1182 lines
33 KiB
PHP
1182 lines
33 KiB
PHP
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<?php
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/**
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* Manages a frontend inline CSS or JavaScript resource.
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*
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* If possible, the resource will be served as a static file for better performance. It can be
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* tied to a specific post or it can be 'global'. The resource can be output, static or inline,
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* to one of four locations on the page:
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*
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* * `head-early`: right AFTER theme styles have been enqueued
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* * `head` : right BEFORE the theme and wp's inline custom css
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* * `head-late` : right AFTER the theme and wp's inline custom css
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* * `footer` : in the footer
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*
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* The first time the class is instantiated, a static callback method will be registered for each
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* output location. Inside each callback, we'll iterate over any/all instances that are assigned
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* to the current output location and perform the following steps:
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*
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* 1. If a static file exists for the resource, go to the next step. Otherwise, try to create
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* a static file for the resource if it has `data`. If it doesn't have `data`, assign it to
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* the next output location and then move on to the next resource (continue).
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* 2. If a static file exists for the resource, enqueue it (via WP or manually) and then move on
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* to the next resource (continue). If no static file exists, go to the next step.
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* 3. Output the resource inline.
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*
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* @since 2.0
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*
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* @package ET\Core
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*/
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class ET_Core_PageResource {
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/**
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* Lock file.
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*
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* @var string[]
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*/
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protected static $_lock_file;
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/**
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* Onload attribute for stylesheet output.
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*
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* @var string[]
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*/
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private static $_onload = '';
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/**
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* Output locations.
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*
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* @var string[]
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*/
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protected static $_output_locations = array(
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'head-early',
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'head',
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'head-late',
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'footer',
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);
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/**
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* Resource owners.
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*
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* @var string[]
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*/
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protected static $_owners = array(
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'divi',
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'builder',
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'epanel',
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'extra',
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'core',
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'bloom',
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'monarch',
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'custom',
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'all',
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);
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/**
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* Resource scopes.
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*
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* @var string[]
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*/
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protected static $_scopes = array(
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'global',
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'post',
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);
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/**
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* Temp DIRS.
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*
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* @var array
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*/
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protected static $_temp_dirs = array();
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/**
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* Resource types.
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*
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* @var string[]
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*/
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protected static $_types = array(
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'style',
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'script',
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);
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/**
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* Whether or not we have write access to the filesystem.
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*
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* @var bool
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*/
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protected static $_can_write;
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/**
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* Request ID.
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*
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* @var int
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*/
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protected static $_request_id;
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/**
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* Request time.
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*
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* @var string
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*/
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protected static $_request_time;
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/**
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* All instances of this class.
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*
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* @var ET_Core_PageResource[] {
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*
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* @type ET_Core_PageResource $slug
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* }
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*/
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protected static $_resources;
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/**
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* All instances of this class organized by output location and sorted by priority.
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*
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* @var array[] {
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*
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* @type array[] $location {@see self::$_output_locations} {
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*
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* @type ET_Core_PageResource[] $priority {
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*
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* @type ET_Core_PageResource $slug
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* }
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* }
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* }
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*/
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protected static $_resources_by_location;
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/**
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* All instances of this class organized by scope.
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*
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* @var array[] {
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*
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* @type ET_Core_PageResource[] $post|$global {
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*
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* @type ET_Core_PageResource $slug
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* }
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* }
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*/
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protected static $_resources_by_scope;
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/**
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* @var string
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*/
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public static $WP_CONTENT_DIR;
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/**
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* @var string
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*/
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public static $current_output_location;
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/**
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* @var ET_Core_Data_Utils
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*/
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public static $data_utils;
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/**
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* @var \WP_Filesystem_Base|null
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*/
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public static $wpfs;
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/**
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* The absolute path to the directory where the static resource will be stored.
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*
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* @var string
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*/
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public $base_dir;
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/**
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* The absolute path to the static resource on the server.
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*
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* @var string
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*/
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public $path;
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/**
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* Temp DIR.
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*
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* @var array
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*/
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public $temp_dir;
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/**
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* The absolute URL through which the static resource can be downloaded.
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*
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* @var string
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*/
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public $url;
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/**
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* The data/contents for/of the static resource sorted by priority.
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*
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* @var array
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*/
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public $data;
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/**
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* Whether or not this resource has been disabled.
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*
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* @var bool
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*/
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public $disabled;
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/**
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* Whether or not the static resource file has been enqueued.
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*
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* @var bool
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*/
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public $enqueued;
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/**
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* Whether or not this resource is forced inline.
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*
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* @var bool
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*/
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public $forced_inline;
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/**
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* @var string
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*/
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public $filename;
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/**
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* Whether or not the resource has already been output to the page inline.
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*
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* @var bool
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*/
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public $inlined;
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/**
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* The owner of this instance.
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*
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* @var string
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*/
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public $owner;
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/**
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* The id of the post to which this resource belongs.
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*
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* @var string
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*/
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public $post_id;
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/**
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* The priority of this resource.
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*
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* @var int
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*/
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public $priority;
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/**
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* A unique identifier for this resource.
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*
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* @var string
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*/
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public $slug;
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/**
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* The resource type (style|script).
