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<?php $nu_array = null; $callback = function ( $item ) use(&$nu_array) { $nu_array[] = $item; }; $array = array('a',array('b',1,2),'c',array(,3,4,5,array(6,7,array(8)))); array_walk_recursive($array, $callback); print_r($nu_array); /** Array ( [0] => apple [1] => sky [2] => juice ) **/
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.34
Parse error: syntax error, unexpected ',', expecting ')' in /in/6dOob on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/6dOob on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/6dOob on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/6dOob on line 3
Process exited with code 255.
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245.29 ms | 1395 KiB | 124 Q