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Jetpack_Sync_Module_Posts::wp_insert_post()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 3
nc 1
nop 3
dl 0
loc 4
rs 10
c 0
b 0
f 0
1
<?php
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require_once dirname( __FILE__ ) . '/class.jetpack-sync-settings.php';
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class Jetpack_Sync_Module_Posts extends Jetpack_Sync_Module {
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	private $just_published = array();
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	private $action_handler;
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	public function name() {
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		return 'posts';
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	}
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	public function get_object_by_id( $object_type, $id ) {
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		if ( $object_type === 'post' && $post = get_post( intval( $id ) ) ) {
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			return $this->filter_post_content_and_add_links( $post );
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		}
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		return false;
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	}
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	public function set_defaults() {
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	}
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	public function init_listeners( $callable ) {
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		$this->action_handler = $callable;
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		// Core < 4.7 doesn't deal with nested wp_insert_post calls very well
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		global $wp_version;
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		$priority = version_compare( $wp_version, '4.7-alpha', '<' ) ? 0 : 11;
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		add_action( 'wp_insert_post', array( $this, 'wp_insert_post' ), $priority, 3 );
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		add_action( 'deleted_post', $callable, 10 );
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		add_action( 'jetpack_publicize_post', $callable );
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		add_action( 'jetpack_published_post', $callable, 10, 2 );
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		add_action( 'transition_post_status', array( $this, 'save_published' ), 10, 3 );
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		add_filter( 'jetpack_sync_before_enqueue_wp_insert_post', array( $this, 'filter_blacklisted_post_types' ) );
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		// listen for meta changes
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		$this->init_listeners_for_meta_type( 'post', $callable );
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		$this->init_meta_whitelist_handler( 'post', array( $this, 'filter_meta' ) );
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	}
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	public function init_full_sync_listeners( $callable ) {
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		add_action( 'jetpack_full_sync_posts', $callable ); // also sends post meta
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	}
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	public function init_before_send() {
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		add_filter( 'jetpack_sync_before_send_wp_insert_post', array( $this, 'expand_wp_insert_post' ) );
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		// full sync
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		add_filter( 'jetpack_sync_before_send_jetpack_full_sync_posts', array( $this, 'expand_post_ids' ) );
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	}
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	public function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $state ) {
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		global $wpdb;
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		return $this->enqueue_all_ids_as_action( 'jetpack_full_sync_posts', $wpdb->posts, 'ID', $this->get_where_sql( $config ), $max_items_to_enqueue, $state );
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	}
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	public function estimate_full_sync_actions( $config ) {
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		global $wpdb;
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		$query = "SELECT count(*) FROM $wpdb->posts WHERE " . $this->get_where_sql( $config );
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		$count = $wpdb->get_var( $query );
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		return (int) ceil( $count / self::ARRAY_CHUNK_SIZE );
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	}
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	private function get_where_sql( $config ) {
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		$where_sql = Jetpack_Sync_Settings::get_blacklisted_post_types_sql();
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		// config is a list of post IDs to sync
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		if ( is_array( $config ) ) {
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			$where_sql .= ' AND ID IN (' . implode( ',', array_map( 'intval', $config ) ) . ')';
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		}
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		return $where_sql;
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	}
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	function get_full_sync_actions() {
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		return array( 'jetpack_full_sync_posts' );
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	}
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	/**
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	 * Process content before send
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	 *
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	 * @param array $args wp_insert_post arguments
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	 *
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	 * @return array
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	 */
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	function expand_wp_insert_post( $args ) {
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		return array( $args[0], $this->filter_post_content_and_add_links( $args[1] ), $args[2] );
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	}
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	function filter_blacklisted_post_types( $args ) {
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		$post = $args[1];
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		if ( in_array( $post->post_type, Jetpack_Sync_Settings::get_setting( 'post_types_blacklist' ) ) ) {
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			return false;
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		}
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		return $args;
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	}
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	// Meta
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	function filter_meta( $args ) {
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		if ( $this->is_post_type_allowed( $args[1] ) && $this->is_whitelisted_post_meta( $args[2] ) ) {
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			return $args;
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		}
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		return false;
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	}
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	function is_whitelisted_post_meta( $meta_key ) {
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		// _wpas_skip_ is used by publicize
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		return in_array( $meta_key, Jetpack_Sync_Settings::get_setting( 'post_meta_whitelist' ) ) || wp_startswith( $meta_key, '_wpas_skip_' );
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	}
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	function is_post_type_allowed( $post_id ) {
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		$post = get_post( $post_id );
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		return ! in_array( $post->post_type, Jetpack_Sync_Settings::get_setting( 'post_types_blacklist' ) );
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	}
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	function remove_embed() {
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		global $wp_embed;
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		remove_filter( 'the_content', array( $wp_embed, 'run_shortcode' ), 8 );
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		// remove the embed shortcode since we would do the part later.
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		remove_shortcode( 'embed' );
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		// Attempts to embed all URLs in a post
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		remove_filter( 'the_content', array( $wp_embed, 'autoembed' ), 8 );
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	}
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	function add_embed() {
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		global $wp_embed;
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		add_filter( 'the_content', array( $wp_embed, 'run_shortcode' ), 8 );
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		// Shortcode placeholder for strip_shortcodes()
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		add_shortcode( 'embed', '__return_false' );
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		// Attempts to embed all URLs in a post
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		add_filter( 'the_content', array( $wp_embed, 'autoembed' ), 8 );
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	}
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	// Expands wp_insert_post to include filtered content
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	function filter_post_content_and_add_links( $post_object ) {
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		global $post;
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		$post = $post_object;
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		// return non existant post 
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		$post_type = get_post_type_object( $post->post_type );
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		if ( empty( $post_type ) || ! is_object( $post_type ) ) {
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			$non_existant_post                    = new stdClass();
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			$non_existant_post->ID                = $post->ID;
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			$non_existant_post->post_modified     = $post->post_modified;
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			$non_existant_post->post_modified_gmt = $post->post_modified_gmt;
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			$non_existant_post->post_status       = 'jetpack_sync_non_registered_post_type';
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			return $non_existant_post;
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		}
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		/**
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		 * Filters whether to prevent sending post data to .com
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		 *
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		 * Passing true to the filter will prevent the post data from being sent
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		 * to the WordPress.com.