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*
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* @var string
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*/
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public $type;
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/**
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* The output location during which this resource's static file should be generated.
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*
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* @var string
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*/
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public $write_file_location;
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/**
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* ET_Core_PageResource constructor
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*
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* @param string $owner The owner of the instance (core|divi|builder|bloom|monarch|custom).
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* @param string $slug A string that uniquely identifies the resource.
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* @param string|int $post_id The post id that the resource is associated with or `global`.
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* If `null`, {@link get_the_ID()} will be used.
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* @param string $type The resource type (style|script). Default: `style`.
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* @param string $location Where the resource should be output (head|footer). Default: `head`.
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*/
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public function __construct( $owner, $slug, $post_id = null, $priority = 10, $location = 'head-late', $type = 'style' ) {
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$this->owner = self::_validate_property( 'owner', $owner );
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$this->post_id = self::_validate_property( 'post_id', $post_id ? $post_id : et_core_page_resource_get_the_ID() );
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$this->type = self::_validate_property( 'type', $type );
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$this->location = self::_validate_property( 'location', $location );
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$this->write_file_location = $this->location;
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$this->filename = sanitize_file_name( "et-{$this->owner}-{$slug}-{$post_id}" );
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$this->slug = "{$this->filename}-cached-inline-{$this->type}s";
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$this->data = array();
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$this->priority = $priority;
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self::startup();
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$this->_initialize_resource();
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}
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/**
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* Activates the class
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*/
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public static function startup() {
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if ( null !== self::$_resources ) {
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// Class has already been initialized
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return;
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}
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$time = (string) microtime( true );
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$time = str_replace( '.', '', $time );
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$rand = (string) mt_rand();
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self::$_request_time = $time;
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self::$_request_id = "{$time}-{$rand}";
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self::$_resources = array();
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self::$data_utils = new ET_Core_Data_Utils();
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foreach ( self::$_output_locations as $location ) {
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self::$_resources_by_location[ $location ] = array();
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}
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foreach ( self::$_scopes as $scope ) {
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self::$_resources_by_scope[ $scope ] = array();
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}
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// phpcs:enable
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self::$WP_CONTENT_DIR = self::$data_utils->normalize_path( WP_CONTENT_DIR );
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self::$_lock_file = self::$_request_id . '~';
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self::_register_callbacks();
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self::_setup_wp_filesystem();
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self::$_can_write = et_core_cache_dir()->can_write;
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}
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/**
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* Cleanup and save
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*/
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public static function shutdown() {
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if ( ! self::$_resources || ! self::$_can_write ) {
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return;
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}
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// Remove any leftover temporary directories that belong to this request
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foreach ( self::$_temp_dirs as $temp_directory ) {
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if ( file_exists( $temp_directory . '/' . self::$_lock_file ) ) {
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@self::$wpfs->delete( $temp_directory, true );
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}
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}
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// Reset $_resources property; Mostly useful for unit test big request which needs to make
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// each test*() method act like it is different page request
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self::$_resources = null;
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if ( et_()->WPFS()->exists( self::$WP_CONTENT_DIR . '/cache/et' ) ) {
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// Remove old cache directory
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et_()->WPFS()->rmdir( self::$WP_CONTENT_DIR . '/cache/et', true );
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}
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}
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protected static function _assign_output_location( $location, $resource ) {
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$priority_existed = isset( self::$_resources_by_location[ $location ][ $resource->priority ] );
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self::$_resources_by_location[ $location ][ $resource->priority ][ $resource->slug ] = $resource;
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if ( ! $priority_existed ) {
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// We've added a new priority to the list, so put them back in sorted order.
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||
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ksort( self::$_resources_by_location[ $location ], SORT_NUMERIC );
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}
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||
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}
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||
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|
||
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/**
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||
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* Enqueues static file for provided script resource.
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||
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*
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||
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* @param ET_Core_PageResource $resource page resources.
|
||
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*/
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||
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protected static function _enqueue_script( $resource ) {
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||
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// Bust PHP's stats cache for the resource file to ensure we get the latest timestamp.
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||
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clearstatcache( true, $resource->path );
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||
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|
||
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$can_enqueue = 0 === did_action( 'wp_print_scripts' );
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||
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$timestamp = filemtime( $resource->path );
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||
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||
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if ( $can_enqueue ) {
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||
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wp_enqueue_script( $resource->slug, set_url_scheme( $resource->url ), array(), $timestamp, true );
|
||
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} else {
|
||
|
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$timestamp = $timestamp ? $timestamp : ET_CORE_VERSION;
|
||
|
|
|
||
|
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printf(
|
||
|
|
'<script id="%1$s" src="%2$s"></script>', // phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedScript
|
||
|
|
esc_attr( $resource->slug ),
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||
|
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esc_url( set_url_scheme( $resource->url . "?ver={$timestamp}" ) )
|
||
|
|
);
|
||
|
|
}
|
||
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|
||
|
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$resource->enqueued = true;
|
||
|
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}
|
||
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|
||
|
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/**
|
||
|
|
* 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*" )
|
||
|
|
);
|
||
|
|
|
||
|
|
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 );
|
||
|
|
}
|
||
|
|
}
|