3v4l.org

run code in 300+ PHP versions simultaneously
<?php $l = 'a'; $i = 0; $a = []; while($i++ < 1000) { $md5 = md5($l++); if(substr($md5, 0, 2) === '0e') { $a[] = $md5; } } echo '<pre>'; print_r($a);
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<pre>Array ( [0] => 0ecbf9426bcfbd9a086ded5fc8c4eca8 [1] => 0e2afbe79bacc08410665f049d5208fa [2] => 0ecb2b966eca6994910caee2947f6679 [3] => 0e2124e8c659542fe830c3131799765c [4] => 0e60dec2ca8cc1bf1f99088d61e4d9a3 [5] => 0e63fd371867b2c8a4873437d634526b [6] => 0ed2385b5c7d7cc14b6dc51bfb3902b5 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/N4t7S on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/N4t7S on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/N4t7S on line 5
Process exited with code 255.

preferences:
264.41 ms | 401 KiB | 328 Q