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Edit File: PageResource.php
<?php /** * Manages a frontend inline CSS or JavaScript resource. * * If possible, the resource will be served as a static file for better performance. It can be * tied to a specific post or it can be 'global'. The resource can be output, static or inline, * to one of four locations on the page: * * * `head-early`: right AFTER theme styles have been enqueued * * `head` : right BEFORE the theme and wp's inline custom css * * `head-late` : right AFTER the theme and wp's inline custom css * * `footer` : in the footer * * The first time the class is instantiated, a static callback method will be registered for each * output location. Inside each callback, we'll iterate over any/all instances that are assigned * to the current output location and perform the following steps: * * 1. If a static file exists for the resource, go to the next step. Otherwise, try to create * a static file for the resource if it has `data`. If it doesn't have `data`, assign it to * the next output location and then move on to the next resource (continue). * 2. If a static file exists for the resource, enqueue it (via WP or manually) and then move on * to the next resource (continue). If no static file exists, go to the next step. * 3. Output the resource inline. * * @since 2.0 * * @package ET\Core */ class ET_Core_PageResource { /** * Lock file. * * @var string[] */ protected static $_lock_file; /** * Onload attribute for stylesheet output. * * @var string[] */ private static $_onload = ''; /** * Output locations. * * @var string[] */ protected static $_output_locations = array( 'head-early', 'head', 'head-late', 'footer', ); /** * Resource owners. * * @var string[] */ protected static $_owners = array( 'divi', 'builder', 'epanel', 'extra', 'core', 'bloom', 'monarch', 'custom', 'all', ); /** * Resource scopes. * * @var string[] */ protected static $_scopes = array( 'global', 'post', ); /** * Temp DIRS. * * @var array */ protected static $_temp_dirs = array(); /** * Resource types. * * @var string[] */ protected static $_types = array( 'style', 'script', ); /** * Whether or not we have write access to the filesystem. * * @var bool */ protected static $_can_write; /** * Request ID. * * @var int */ protected static $_request_id; /** * Request time. * * @var string */ protected static $_request_time; /** * All instances of this class. * * @var ET_Core_PageResource[] { * * @type ET_Core_PageResource $slug * } */ protected static $_resources; /** * All instances of this class organized by output location and sorted by priority. * * @var array[] { * * @type array[] $location {@see self::$_output_locations} { * * @type ET_Core_PageResource[] $priority { * * @type ET_Core_PageResource $slug * } * } * } */ protected static $_resources_by_location; /** * All instances of this class organized by scope. * * @var array[] { * * @type ET_Core_PageResource[] $post|$global { * * @type ET_Core_PageResource $slug * } * } */ protected static $_resources_by_scope; /** * @var string */ public static $WP_CONTENT_DIR; /** * @var string */ public static $current_output_location; /** * @var ET_Core_Data_Utils */ public static $data_utils; /** * @var \WP_Filesystem_Base|null */ public static $wpfs; /** * The absolute path to the directory where the static resource will be stored. * * @var string */ public $base_dir; /** * The absolute path to the static resource on the server. * * @var string */ public $path; /** * Temp DIR. * * @var array */ public $temp_dir; /** * The absolute URL through which the static resource can be downloaded. * * @var string */ public $url; /** * The data/contents for/of the static resource sorted by priority. * * @var array */ public $data; /** * Whether or not this resource has been disabled. * * @var bool */ public $disabled; /** * Whether or not the static resource file has been enqueued. * * @var bool */ public $enqueued; /** * Whether or not this resource is forced inline. * * @var bool */ public $forced_inline; /** * @var string */ public $filename; /** * Whether or not the resource has already been output to the page inline. * * @var bool */ public $inlined; /** * The owner of this instance. * * @var string */ public $owner; /** * The id of the post to which this resource belongs. * * @var string */ public $post_id; /** * The priority of this resource. * * @var int */ public $priority; /** * A unique identifier for this resource. * * @var string */ public $slug; /** * The resource type (style|script). * * @var string */ public $type; /** * The output location during which this resource's static file should be generated. * * @var string */ public $write_file_location; /** * ET_Core_PageResource constructor * * @param string $owner The owner of the instance (core|divi|builder|bloom|monarch|custom). * @param string $slug A string that uniquely identifies the resource. * @param string|int $post_id The post id that the resource is associated with or `global`. * If `null`, {@link get_the_ID()} will be used. * @param string $type The resource type (style|script). Default: `style`. * @param string $location Where the resource should be output (head|footer). Default: `head`. */ public function __construct( $owner, $slug, $post_id = null, $priority = 10, $location = 'head-late', $type = 'style' ) { $this->owner = self::_validate_property( 'owner', $owner ); $this->post_id = self::_validate_property( 'post_id', $post_id ? $post_id : et_core_page_resource_get_the_ID() ); $this->type = self::_validate_property( 'type', $type ); $this->location = self::_validate_property( 'location', $location ); $this->write_file_location = $this->location; $this->filename = sanitize_file_name( "et-{$this->owner}-{$slug}-{$post_id}" ); $this->slug = "{$this->filename}-cached-inline-{$this->type}s"; $this->data = array(); $this->priority = $priority; self::startup(); $this->_initialize_resource(); } /** * Activates the class */ public static function startup() { if ( null !== self::$_resources ) { // Class has already been initialized return; } $time = (string) microtime( true ); $time = str_replace( '.', '', $time ); $rand = (string) mt_rand(); self::$_request_time = $time; self::$_request_id = "{$time}-{$rand}"; self::$_resources = array(); self::$data_utils = new ET_Core_Data_Utils(); foreach ( self::$_output_locations as $location ) { self::$_resources_by_location[ $location ] = array(); } foreach ( self::$_scopes as $scope ) { self::$_resources_by_scope[ $scope ] = array(); } // phpcs:enable self::$WP_CONTENT_DIR = self::$data_utils->normalize_path( WP_CONTENT_DIR ); self::$_lock_file = self::$_request_id . '~'; self::_register_callbacks(); self::_setup_wp_filesystem(); self::$_can_write = et_core_cache_dir()->can_write; } /** * Cleanup and save */ public static function shutdown() { if ( ! self::$_resources || ! self::$_can_write ) { return; } // Remove any leftover temporary directories that belong to this request foreach ( self::$_temp_dirs as $temp_directory ) { if ( file_exists( $temp_directory . '/' . self::$_lock_file ) ) { @self::$wpfs->delete( $temp_directory, true ); } } // Reset $_resources property; Mostly useful for unit test big request which needs to make // each test*() method act like it is different page request self::$_resources = null; if ( et_()->WPFS()->exists( self::$WP_CONTENT_DIR . '/cache/et' ) ) { // Remove old cache directory et_()->WPFS()->rmdir( self::$WP_CONTENT_DIR . '/cache/et', true ); } } protected static function _assign_output_location( $location, $resource ) { $priority_existed = isset( self::$_resources_by_location[ $location ][ $resource->priority ] ); self::$_resources_by_location[ $location ][ $resource->priority ][ $resource->slug ] = $resource; if ( ! $priority_existed ) { // We've added a new priority to the list, so put them back in sorted