389 lines
6.3 KiB
PHP
389 lines
6.3 KiB
PHP
<?php
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/**
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* Post API: WP_Post class
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*
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* @package WordPress
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* @subpackage Post
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* @since 4.4.0
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*/
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/**
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* Core class used to implement the WP_Post object.
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*
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* @since 3.5.0
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*
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* @property string $page_template
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*
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* @property-read int[] $ancestors
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* @property-read int[] $post_category
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* @property-read string[] $tags_input
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*/
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#[AllowDynamicProperties]
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final class WP_Post {
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/**
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* Post ID.
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*
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* @since 3.5.0
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* @var int
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*/
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public $ID;
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/**
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* ID of post author.
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*
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* A numeric string, for compatibility reasons.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_author = 0;
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/**
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* The post's local publication time.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_date = '0000-00-00 00:00:00';
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/**
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* The post's GMT publication time.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_date_gmt = '0000-00-00 00:00:00';
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/**
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* The post's content.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_content = '';
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/**
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* The post's title.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_title = '';
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/**
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* The post's excerpt.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_excerpt = '';
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/**
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* The post's status.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_status = 'publish';
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/**
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* Whether comments are allowed.
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*
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* @since 3.5.0
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* @var string
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*/
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public $comment_status = 'open';
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/**
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* Whether pings are allowed.
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*
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* @since 3.5.0
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* @var string
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*/
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public $ping_status = 'open';
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/**
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* The post's password in plain text.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_password = '';
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/**
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* The post's slug.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_name = '';
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/**
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* URLs queued to be pinged.
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*
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* @since 3.5.0
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* @var string
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*/
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public $to_ping = '';
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/**
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* URLs that have been pinged.
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*
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* @since 3.5.0
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* @var string
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*/
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public $pinged = '';
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/**
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* The post's local modified time.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_modified = '0000-00-00 00:00:00';
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/**
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* The post's GMT modified time.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_modified_gmt = '0000-00-00 00:00:00';
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/**
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* A utility DB field for post content.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_content_filtered = '';
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/**
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* ID of a post's parent post.
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*
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* @since 3.5.0
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* @var int
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*/
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public $post_parent = 0;
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/**
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* The unique identifier for a post, not necessarily a URL, used as the feed GUID.
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*
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* @since 3.5.0
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* @var string
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*/
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public $guid = '';
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/**
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* A field used for ordering posts.
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*
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* @since 3.5.0
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* @var int
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*/
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public $menu_order = 0;
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/**
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* The post's type, like post or page.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_type = 'post';
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/**
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* An attachment's mime type.
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*
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* @since 3.5.0
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* @var string
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*/
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public $post_mime_type = '';
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/**
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* Cached comment count.
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*
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* A numeric string, for compatibility reasons.
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*
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* @since 3.5.0
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* @var string
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*/
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public $comment_count = 0;
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/**
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* Stores the post object's sanitization level.
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*
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* Does not correspond to a DB field.
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*
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* @since 3.5.0
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* @var string
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*/
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public $filter;
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/**
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* Retrieve WP_Post instance.
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*
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* @since 3.5.0
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @param int $post_id Post ID.
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* @return WP_Post|false Post object, false otherwise.
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*/
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public static function get_instance( $post_id ) {
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global $wpdb;
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$post_id = (int) $post_id;
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if ( ! $post_id ) {
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return false;
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}
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$_post = wp_cache_get( $post_id, 'posts' );
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if ( ! $_post ) {
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$_post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d LIMIT 1", $post_id ) );
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if ( ! $_post ) {
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return false;
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}
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$_post = sanitize_post( $_post, 'raw' );
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wp_cache_add( $_post->ID, $_post, 'posts' );
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} elseif ( empty( $_post->filter ) || 'raw' !== $_post->filter ) {
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$_post = sanitize_post( $_post, 'raw' );
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}
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return new WP_Post( $_post );
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}
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/**
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* Constructor.
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*
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* @since 3.5.0
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*
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* @param WP_Post|object $post Post object.
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*/
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public function __construct( $post ) {
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foreach ( get_object_vars( $post ) as $key => $value ) {
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$this->$key = $value;
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}
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}
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/**
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* Isset-er.
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*
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* @since 3.5.0
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*
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* @param string $key Property to check if set.
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* @return bool
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*/
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public function __isset( $key ) {
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if ( 'ancestors' === $key ) {
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return true;
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}
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if ( 'page_template' === $key ) {
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return true;
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}
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if ( 'post_category' === $key ) {
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return true;
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}
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if ( 'tags_input' === $key ) {
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return true;
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}
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return metadata_exists( 'post', $this->ID, $key );
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}
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/**
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* Getter.
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*
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* @since 3.5.0
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*
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* @param string $key Key to get.
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* @return mixed
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*/
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public function __get( $key ) {
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if ( 'page_template' === $key && $this->__isset( $key ) ) {
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return get_post_meta( $this->ID, '_wp_page_template', true );
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}
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if ( 'post_category' === $key ) {
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if ( is_object_in_taxonomy( $this->post_type, 'category' ) ) {
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$terms = get_the_terms( $this, 'category' );
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}
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if ( empty( $terms ) ) {
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return array();
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}
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return wp_list_pluck( $terms, 'term_id' );
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}
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if ( 'tags_input' === $key ) {
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if ( is_object_in_taxonomy( $this->post_type, 'post_tag' ) ) {
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$terms = get_the_terms( $this, 'post_tag' );
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}
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if ( empty( $terms ) ) {
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return array();
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}
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return wp_list_pluck( $terms, 'name' );
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}
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// Rest of the values need filtering.
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if ( 'ancestors' === $key ) {
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$value = get_post_ancestors( $this );
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} else {
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$value = get_post_meta( $this->ID, $key, true );
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}
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if ( $this->filter ) {
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$value = sanitize_post_field( $key, $value, $this->ID, $this->filter );
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}
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return $value;
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}
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/**
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* {@Missing Summary}
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*
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* @since 3.5.0
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*
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* @param string $filter Filter.
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* @return WP_Post
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*/
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public function filter( $filter ) {
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if ( $this->filter === $filter ) {
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return $this;
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}
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if ( 'raw' === $filter ) {
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return self::get_instance( $this->ID );
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}
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return sanitize_post( $this, $filter );
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}
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/**
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* Convert object to array.
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*
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* @since 3.5.0
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*
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* @return array Object as array.
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*/
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public function to_array() {
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$post = get_object_vars( $this );
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foreach ( array( 'ancestors', 'page_template', 'post_category', 'tags_input' ) as $key ) {
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if ( $this->__isset( $key ) ) {
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$post[ $key ] = $this->__get( $key );
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}
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}
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return $post;
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}
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}
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