wp-includes/class-wp-post.php:353Getter.
$keystringmixed public function __get( $key ) { if ( 'page_template' === $key && $this->__isset( $key ) ) { return get_post_meta( $this->ID, '_wp_page_template', true ); } if ( 'post_category' === $key ) { if ( is_object_in_taxonomy( $this->post_type, 'category' ) ) { $terms = get_the_terms( $this, 'category' ); } if ( empty( $terms ) || $terms instanceof WP_Error ) { return array(); } return wp_list_pluck( $terms, 'term_id' ); } if ( 'tags_input' === $key ) { if ( is_object_in_taxonomy( $this->post_type, 'post_tag' ) ) { $terms = get_the_terms( $this, 'post_tag' ); } if ( empty( $terms ) || $terms instanceof WP_Error ) { return array(); } return wp_list_pluck( $terms, 'name' ); } // Rest of the values need filtering. if ( 'ancestors' === $key ) { $value = get_post_ancestors( $this ); } else { $value = get_post_meta( $this->ID, $key, true ); } if ( $this->filter ) { $value = sanitize_post_field( $key, $value, $this->ID, $this->filter ); } return $value; }Introduced in 3.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-post.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.