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<?php $nu_array = null; $callback = function ( $item ) use(&$nu_array) { $nu_array[] = $item; }; $array = array('a',array(1,2,3),'b',array('c',4,5,array(6,7,array(8)))); array_walk_recursive($array, $callback); print_r($nu_array); /** Array ( [0] => apple [1] => sky [2] => juice ) **/
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => a [1] => 1 [2] => 2 [3] => 3 [4] => b [5] => c [6] => 4 [7] => 5 [8] => 6 [9] => 7 [10] => 8 )

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