3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [ 'id' => 1, 'pid' => 1, 'name' => 'admin', 'children' => [ 'id' => 158, 'pid' => 1, 'name' => '000c', 'children' => [ ['id' => 93, 'pid' => 72, 'name' => '000c11'], ['id' => 96, 'pid' => 72, 'name' => '000c12'], ] ] ] ]; $arr = []; array_walk_recursive($array, function($v, $k, &$arr) { if($k === "name") $arr[] = $v; }, $arr); $arr = array_reverse($arr); print_r($arr);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Warning: {closure}(): Argument #3 ($arr) must be passed by reference, value given in /in/bo3lv on line 19 Array ( )

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