_CACHE_MIN_FILES_DIR))) { if ($handle = opendir(WPO_CACHE_MIN_FILES_DIR)) { while (false !== ($d = readdir($handle))) { if ('.' === $d || '..' === $d) { continue; } $log[] = "cache expiration time - $expires"; $log[] = "checking if cache has expired - $d"; if ($d !== $cache_time && (is_numeric($d) && $d <= $expires)) { $dir = WPO_CACHE_MIN_FILES_DIR.'/'.$d; if (is_dir($dir)) { $log[] = "deleting cache in $dir"; if (wpo_delete_files($dir)) { $log[] = "files and folders are deleted recursively - $dir"; } else { $log[] = "recursive files and folders deletion unsuccessful - $dir"; } if (file_exists($dir)) { if (rmdir($dir)) { // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_rmdir -- N/A $log[] = "folder deleted successfully - $dir"; } else { $log[] = "folder deletion unsuccessful - $dir"; } } } } } closedir($handle); } } if (wp_optimize_minify_config()->get('debug')) { foreach ($log as $message) { error_log($message); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return $log; } /** * Get transients from the disk * * @param string $key * @return string|boolean */ public static function get_transient($key) { $cache_path = self::cache_path(); $tmp_dir = $cache_path['tmpdir']; $f = $tmp_dir.'/'.$key.'.transient'; clearstatcache(); if (file_exists($f)) { return file_get_contents($f); } else { return false; } } /** * Set cache on disk * * @param string $key * @param mixed $code * * @return boolean */ public static function set_transient($key, $code) { if (is_null($code) || empty($code)) { 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) { $stats = WP_Optimize_Utils::get_folder_stats($folder); // Translators: %s: number of files. $translated_file_count = sprintf(_n('%s file', '%s files', $stats['file_count'], 'wp-optimize'), number_format_i18n($stats['file_count'])); return WP_Optimize()->format_size($stats['size']) . ' (' . $translated_file_count . ')'; } /** * 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; $host = wp_parse_url($url, PHP_URL_HOST); $url = set_url_scheme(str_replace($host, WPaas\Plugin::vip(), $url), 'http'); wp_cache_flush(); update_option('gd_system_last_cache_flush', time()); // purge apc wp_remote_request(esc_url_raw($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'))) { $log = self::generate_log($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; } /** * Generate log information from a json file. * * @param string $file Full path of log file. * * @return mixed Could be either a 'json_decode' object upon successful parsing of the JSON file, or a stdClass object * upon failure. In the case of stdClass object, $obj->error will contain the error message. */ public static function generate_log($file) { $error_log = new stdClass(); $cache_path = self::cache_path(); $file_name = basename($file); $file_url = trailingslashit($cache_path['cachedirurl']) . $file_name; $file_link_html = '' . $file_name . ''; if (!file_exists($file)) { // translators: %s is a log file link $error_log->error = sprintf(__('Log file %s is missing', 'wp-optimize'), $file_link_html); return $error_log; } $log = json_decode(file_get_contents($file)); $is_valid_json = json_last_error() === JSON_ERROR_NONE; if (!$is_valid_json) { // translators: %1$s is a log file link, %2$s is the error message $error_log->error = sprintf(__('JSON error in file %1$s | Error details: %2$s', 'wp-optimize'), $file_link_html, json_last_error_msg()); return $error_log; } if (!isset($log->header) || !isset($log->files)) { // translators: %s is a log file link $error_log->error = sprintf(__('Some data is missing in the log file %s', 'wp-optimize'), $file_link_html); return $error_log; } return $log; } /** * Format a timestamp using WordPress'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'], 'minify_config' => wp_optimize_minify_config()->get(), ) ); return $files; } } Blue Steak vs Black Steak vs Rare Steak
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Blue Steak vs Black Steak vs Rare Steak

There are various levels of doneness when it comes to enjoying a perfectly cooked steak. Blue, black, and rare steaks are popular options for steak lovers. Understanding the differences between these cooking levels is essential for ensuring a satisfying dining experience.

