3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array("anahtar" => "değer"); print_r(array_map(function($a) { return array ($a); }, array_keys($arr),$arr));
Output for 7.0.0 - 7.0.31, 7.1.0 - 7.1.21, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Array ( [0] => Array ( [0] => anahtar ) )
preferences:
175.18 ms | 404 KiB | 205 Q