<h3>Düzenle: class-wp-post.php</h3>
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/**
 * Post API: WP_Post class
 *
 * @package WordPress
 * @subpackage Post
 * @since 4.4.0
 */

/**
 * Core class used to implement the WP_Post object.
 *
 * @since 3.5.0
 *
 * @property string $page_template
 *
 * @property-read int[]    $ancestors
 * @property-read int[]    $post_category
 * @property-read string[] $tags_input
 */
#[AllowDynamicProperties]
final class WP_Post {

	/**
	 * Post ID.
	 *
	 * @since 3.5.0
	 * @var int
	 */
	public $ID;

	/**
	 * ID of post author.
	 *
	 * A numeric string, for compatibility reasons.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_author = &#039;0&#039;;

	/**
	 * The post&#039;s local publication time.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_date = &#039;0000-00-00 00:00:00&#039;;

	/**
	 * The post&#039;s GMT publication time.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_date_gmt = &#039;0000-00-00 00:00:00&#039;;

	/**
	 * The post&#039;s content.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_content = &#039;&#039;;

	/**
	 * The post&#039;s title.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_title = &#039;&#039;;

	/**
	 * The post&#039;s excerpt.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_excerpt = &#039;&#039;;

	/**
	 * The post&#039;s status.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_status = &#039;publish&#039;;

	/**
	 * Whether comments are allowed.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $comment_status = &#039;open&#039;;

	/**
	 * Whether pings are allowed.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $ping_status = &#039;open&#039;;

	/**
	 * The post&#039;s password in plain text.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_password = &#039;&#039;;

	/**
	 * The post&#039;s slug.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_name = &#039;&#039;;

	/**
	 * URLs queued to be pinged.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $to_ping = &#039;&#039;;

	/**
	 * URLs that have been pinged.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $pinged = &#039;&#039;;

	/**
	 * The post&#039;s local modified time.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_modified = &#039;0000-00-00 00:00:00&#039;;

	/**
	 * The post&#039;s GMT modified time.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_modified_gmt = &#039;0000-00-00 00:00:00&#039;;

	/**
	 * A utility DB field for post content.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_content_filtered = &#039;&#039;;

	/**
	 * ID of a post&#039;s parent post.
	 *
	 * @since 3.5.0
	 * @var int
	 */
	public $post_parent = 0;

	/**
	 * The unique identifier for a post, not necessarily a URL, used as the feed GUID.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $guid = &#039;&#039;;

	/**
	 * A field used for ordering posts.
	 *
	 * @since 3.5.0
	 * @var int
	 */
	public $menu_order = 0;

	/**
	 * The post&#039;s type, like post or page.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_type = &#039;post&#039;;

	/**
	 * An attachment&#039;s mime type.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $post_mime_type = &#039;&#039;;

	/**
	 * Cached comment count.
	 *
	 * A numeric string, for compatibility reasons.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $comment_count = &#039;0&#039;;

	/**
	 * Stores the post object&#039;s sanitization level.
	 *
	 * Does not correspond to a DB field.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	public $filter;

	/**
	 * Retrieve WP_Post instance.
	 *
	 * @since 3.5.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param int $post_id Post ID.
	 * @return WP_Post|false Post object, false otherwise.
	 */
	public static function get_instance( $post_id ) {
		global $wpdb;

		$post_id = (int) $post_id;
		if ( ! $post_id ) {
			return false;
		}

		$_post = wp_cache_get( $post_id, &#039;posts&#039; );

		if ( ! $_post ) {
			$_post = $wpdb-&gt;get_row( $wpdb-&gt;prepare( &quot;SELECT * FROM $wpdb-&gt;posts WHERE ID = %d LIMIT 1&quot;, $post_id ) );

			if ( ! $_post ) {
				return false;
			}

			$_post = sanitize_post( $_post, &#039;raw&#039; );
			wp_cache_add( $_post-&gt;ID, $_post, &#039;posts&#039; );
		} elseif ( empty( $_post-&gt;filter ) || &#039;raw&#039; !== $_post-&gt;filter ) {
			$_post = sanitize_post( $_post, &#039;raw&#039; );
		}

		return new WP_Post( $_post );
	}

	/**
	 * Constructor.
	 *
	 * @since 3.5.0
	 *
	 * @param WP_Post|object $post Post object.
	 */
	public function __construct( $post ) {
		foreach ( get_object_vars( $post ) as $key =&gt; $value ) {
			$this-&gt;$key = $value;
		}
	}

	/**
	 * Isset-er.
	 *
	 * @since 3.5.0
	 *
	 * @param string $key Property to check if set.
	 * @return bool
	 */
	public function __isset( $key ) {
		if ( &#039;ancestors&#039; === $key ) {
			return true;
		}

		if ( &#039;page_template&#039; === $key ) {
			return true;
		}

		if ( &#039;post_category&#039; === $key ) {
			return true;
		}

		if ( &#039;tags_input&#039; === $key ) {
			return true;
		}

		return metadata_exists( &#039;post&#039;, $this-&gt;ID, $key );
	}

	/**
	 * Getter.
	 *
	 * @since 3.5.0
	 *
	 * @param string $key Key to get.
	 * @return mixed
	 */
	public function __get( $key ) {
		if ( &#039;page_template&#039; === $key &amp;&amp; $this-&gt;__isset( $key ) ) {
			return get_post_meta( $this-&gt;ID, &#039;_wp_page_template&#039;, true );
		}

		if ( &#039;post_category&#039; === $key ) {
			if ( is_object_in_taxonomy( $this-&gt;post_type, &#039;category&#039; ) ) {
				$terms = get_the_terms( $this, &#039;category&#039; );
			}

			if ( empty( $terms ) ) {
				return array();
			}

			return wp_list_pluck( $terms, &#039;term_id&#039; );
		}

		if ( &#039;tags_input&#039; === $key ) {
			if ( is_object_in_taxonomy( $this-&gt;post_type, &#039;post_tag&#039; ) ) {
				$terms = get_the_terms( $this, &#039;post_tag&#039; );
			}

			if ( empty( $terms ) ) {
				return array();
			}

			return wp_list_pluck( $terms, &#039;name&#039; );
		}

		// Rest of the values need filtering.
		if ( &#039;ancestors&#039; === $key ) {
			$value = get_post_ancestors( $this );
		} else {
			$value = get_post_meta( $this-&gt;ID, $key, true );
		}

		if ( $this-&gt;filter ) {
			$value = sanitize_post_field( $key, $value, $this-&gt;ID, $this-&gt;filter );
		}

		return $value;
	}

	/**
	 * {@Missing Summary}
	 *
	 * @since 3.5.0
	 *
	 * @param string $filter Filter.
	 * @return WP_Post
	 */
	public function filter( $filter ) {
		if ( $this-&gt;filter === $filter ) {
			return $this;
		}

		if ( &#039;raw&#039; === $filter ) {
			return self::get_instance( $this-&gt;ID );
		}

		return sanitize_post( $this, $filter );
	}

	/**
	 * Convert object to array.
	 *
	 * @since 3.5.0
	 *
	 * @return array Object as array.
	 */
	public function to_array() {
		$post = get_object_vars( $this );

		foreach ( array( &#039;ancestors&#039;, &#039;page_template&#039;, &#039;post_category&#039;, &#039;tags_input&#039; ) as $key ) {
			if ( $this-&gt;__isset( $key ) ) {
				$post[ $key ] = $this-&gt;__get( $key );
			}
		}

		return $post;
	}
}
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