3v4l.org

run code in 300+ PHP versions simultaneously
<?php $map = array(array('-1'=>0, '-10'=>0, '-100'=>0), array(array('-1'=>0, '-10'=>0, '-100'=>0))); // function ksort_recursive($array){ // if (is_array($array)) { // ksort($array); // foreach ($array as $k => $v) { // $array[$k] = call_user_func(__FUNCTION__, $v); // } // } // return $array; // } // $map = ksort_recursive($map); ksort($map[0]); ksort($map[0]); ksort($map[0]); ksort($map[1][0]); ksort($map[1][0]); ksort($map[1][0]); print_r($map);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Array ( [0] => Array ( [-100] => 0 [-10] => 0 [-1] => 0 ) [1] => Array ( [0] => Array ( [-100] => 0 [-10] => 0 [-1] => 0 ) ) )
preferences:
283.65 ms | 406 KiB | 461 Q