public function react($callback, $priority, $argument_count) { \WP_Mock::addHook($this->name); return isset($this->processors[$this->safe_offset($callback)]) && isset($this->processors[$this->safe_offset($callback)][$priority]) && isset($this->processors[$this->safe_offset($callback)][$priority][$argument_count]) ? $this->processors[$this->safe_offset($callback)][$priority][$argument_count]->react() : null; }