<?php
function traverseArray(array $a, array $keys) {
$tmp = $a;
foreach ($keys as $key) {
if (!isset($tmp[$key])) {
return null;
}
$tmp = $tmp[$key];
}
return $tmp;
}
var_dump(traverseArray(array('a' => array('b' => array('c' => array('d' => 5)))), array('a', 'b', 'c', 'd')));
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- int(5)
preferences:
257.8 ms | 404 KiB | 342 Q