order. ksort( self::$_resources_by_location[ $location ], SORT_NUMERIC ); } } /** * Enqueues static file for provided script resource. * * @param ET_Core_PageResource $resource page resources. */ protected static function _enqueue_script( $resource ) { // Bust PHP's stats cache for the resource file to ensure we get the latest timestamp. clearstatcache( true, $resource->path ); $can_enqueue = 0 === did_action( 'wp_print_scripts' ); $timestamp = filemtime( $resource->path ); if ( $can_enqueue ) { wp_enqueue_script( $resource->slug, set_url_scheme( $resource->url ), array(), $timestamp, true ); } else { $timestamp = $timestamp ? $timestamp : ET_CORE_VERSION; printf( '<script id="%1$s" src="%2$s"></script>', // phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedScript esc_attr( $resource->slug ), esc_url( set_url_scheme( $resource->url . "?ver={$timestamp}" ) ) ); } $resource->enqueued = true; } /** * Enqueues static file for provided style resource. * * @param ET_Core_PageResource $resource */ protected static function _enqueue_style( $resource ) { if ( 'footer' === self::$current_output_location ) { return; } // Bust PHP's stats cache for the resource file to ensure we get the latest timestamp. clearstatcache( true, $resource->path ); $can_enqueue = 0 === did_action( 'wp_print_scripts' ); // reason: We do this on purpose when a style can't be enqueued. // phpcs:disable WordPress.WP.EnqueuedResources.NonEnqueuedStylesheet $template = '<link rel="stylesheet" id="%1$s" href="%2$s" />'; // phpcs:enable $timestamp = filemtime( $resource->path ); if ( $can_enqueue ) { wp_enqueue_style( $resource->slug, set_url_scheme( $resource->url ), array(), $timestamp ); } else { // reason: this whole file needs to be converted. // phpcs:disable ET.Sniffs.ValidVariableName.UsedPropertyNotSnakeCase $timestamp = $timestamp ?: ET_CORE_VERSION; $slug = esc_attr( $resource->slug ); $scheme = esc_url( set_url_scheme( $resource->url . "?ver={$timestamp}" ) ); $tag = sprintf( $template, $slug, $scheme ); $onload = et_core_esc_previously( self::$_onload ); // phpcs:enable $tag = apply_filters( 'et_core_page_resource_tag', $tag, $slug, $scheme, $onload ); print( et_core_esc_previously( $tag ) ); } $resource->enqueued = true; } /** * Returns the next output location. * * @see self::$_output_locations * * @return string */ protected static function _get_next_output_location() { $current_index = array_search( self::$current_output_location, self::$_output_locations, true ); if ( false === $current_index || ! is_int( $current_index ) ) { ET_Core_Logger::error( '$current_output_location is invalid!' ); } $current_index += 1; return self::$_output_locations[ $current_index ]; } /** * Creates static resource files for an output location if needed. * * @param string $location {@link self::$_output_locations}. */ protected static function _maybe_create_static_resources( $location ) { self::$current_output_location = $location; // Disable for footer inside builder if page uses Theme Builder Editor to avoid conflict with critical CSS. if ( 'footer' === $location && et_fb_is_enabled() && et_fb_is_theme_builder_used_on_page() ) { return false; } $sorted_resources = self::get_resources_by_output_location( $location ); foreach ( $sorted_resources as $priority => $resources ) { foreach ( $resources as $slug => $resource ) { if ( $resource->write_file_location !== $location ) { // This resource's static file needs to be generated later on. self::_assign_output_location( $resource->write_file_location, $resource ); continue; } if ( ! self::$_can_write ) { // The reason we don't simply check this before looping through resources and // bail if it fails is because we need to perform the output location assignment // in the previous conditional regardless (otherwise builder styles will break). continue; } if ( $resource->forced_inline || $resource->has_file() ) { continue; } $data = $resource->get_data( 'file' ); if ( empty( $data ) && 'footer' !