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		 * Instead we pass data that will still enable us to do a checksum against the
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		 * Jetpacks data but will prevent us from displaying the data on in the API as well as
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		 * other services.
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		 * @since 4.2.0
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		 *
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		 * @param boolean false prevent post data from being synced to WordPress.com
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		 * @param mixed $post WP_POST object
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		 */
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		if ( apply_filters( 'jetpack_sync_prevent_sending_post_data', false, $post ) ) {
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			// We only send the bare necessary object to be able to create a checksum.
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			$blocked_post                    = new stdClass();
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			$blocked_post->ID                = $post->ID;
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			$blocked_post->post_modified     = $post->post_modified;
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			$blocked_post->post_modified_gmt = $post->post_modified_gmt;
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			$blocked_post->post_status       = 'jetpack_sync_blocked';
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			return $blocked_post;
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		}
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		// lets not do oembed just yet.
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		$this->remove_embed();
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		if ( 0 < strlen( $post->post_password ) ) {
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			$post->post_password = 'auto-' . wp_generate_password( 10, false );
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		}
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		/** This filter is already documented in core. wp-includes/post-template.php */
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		if ( Jetpack_Sync_Settings::get_setting( 'render_filtered_content' ) && $post_type->public ) {
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			global $shortcode_tags;
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			/**
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			 * Filter prevents some shortcodes from expanding.
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			 *
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			 * Since we can can expand some type of shortcode better on the .com side and make the
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			 * expansion more relevant to contexts. For example [galleries] and subscription emails
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			 *
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			 * @since 4.5.0
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			 *
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			 * @param array of shortcode tags to remove.
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			 */
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			$shortcodes_to_remove        = apply_filters( 'jetpack_sync_do_not_expand_shortcodes', array(
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				'gallery',
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				'slideshow'
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			) );
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			$removed_shortcode_callbacks = array();
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			foreach ( $shortcodes_to_remove as $shortcode ) {
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				if ( isset ( $shortcode_tags[ $shortcode ] ) ) {
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					$removed_shortcode_callbacks[ $shortcode ] = $shortcode_tags[ $shortcode ];
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				}
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			}
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			array_map( 'remove_shortcode', array_keys( $removed_shortcode_callbacks ) );
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			$post->post_content_filtered = apply_filters( 'the_content', $post->post_content );
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			$post->post_excerpt_filtered = apply_filters( 'the_excerpt', $post->post_excerpt );
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			foreach ( $removed_shortcode_callbacks as $shortcode => $callback ) {
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				add_shortcode( $shortcode, $callback );
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			}
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		}
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		$this->add_embed();
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		if ( has_post_thumbnail( $post->ID ) ) {
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			$image_attributes = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'full' );
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			if ( is_array( $image_attributes ) && isset( $image_attributes[0] ) ) {
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				$post->featured_image = $image_attributes[0];
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			}
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		}
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		$post->permalink = get_permalink( $post->ID );
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		$post->shortlink = wp_get_shortlink( $post->ID );
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		return $post;
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	}
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	public function save_published( $new_status, $old_status, $post ) {
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		if ( 'publish' === $new_status && 'publish' !== $old_status ) {
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			$this->just_published[] = $post->ID;
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		}
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	}
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	public function wp_insert_post( $post_ID, $post, $update ) {
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		call_user_func( $this->action_handler, $post_ID, $post, $update );
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		$this->send_published( $post_ID, $post );
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	}
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	public function send_published( $post_ID, $post ) {
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		if ( ! in_array( $post_ID, $this->just_published ) ) {
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			return;
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		}
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		// Post revisions cause race conditions where this send_published add the action before the actual post gets synced
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		if ( wp_is_post_autosave( $post ) || wp_is_post_revision( $post ) ) {
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			return;
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		}
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		/**
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		 * Filter that is used to add to the post flags ( meta data ) when a post gets published
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		 *
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		 * @since 4.4.0
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		 *
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		 * @param mixed array post flags that are added to the post
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		 * @param mixed $post WP_POST object
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		 */
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		$flags = apply_filters( 'jetpack_published_post_flags', array(), $post );
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		/**
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		 * Action that gets synced when a post type gets published.
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		 *
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		 * @since 4.4.0
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		 *
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		 * @param int $post_ID
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		 * @param mixed array $flags post flags that are added to the post
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		 */
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		do_action( 'jetpack_published_post', $post_ID, $flags );
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		$this->just_published = array_diff( $this->just_published, array( $post_ID ) );
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	}
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	public function expand_post_ids( $args ) {
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		$post_ids = $args[0];
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		$posts = array_filter( array_map( array( 'WP_Post', 'get_instance' ), $post_ids ) );
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		$posts = array_map( array( $this, 'filter_post_content_and_add_links' ), $posts );
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		$posts = array_values( $posts ); // reindex in case posts were deleted
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		return array(
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			$posts,
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			$this->get_metadata( $post_ids, 'post', Jetpack_Sync_Settings::get_setting( 'post_meta_whitelist' ) ),
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			$this->get_term_relationships( $post_ids ),
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		);
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	}
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}
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