3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Source: https://bugs.php.net/bug.php?id=62476 $a = array(); for ($d=55; $d<65; $d++) { $a[$d] = $d; } foreach($a as $b => $c){ echo "\$a[$b] == $c\n"; }
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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 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
$a[55] == 55 $a[56] == 56 $a[57] == 57 $a[58] == 58 $a[59] == 59 $a[60] == 60 $a[61] == 61 $a[62] == 62 $a[63] == 63 $a[64] == 64
preferences:
270.16 ms | 406 KiB | 354 Q