wp_ajax_delete_meta()

863function wp_ajax_delete_meta() {864	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;865 866	check_ajax_referer( "delete-meta_$id" );867	$meta = get_metadata_by_mid( 'post', $id );868 869	if ( ! $meta ) {870		wp_die( 1 );871	}872 873	if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $meta->post_id, $meta->meta_key ) ) {874		wp_die( -1 );875	}876 877	if ( delete_meta( $meta->meta_id ) ) {878		wp_die( 1 );879	}880 881	wp_die( 0 );882}