== $location ) { // This resource doesn't have any data yet so we'll assign it to the next output location. $next_location = self::_get_next_output_location(); $resource->set_output_location( $next_location ); continue; } $force_write = apply_filters( 'et_core_page_resource_force_write', false, $resource ); if ( ! $force_write && empty( $data ) ) { continue; } // Make sure directory exists. if ( ! self::$data_utils->ensure_directory_exists( $resource->base_dir ) ) { self::$_can_write = false; return; } $can_continue = true; // Try to create a temporary directory which we'll use as a pseudo file lock if ( @mkdir( $resource->temp_dir, 0755 ) ) { //phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged -- Just ignore this since it's an internal use. self::$_temp_dirs[] = $resource->temp_dir; // Make sure another request doesn't delete our temp directory. $lock_file = $resource->temp_dir . '/' . self::$_lock_file; self::$wpfs->put_contents( $lock_file, '' ); // Create the static resource file if ( ! self::$wpfs->put_contents( $resource->path, $data, 0644 ) ) { // There's no point in continuing self::$_can_write = $can_continue = false; } else { // Remove the temporary directory self::$wpfs->delete( $resource->temp_dir, true ); /** * Fires when the static resource file is created. * * @since 4.10.8 * * @param object $resource The resource object. */ do_action( 'et_core_static_file_created', $resource ); } } elseif ( file_exists( $resource->temp_dir ) ) { // The static resource file is currently being created by another request continue; } else { // Failed for some other reason. There's no point in continuing self::$_can_write = $can_continue = false; return; } if ( ! $can_continue ) { return; } if ( ! defined( 'DONOTCACHEPAGE' ) ) { define( 'DONOTCACHEPAGE', true ); } } } } /** * Enqueues static files for an output location if available. * * @param string $location {@link self::$_output_locations}. */ protected static function _maybe_enqueue_static_resources( $location ) { $sorted_resources = self::get_resources_by_output_location( $location ); foreach ( $sorted_resources as $priority => $resources ) { foreach ( $resources as $slug => $resource ) { if ( $resource->disabled ) { // Resource is disabled. Remove it from the queue. self::_unassign_output_location( $location, $resource ); continue; } if ( $resource->forced_inline || ! $resource->url || ! $resource->has_file() ) { continue; } if ( 'style' === $resource->type ) { self::_enqueue_style( $resource ); } elseif ( 'script' === $resource->type ) { self::_enqueue_script( $resource ); } if ( $resource->enqueued ) { self::_unassign_output_location( $location, $resource ); } } } } /** * Outputs all non-enqueued resources for an output location inline. * * @param string $location {@link self::$_output_locations}. */ protected static function _maybe_output_inline_resources( $location ) { $sorted_resources = self::get_resources_by_output_location( $location ); foreach ( $sorted_resources as $priority => $resources ) { foreach ( $resources as $slug => $resource ) { if ( $resource->disabled ) { // Resource is disabled. Remove it from the queue. self::_unassign_output_location( $location, $resource ); continue; } $data = $resource->get_data( 'inline' ); $same_write_file_location = $resource->write_file_location === $resource->location; if ( empty( $data ) && 'footer' !