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- if( ! function_exists( 'remove_class_filter' ) ){
- /**
- * Remove Class Filter Without Access to Class Object
- *
- * In order to use the core WordPress remove_filter() on a filter added with the callback
- * to a class, you either have to have access to that class object, or it has to be a call
- * to a static method. This method allows you to remove filters with a callback to a class
- * you don't have access to.
- *
- * Works with WordPress 1.2+ (4.7+ support added 9-19-2016)
- * Updated 2-27-2017 to use internal WordPress removal for 4.7+ (to prevent PHP warnings output)
- *
- * @param string $tag Filter to remove
- * @param string $class_name Class name for the filter's callback
- * @param string $method_name Method name for the filter's callback
- * @param int $priority Priority of the filter (default 10)
- *
- * @return bool Whether the function is removed.
- */
- function remove_class_filter( $tag, $class_name = '', $method_name = '', $priority = 10 ) {
- global $wp_filter;
- // Check that filter actually exists first
- if ( ! isset( $wp_filter[ $tag ] ) ) {
- return FALSE;
- }
- /**
- * If filter config is an object, means we're using WordPress 4.7+ and the config is no longer
- * a simple array, rather it is an object that implements the ArrayAccess interface.
- *
- * To be backwards compatible, we set $callbacks equal to the correct array as a reference (so $wp_filter is updated)
- *
- * @see https://make.wordpress.org/core/2016/09/08/wp_hook-next-generation-actions-and-filters/
- */
- if ( is_object( $wp_filter[ $tag ] ) && isset( $wp_filter[ $tag ]->callbacks ) ) {
- // Create $fob object from filter tag, to use below
- $fob = $wp_filter[ $tag ];
- $callbacks = &$wp_filter[ $tag ]->callbacks;
- } else {
- $callbacks = &$wp_filter[ $tag ];
- }
- // Exit if there aren't any callbacks for specified priority
- if ( ! isset( $callbacks[ $priority ] ) || empty( $callbacks[ $priority ] ) ) {
- return FALSE;
- }
- // Loop through each filter for the specified priority, looking for our class & method
- foreach ( (array) $callbacks[ $priority ] as $filter_id => $filter ) {
- // Filter should always be an array - array( $this, 'method' ), if not goto next
- if ( ! isset( $filter['function'] ) || ! is_array( $filter['function'] ) ) {
- continue;
- }
- // If first value in array is not an object, it can't be a class
- if ( ! is_object( $filter['function'][0] ) ) {
- continue;
- }
- // Method doesn't match the one we're looking for, goto next
- if ( $filter['function'][1] !== $method_name ) {
- continue;
- }
- // Method matched, now let's check the Class
- if ( get_class( $filter['function'][0] ) === $class_name ) {
- // WordPress 4.7+ use core remove_filter() since we found the class object
- if ( isset( $fob ) ) {
- // Handles removing filter, reseting callback priority keys mid-iteration, etc.
- $fob->remove_filter( $tag, $filter['function'], $priority );
- } else {
- // Use legacy removal process (pre 4.7)
- unset( $callbacks[ $priority ][ $filter_id ] );
- // and if it was the only filter in that priority, unset that priority
- if ( empty( $callbacks[ $priority ] ) ) {
- unset( $callbacks[ $priority ] );
- }
- // and if the only filter for that tag, set the tag to an empty array
- if ( empty( $callbacks ) ) {
- $callbacks = array();
- }
- // Remove this filter from merged_filters, which specifies if filters have been sorted
- unset( $GLOBALS['merged_filters'][ $tag ] );
- }
- return TRUE;
- }
- }
- return FALSE;
- }
- }
- add_filter( 'wp_insert_post_data' , function() {
- remove_class_filter( 'wp_insert_post_data', 'mangopayWCAdmin', 'post_save_preauth_process', '99' );
- }, 98 );
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