<?php
$b = [1, 2, 3];
foreach($b ?: [] as &$v){
$v = $v*2;
unset($v);
}
var_dump($b);
- Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- array(3) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
}
- Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
- array(3) {
[0]=>
int(2)
[1]=>
int(4)
[2]=>
int(6)
}
preferences:
184.26 ms | 402 KiB | 260 Q