acf/location/rule_match/(param) │ filter-hook │ ACF 1.0

Usage

add_filter( 'acf/location/rule_match/(param)', 'wp_kama_acf_location_rule_match_param_filter', 10, 4 );

/**
 * Function for `acf/location/rule_match/(param)` filter-hook.
 * 
 * @param  $result      
 * @param  $rule        
 * @param  $screen      
 * @param  $field_group 
 *
 * @return 
 */
function wp_kama_acf_location_rule_match_param_filter( $result, $rule, $screen, $field_group ){
	// filter...
	return $result;
}

$result

-

$rule

-

$screen

-

$field_group

-

Where the hook is called

$result = apply_filters( "acf/location/rule_match/{$rule['param']}", $result, $rule, $screen, $field_group );

Where the hook is used in Advanced Custom Fields PRO

add_filter( "acf/location/rule_match/{$this->name}", array( $this, 'rule_match' ), 5, 3 );