<?php $testArray = array(1, 'test' => array('a' => array('percy', 'mitch'),'b','c')); $helper = array(); array_walk_recursive( $testArray, function ($item, $key) use (&$helper) { if ($key === 'a') { //$helper[] = $item; var_dump($item); } } ); //var_dump($helper);
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