== $location && $same_write_file_location ) { // This resource doesn't have any data yet so we'll assign it to the next output location. $next_location = self::_get_next_output_location(); $resource->set_output_location( $next_location ); continue; } elseif ( empty( $data ) ) { continue; } printf( '<%1$s id="%2$s">%3$s</%1$s>', esc_html( $resource->type ), esc_attr( $resource->slug ), et_core_esc_previously( wp_strip_all_tags( $data ) ) ); if ( $same_write_file_location ) { // File wasn't created during this location's callback and it won't be created later $resource->inlined = true; } } } } /** * Registers necessary callbacks. */ protected static function _register_callbacks() { $class = 'ET_Core_PageResource'; // Output Location: head-early, right after theme styles have been enqueued. add_action( 'wp_enqueue_scripts', array( $class, 'head_early_output_cb' ), 11 ); // Output Location: head, right BEFORE the theme and wp's custom css. add_action( 'wp_head', array( $class, 'head_output_cb' ), 99 ); // Output Location: head-late, right AFTER the theme and wp's custom css. add_action( 'wp_head', array( $class, 'head_late_output_cb' ), 103 ); // Output Location: footer. add_action( 'wp_footer', array( $class, 'footer_output_cb' ), 20 ); // Always delete cached resources for a post upon saving. add_action( 'save_post', array( $class, 'save_post_cb' ), 10, 3 ); // Always delete cached resources for theme customizer upon saving. add_action( 'customize_save_after', array( $class, 'customize_save_after_cb' ) ); /* * Always delete dynamic css when saving widgets. * `widget_update_callback` fires on save for any of the present widgets, * `delete_widget` fires on save for any deleted widget. */ add_filter( 'widget_update_callback', array( $class, 'widget_update_callback_cb' ) ); add_filter( 'delete_widget', array( $class, 'widget_update_callback_cb' ) ); } /** * Initializes the WPFilesystem class. */ protected static function _setup_wp_filesystem() { // The wpfs instance will always exists at this point because the cache dir class initializes it beforehand self::$wpfs = $GLOBALS['wp_filesystem']; } /** * Unassign a resource from an output location. * * @param string $location {@link self::$_output_locations}. * @param ET_Core_PageResource $resource */ protected static function _unassign_output_location( $location, $resource ) { unset( self::$_resources_by_location[ $location ][ $resource->priority ][ $resource->slug ] ); } protected static function _validate_property( $property, $value ) { $valid_values = array( 'location' => self::$_output_locations, 'owner' => self::$_owners, 'type' => self::$_types, ); switch ( $property ) { case 'path': $value = et_()->normalize_path( realpath( $value ) ); $is_valid = et_()->starts_with( $value, et_core_cache_dir()->path ); break; case 'url': $base_url = et_core_cache_dir()->url; $is_valid = et_()->starts_with( $value, set_url_scheme( $base_url, 'http' ) ); $is_valid = $is_valid ? $is_valid : et_()->starts_with( $value, set_url_scheme( $base_url, 'https' ) ); break; case 'post_id': $is_valid = 'global' === $value || 'all' === $value || is_numeric( $value ); break; default: $is_valid = isset( $valid_values[ $property ] ) && in_array( $value, $valid_values[ $property ] ); break; } return $is_valid ? $value : ''; } /** * Whether or not we are able to write to the filesystem. * * @return bool */ public static function can_write_to_filesystem() { return et_core_cache_dir()->can_write; } /** * Output Location: footer * {@see 'wp_footer' (20) Allow third-party extensions some room to do what they do} */ public static function footer_output_cb() { self::_maybe_create_static_resources( 'footer' ); self::_maybe_enqueue_static_resources( 'footer' ); self::_maybe_output_inline_resources( 'footer' ); } /** * Returns the absolute path to our cache directory. * * @since 4.0.8 Removed `$path_type` param b/c cache directory might not be located under wp-content. * @since 3.0.52 * * @return string */ public static function get_cache_directory() { return et_core_cache_dir()->path; } /** * Returns all current resources. * * @return array {@link self::$_resources} */ public static function get_resources() { return self::$_resources; } /** * Returns the current resources for the provided output location, sorted by priority. * * @param string $location The desired output location {@see self::$_output_locations}. * * @return array[] { * * @type ET_Core_PageResource[] $priority { * * @type ET_Core_PageResource $slug Resource. * ... * } * ... * } */ public static function get_resources_by_output_location( $location ) { return self::$_resources_by_location[ $location ]; } /** * Returns the current resources for the provided scope. * * @param string $scope The desired scope (post|global). * * @return ET_Core_PageResource[] */ public static function get_resources_by_scope( $scope ) { return self::$_resources_by_scope[ $scope ]; } /** * Output Location: head-early * {@see 'wp_enqueue_scripts' (11) Should run right after the theme enqueues its styles.