<?php
if( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
if( ! class_exists('acf_location_page_parent') ) :
class acf_location_page_parent extends acf_location {
/*
* __construct
*
* This function will setup the class functionality
*
* @type function
* @date 5/03/2014
* @since 5.0.0
*
* @param n/a
* @return n/a
*/
function initialize() {
// vars
$this->name = 'page_parent';
$this->label = __("Page Parent",'acf');
$this->category = 'page';
}
/*
* rule_match
*
* This function is used to match this location $rule to the current $screen
*
* @type function
* @date 3/01/13
* @since 3.5.7
*
* @param $match (boolean)
* @param $rule (array)
* @return $options (array)
*/
function rule_match( $result, $rule, $screen ) {
// vars
$post_id = acf_maybe_get( $screen, 'post_id' );
$page_parent = acf_maybe_get( $screen, 'page_parent' );
// no page parent
if( $page_parent === null ) {
// bail early if no post id
if( !$post_id ) return false;
// get post parent
$post = get_post( $post_id );
$page_parent = $post->post_parent;
}
// compare
return $this->compare( $page_parent, $rule );
}
/*
* rule_operators
*
* This function returns the available values for this rule type
*
* @type function
* @date 30/5/17
* @since 5.6.0
*
* @param n/a
* @return (array)
*/
function rule_values( $choices, $rule ) {
return acf_get_location_rule('page')->rule_values( $choices, $rule );
}
}
// initialize
acf_register_location_rule( 'acf_location_page_parent' );
endif; // class_exists check
?>