159 lines
4.4 KiB
PHP
159 lines
4.4 KiB
PHP
<?php
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namespace W3TC;
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/**
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* Attaches to wp actions related to content change, which should fire
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* flushes of html content
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*/
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class Util_AttachToActions {
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/**
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* Flush actions.
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*
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* @return void
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*/
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public static function flush_posts_on_actions() {
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static $attached = false;
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if ( $attached ) {
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return;
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}
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$attached = true;
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$o = new Util_AttachToActions();
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// posts.
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add_action( 'pre_post_update', array( $o, 'on_pre_post_update' ), 0, 2 );
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add_action( 'save_post', array( $o, 'on_post_change' ), 0, 2 );
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add_filter( 'pre_trash_post', array( $o, 'on_post_change' ), 0, 2 );
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add_action( 'before_delete_post', array( $o, 'on_post_change' ), 0, 2 );
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// comments.
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add_action( 'comment_post', array( $o, 'on_comment_change' ), 0 );
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add_action( 'edit_comment', array( $o, 'on_comment_change' ), 0 );
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add_action( 'delete_comment', array( $o, 'on_comment_change' ), 0 );
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add_action( 'wp_set_comment_status', array( $o, 'on_comment_status' ), 0, 2 );
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add_action( 'trackback_post', array( $o, 'on_comment_change' ), 0 );
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add_action( 'pingback_post', array( $o, 'on_comment_change' ), 0 );
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// theme.
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add_action( 'switch_theme', array( $o, 'on_change' ), 0 );
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// navigation menu.
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add_action( 'wp_update_nav_menu', array( $o, 'on_change' ), 0 );
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// user profile.
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add_action( 'edit_user_profile_update', array( $o, 'on_change' ), 0 );
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// terms.
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add_action( 'edited_term', array( $o, 'on_change' ), 0 );
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add_action( 'delete_term', array( $o, 'on_change' ), 0 );
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// multisite.
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if ( Util_Environment::is_wpmu() ) {
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add_action( 'wp_uninitialize_site', array( $o, 'on_change' ), 0 );
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add_action( 'wp_update_site', array( $o, 'on_change' ), 0 );
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}
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}
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/**
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* Pre-Post changed action for published post changed to draft which invalidates the published URL.
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*
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* @link https://developer.wordpress.org/reference/hooks/pre_post_update/
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*
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* @param integer $post_id Post ID.
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* @param array $data Array of unslashed post data.
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*
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* @return void
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*/
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public function on_pre_post_update( $post_id, $data = null ) {
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if ( is_null( $data ) ) {
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$data = get_post( $post_id, ARRAY_A );
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}
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// if attachment changed - parent post has to be flushed
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// since there are usually attachments content like title
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// on the page (gallery).
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if ( isset( $data['post_type'] ) && 'attachment' === $data['post_type'] ) {
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$post_id = $data['post_parent'];
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$data = get_post( $post_id, ARRAY_A );
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}
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if ( ! isset( $data['post_status'] ) || 'draft' !== $data['post_status'] ) {
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return;
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}
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$cacheflush = Dispatcher::component( 'CacheFlush' );
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$cacheflush->flush_post( $post_id );
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}
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/**
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* Post changed action
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*
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* @link https://developer.wordpress.org/reference/hooks/save_post/
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*
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* @param integer $post_id Post ID.
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* @param WP_Post $post Post.
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*
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* @return int|bool|null
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*/
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public function on_post_change( $post_id, $post = null ) {
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if ( is_null( $post ) ) {
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$post = get_post( $post_id );
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}
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// if attachment changed - parent post has to be flushed
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// since there are usually attachments content like title
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// on the page (gallery).
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if ( isset( $post->post_type ) && 'attachment' === $post->post_type ) {
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$post_id = $post->post_parent;
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$post = get_post( $post_id );
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}
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if ( ! Util_Environment::is_flushable_post( $post, 'posts', Dispatcher::config() ) ) {
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return $post_id;
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}
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$cacheflush = Dispatcher::component( 'CacheFlush' );
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$cacheflush->flush_post( $post_id );
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return $post_id;
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}
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/**
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* Comment change action.
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*
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* @param integer $comment_id Comment ID.
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*/
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public function on_comment_change( $comment_id ) {
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$post_id = 0;
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if ( $comment_id ) {
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$comment = get_comment( $comment_id, ARRAY_A );
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$post_id = ( ! empty( $comment['comment_post_ID'] ) ? (int) $comment['comment_post_ID'] : 0 );
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}
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$this->on_post_change( $post_id );
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}
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/**
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* Comment status action fired immediately after transitioning a comment’s status from one to another
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* in the database and removing the comment, but prior to all status transition hooks.
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*
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* @link https://developer.wordpress.org/reference/functions/wp_set_comment_status/
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*
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* @param integer $comment_id Comment ID.
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* @param string $status Status.
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*/
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public function on_comment_status( $comment_id, $status ) {
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$this->on_comment_change( $comment_id );
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}
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/**
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* Change action
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*/
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public function on_change() {
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$cacheflush = Dispatcher::component( 'CacheFlush' );
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$cacheflush->flush_posts();
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}
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}
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