} */ public static function head_early_output_cb() { self::_maybe_create_static_resources( 'head-early' ); self::_maybe_enqueue_static_resources( 'head-early' ); self::_maybe_output_inline_resources( 'head-early' ); } /** * Output Location: head * {@see 'wp_head' (99) Must run BEFORE the theme and WP's custom css callbacks.} */ public static function head_output_cb() { self::_maybe_create_static_resources( 'head' ); self::_maybe_enqueue_static_resources( 'head' ); self::_maybe_output_inline_resources( 'head' ); } /** * Output Location: head-late * {@see 'wp_head' (103) Must run AFTER the theme and WP's custom css callbacks.} */ public static function head_late_output_cb() { self::_maybe_create_static_resources( 'head-late' ); self::_maybe_enqueue_static_resources( 'head-late' ); self::_maybe_output_inline_resources( 'head-late' ); } /** * {@see 'widget_update_callback'} * * @param array $instance Widget settings being saved. */ public static function widget_update_callback_cb( $instance ) { self::remove_static_resources( 'all', 'all', false, 'dynamic' ); return $instance; } /** * {@see 'customize_save_after'} * * @param WP_Customize_Manager $manager */ public static function customize_save_after_cb( $manager ) { self::remove_static_resources( 'all', 'all' ); } /** * {@see 'save_post'} * * @param int $post_id * @param WP_Post $post * @param bool $update */ public static function save_post_cb( $post_id, $post, $update ) { // In Dynamic CSS, we parse the layout content for generating styles and store it under the `object_id`, so clearing // only the layout assets won't update the page style if we made any changes to the layout/global modules etc. // Hence, we need to clear all static resources when we update a layout. // Also, we should only clear the cache if the layout being saved is a global module/row/section. if ( 'et_pb_layout' === $post->post_type ) { $taxonomies = get_taxonomies( [ 'object_type' => [ 'et_pb_layout' ] ] ); $tax_to_clear = array( 'scope', 'layout_type' ); $types_to_clear = array( 'module', 'row', 'section' ); $scope_terms = get_the_terms( $post_id, 'scope' ); $layout_terms = get_the_terms( $post_id, 'layout_type' ); if ( ! empty( $scope_terms ) && ! empty( $layout_terms ) ) { $scope_terms = wp_list_pluck( $scope_terms, 'slug' ); $layout_terms = wp_list_pluck( $layout_terms, 'slug' ); $is_global = in_array( 'global', $scope_terms, true ); $clearable_modules = array_intersect( $types_to_clear, $layout_terms ); $remove_resource = $is_global && ! empty( $clearable_modules ); foreach ( $taxonomies as $taxonomy ) { if ( in_array( $taxonomy, $tax_to_clear, true ) && $remove_resource ) { $post_id = 'all'; break; } } } } self::remove_static_resources( $post_id, 'all' ); } /** * Remove static resources for a post, or optionally all resources, if any exist. * * @param string $post_id id of post. * @param string $owner owner of file. * @param bool $force remove all resources. * @param string $slug file slug. */ public static function remove_static_resources( $post_id, $owner = 'core', $force = false, $slug = 'all' ) { if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { return; } if ( ! wp_doing_cron() && ! et_core_security_check_passed( 'edit_posts' ) ) { return; } if ( ! self::can_write_to_filesystem() ) { return; } if ( ! self::$data_utils ) { self::startup(); } self::do_remove_static_resources( $post_id, $owner, $force, $slug ); } /** * Remove static resources action. * * @param string $post_id id of post. * @param string $owner owner of file. * @param bool $force remove all resources. * @param string $slug file slug. */ public static function do_remove_static_resources( $post_id, $owner = 'core', $force = false, $slug = 'all' ) { $post_id = self::_validate_property( 'post_id', $post_id ); $owner = self::_validate_property( 'owner', $owner ); $slug = sanitize_key( $slug ); if ( '' === $owner || '' === $post_id ) { return; } $_post_id = 'all' === $post_id ? '*' : $post_id; $_owner = 'all' === $owner ? '*' : $owner; $_slug = 'all' === $slug ? '*' : $slug; $cache_dir = self::get_cache_directory(); $files = array_merge( // Remove any CSS files missing a parent folder. (array) glob( "{$cache_dir}/et-{$_owner}-*" ), // Remove CSS files for individual posts or all posts if $post_id set to 'all'. (array) glob( "{$cache_dir}/{$_post_id}/et-{$_owner}-{$_slug}*" ), // Remove CSS files that contain theme builder template CSS. // Multiple directories need to be searched through since * doesn't match / in the glob pattern. (array) glob( "{$cache_dir}/*/et-{$_owner}-{$_slug}-*tb-{$_post_id}*" ), (array) glob( "{$cache_dir}/*/*/et-{$_owner}-{$_slug}-*tb-{$_post_id}*" ), (array) glob( "{$cache_dir}/*/*/*/et-{$_owner}-{$_slug}-*tb-{$_post_id}*" ), (array) glob( "{$cache_dir}/*/et-{$_owner}-{$_slug}-*tb-for-{$_post_id}*" ), (array) glob( "{$cache_dir}/*/*/et-{$_owner}-{$_slug}-*tb-for-{$_post_id}*" ), (array) glob( "{$cache_dir}/*/*/*/et-{$_owner}-{$_slug}-*tb-for-{$_post_id}*" ), // Remove Dynamic CSS files for categories, tags, authors, archives, homepage post feed and search results. (array) glob( "{$cache_dir}/taxonomy/*/*/et-{$_owner}-dynamic*" ), (array) glob( "{$cache_dir}/author/*/et-{$_owner}-dynamic*" ), (array) glob( "{$cache_dir}/archive/et-{$_owner}-dynamic*" ), (array) glob( "{$cache_dir}/search/et-{$_owner}-dynamic*" ), (array) glob( "{$cache_dir}/notfound/et-{$_owner}-dynamic*" ), (array) glob( "{$cache_dir}/home/et-{$_owner}-dynamic*" ), // WP Templates and Template Parts. (array) glob( "{$cache_dir}/*/et-{$_owner}-{$_slug}-*wpe-{$_post_id}*" ), (array) glob( "{$cache_dir}/*/*/et-{$_owner}-{$_slug}-*wpe-{$_post_id}*" ), (array) glob( "{$cache_dir}/*/*/*/et-{$_owner}-{$_slug}-*wpe-{$_post_id}*" ) ); self::_remove_files_in_directory( $files, $cache_dir ); // Remove empty directories. self::$data_utils->remove_empty_directories( $cache_dir ); // Clear cache managed by 3rd-party cache plugins. $post_id = ! empty( $post_id ) && absint( $post_id ) > 0 ? $post_id : ''; et_core_clear_wp_cache( $post_id ); // Purge the module features cache. if ( class_exists( 'ET_Builder_Module_Features' ) ) { if ( ! empty( $post_id ) ) { ET_Builder_Module_Features::purge_cache( $post_id ); } else { ET_Builder_Module_Features::purge_cache(); } } // Purge the google fonts cache. if ( empty( $post_id ) && class_exists( 'ET_Builder_Google_Fonts_Feature' ) ) { ET_Builder_Google_Fonts_Feature::purge_cache(); } // Purge the dynamic assets cache. if ( empty( $post_id ) && class_exists( 'ET_Builder_Dynamic_Assets_Feature' ) ) { ET_Builder_Dynamic_Assets_Feature::purge_cache(); } $post_meta_caches = array( 'et_enqueued_post_fonts', '_et_dynamic_cached_shortcodes', '_et_dynamic_cached_attributes', '_et_builder_module_features_cache', ); // Clear post meta caches. foreach ( $post_meta_caches as $post_meta_cache ) { if ( ! empty( $post_id ) ) { delete_post_meta( $post_id, $post_meta_cache ); } else { delete_post_meta_by_key( $post_meta_cache ); } } // Set our DONOTCACHEPAGE file for the next request. self::$data_utils->ensure_directory_exists( $cache_dir ); self::$wpfs->put_contents( $cache_dir . '/DONOTCACHEPAGE', '' ); if ( $force ) { delete_option( 'et_core_page_resource_remove_all' ); } } /** * Removes a list of files from the designated directory. * * @param array[] $files List of patterns to match. * @param string $cache_dir Cache directory. */ protected static function _remove_files_in_directory( $files, $cache_dir ) { foreach ( $files as $file ) { $file = self::$data_utils->normalize_path( $file ); if ( ! et_()->starts_with( $file, $cache_dir ) ) { // File is not located inside cache directory so skip it. continue; } if ( is_file( $file ) ) { self::$wpfs->delete( $file ); } } } public static function wpfs() { if ( null !