Reply To: Add condition: page parent for custom post types

• ethicka

• March 12, 2015 at 8:03 am

I fixed the rule_match function operator for != matches. It was set to

elseif ($rule['operator'] != "!="){

Instead of

elseif ($rule['operator'] == "!="){

This now works for me:

/*
ACF POST PARENT
*/
add_filter('acf/location/rule_types', 'acf_location_rules_types');
function acf_location_rules_types( $choices ) {
    $choices['Custom Post Types']['cpt_parent'] = 'Custom Post Type Parent';
    return $choices;
}
add_filter('acf/location/rule_values/cpt_parent', 'acf_location_rules_values_cpt_parent');
function acf_location_rules_values_cpt_parent( $choices ) {
	$args = array(
		'hierarchical' => true,
		'_builtin' => false,
		'public' => true
	);
    $posttypes = get_post_types( $args );

    if( $posttypes )
    {
        foreach( $posttypes as $posttype ):

			if( $posttype != 'acf' ):
				$args = array(
				'post_type' => $posttype,
				'posts_per_page' => -1,
				'post_status' => 'publish'
				);
				$customposts = get_posts( $args );
				if ( $customposts  ) {
					foreach( $customposts as $custompost ){
						$choices[ $custompost->ID] = $custompost->post_title;
					}
				}
			endif;
		endforeach;
	}

    return $choices;
}

//MATCH THE RULE
add_filter('acf/location/rule_match/cpt_parent', 'acf_location_rules_match_cpt_parent', 10, 3);
function acf_location_rules_match_cpt_parent( $match, $rule, $options ) {

	global $post;
	$selected_post = (int) $rule['value'];

	// post parent
	if($post) {
  	$post_parent = $post->post_parent;
  	if( $options['page_parent'] ) {
      	$post_parent = $options['page_parent'];
  	}
  	if ($rule['operator'] == "=="){
  		$match = ( $post_parent == $selected_post );
  	}
  	elseif ($rule['operator'] == "!="){
  		$match = ( $post_parent != $selected_post );
  	}
	}
  return $match;

}