- Output for 7.1.0 - 7.1.25, 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 - 8.1.30, 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
- string(1) "a" string(1) "a"
- Output for 5.6.38
- string(1) "b" string(1) "b"
<?php
$array = ['a' => 1, 'b' => 2];
foreach($array as $a) {
var_dump(key($array));
}