== self::$wpfs ) { return self::$wpfs; } self::startup(); return self::$wpfs = et_core_cache_dir()->wpfs; } protected function _initialize_resource() { if ( ! self::can_write_to_filesystem() ) { $this->base_dir = $this->temp_dir = $this->path = $this->url = ''; //phpcs:ignore Squiz.PHP.DisallowMultipleAssignments.Found -- Just ignore this since it's an internal use. $this->_register_resource(); return; } $file_extension = 'style' === $this->type ? '.min.css' : '.min.js'; $path = self::get_cache_directory(); $url = et_core_cache_dir()->url; $file = et_()->path( $path, $this->post_id, $this->filename . $file_extension ); if ( file_exists( $file ) ) { // Static resource file exists $this->path = self::$data_utils->normalize_path( $file ); $this->base_dir = dirname( $this->path ); $this->url = et_()->path( $url, $this->post_id, basename( $this->path ) ); } else { // Static resource file doesn't exist $url .= "/{$this->post_id}/{$this->filename}{$file_extension}"; $path .= "/{$this->post_id}/{$this->filename}{$file_extension}"; $this->base_dir = self::$data_utils->normalize_path( dirname( $path ) ); $this->temp_dir = $this->base_dir . "/{$this->slug}~"; $this->path = $path; $this->url = $url; } $this->_register_resource(); } protected function _register_resource() { $this->enqueued = false; $this->inlined = false; $scope = 'global' === $this->post_id ? 'global' : 'post'; self::$_resources[ $this->slug ] = $this; self::$_resources_by_scope[ $scope ][ $this->slug ] = $this; self::_assign_output_location( $this->location, $this ); } public function get_data( $context ) { $result = ''; ksort( $this->data, SORT_NUMERIC ); /** * Filters the resource's data array. * * @since 3.0.52 * * @param array[] $data { * * @type string[] $priority Resource data. * ... * } * @param string $context Where the data will be used. Accepts 'inline', 'file'. * @param ET_Core_PageResource $resource The resource instance. */ $resource_data = apply_filters( 'et_core_page_resource_get_data', $this->data, $context, $this ); foreach ( $resource_data as $priority => $data_part ) { foreach ( $data_part as $data ) { $result .= $data; } } return $result; } /** * Whether or not a static resource exists on the filesystem for this instance. * * @return bool */ public function has_file() { if ( ! self::$wpfs || empty( $this->path ) || ! self::can_write_to_filesystem() ) { return false; } return self::$wpfs->exists( $this->path ); } /** * Set the resource's data. * * @param string $data * @param int $priority */ public function set_data( $data, $priority = 10 ) { if ( 'style' === $this->type ) { $data = et_core_data_utils_minify_css( $data ); // Remove empty media queries // @media only..and (feature:value) { } $pattern = '/@media\s+([\w\s]+)?\([\w-]+:[\w\d-]+\)\{\s*\}/'; $data = preg_replace( $pattern, '', $data ); } $this->data[ $priority ][] = trim( strip_tags( str_replace( '\n', '', $data ) ) ); } public function set_output_location( $location ) { if ( ! self::_validate_property( 'location', $location ) ) { return; } $current_location = $this->location; self::_unassign_output_location( $current_location, $this ); self::_assign_output_location( $location, $this ); $this->location = $location; } public function unregister_resource() { $scope = 'global' === $this->post_id ? 'global' : 'post'; unset( self::$_resources[ $this->slug ], self::$_resources_by_scope[ $scope ][ $this->slug ] ); self::_unassign_output_location( $this->location, $this ); } }
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