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<?php
namespace Vanderlee\Comprehend\Match\Output;
trait CallbackTrait
{
/**
* List of ordinary callbacks to process.
*
* @var callable[]
*/
private $customCallbacks = [];
* Add a callback to this match, to be called after parsing is finished and
* only if this match was part of the matched rules.
* @param callable $callback
* @return $this
public function addCustomCallback(callable $callback)
$this->customCallbacks[] = $callback;
return $this;
}
* Handle all registered custom callbacks for this match and any matches
* at deeper levels of this match.
private function processCustomCallbacks()
/** @var self $success */
foreach ($this->successes as $success) {
$success->processCustomCallbacks();
foreach ($this->customCallbacks as $callback) {
$callback();
public function getCallback()
$this->processCustomCallbacks();
vanderlee /
Comprehend
