: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
abstract class Controller {
private $actions = array();
private $filters = array();
public function should_run() {
if ( ! $this->should_run() ) {
foreach ( $this->actions as $action_hook => $actions ) {
foreach ( $actions as $action_args ) {
add_action( $action_hook, $action_args['callback'], $action_args['priority'], $action_args['accepted_args'] );
foreach ( $this->filters as $filter_hook => $filters ) {
foreach ( $filters as $filter_args ) {
add_filter( $filter_hook, $filter_args['callback'], $filter_args['priority'], $filter_args['accepted_args'] );
foreach ( $this->actions as $action_hook => $actions ) {
foreach ( $actions as $action_args ) {
remove_action( $action_hook, $action_args['callback'], $action_args['priority'] );
foreach ( $this->filters as $filter_hook => $filters ) {
foreach ( $filters as $filter_args ) {
remove_action( $filter_hook, $filter_args['callback'], $filter_args['priority'] );
public function register_action( $hook_name, $callback, $priority = 10, $accepted_args = 1 ) {
$this->actions[ $hook_name ][] = array(
'accepted_args' => $accepted_args,
public function register_filter( $hook_name, $callback, $priority = 10, $accepted_args = 1 ) {
$this->filters[ $hook_name ][] = array(
'accepted_args' => $accepted_args,