In this blog post, we will know complete detail about Blue, Black, and Rare steaks, along with their differences. Let’s satisfy your curiosity and elevate your steak knowledge with this comprehensive blog post.

Know Everything about- Blue Steak, Black Steak, & Rare Steak

  1. Blue Steak

Blue steak epitomizes rareness, showcasing a different flavor profile and texture. It is cooked at a low temperature, leaving the interior almost raw. The exterior is lightly seared, enhancing the steak’s appearance. Blue steak is often thicker to retain moisture during cooking, ensuring a tender and juicy bite. It’s crucial to use high-quality cuts like fillet or ribeye for the best results.

  1. Black Steak

Black steak offers a unique experience with its distinct flavor and appearance. It is cooked on a hot flame, so the outside is charred, while the interior is cool with an inner temperature of around 110 to 120 degrees Fahrenheit. The heat caramelizes the surface, imparting a smoky and charred taste. Black steak is prepared using cuts like strip loin or T-bone, which can withstand the intense heat and maintain their juiciness.

  1. Rare Steak

Rare steak strikes a balance between tenderness, juiciness, and a touch of pinkness in the center. It is cooked at a higher temperature than blue steak but retains a predominantly rare interior. The exterior is seared to develop a flavorful crust, enhancing the overall taste. Popular cuts for rare steak include sirloin or porterhouse, which offer a good balance of flavor and tenderness. 

Differences between Blue, Black, and Rare Steaks

There are various differences to note when comparing blue, black, and rare steaks:

  1. Cooking Temperature Variations

Blue steak is cooked at an extremely low temperature, typically around 115 degrees Fahrenheit, resulting in a nearly raw interior. On the other hand, black steak is also seared at a low temperature, around 110 degrees Fahrenheit, creating a blackened exterior while keeping the interior rare. Rare steak falls in between, with a slightly higher cooking temperature ranging from 125 to 130 degrees Fahrenheit.

  1. Texture and Tenderness 

Blue steak has a softer and more delicate texture due to its raw interior, offering a melt-in-your-mouth experience. With its charred crust, Black steak uniquely contrasts the crispy exterior and tender interior. Rare steak strikes a balance, offering a slightly firmer texture with a tender center.

  1. Flavor Profiles and Taste Differences

Blue steak showcases the meat’s natural flavors with a buttery and mineral-like taste. Due to the low searing process, black steak offers a robust and smoky flavor. Rare steak provides a well-rounded flavor, with a balance of meaty richness and a hint of char from the seared exterior.

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FAQs Related to Blue, Black, and Rare Steaks

  1. Is it safe to eat blue or rare steak? 

Ans: While some people enjoy blue or rare steak, it carries a higher risk of foodborne illnesses due to minimal cooking, so caution is advised, especially for vulnerable individuals.

  1. What are the recommended cooking temperatures for blue, black, and rare steak? 

Ans: Blue steak is cooked at around 115 degrees Fahrenheit, black steak is also seared at a low temperature of around 110 to 120 degrees Fahrenheit, and rare steak is typically cooked between 125 to 130 degrees Fahrenheit.

  1. Can I achieve the same flavors and textures of blue, black, and rare steak at home?

Ans: Yes, by using appropriate cooking techniques and experimenting with cuts, seasonings, and cooking times, you can achieve similar flavors and textures of blue, black, and rare steak at home.

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Conclusion:

Understanding the differences between blue, black, and rare steak is essential for steak lovers seeking the perfect doneness level. Each cooking level offers a unique culinary experience, from the delicate and raw nature of blue steak to the charred and smoky flavors of black steak and the balanced tenderness of the rare steak. You can choose the steak that best suits your taste buds by considering factors such as cooking temperatures, textures, and flavors.