3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(0,1,2,3,4,5); $b = array(0,1,2,3,4,5); foreach($a as $aa) { foreach($b as $bb) { if ($aa == $bb) continue; if ($aa > $bb) continue 2; echo "$aa -> $bb" . PHP_EOL; } }
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 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
0 -> 1 0 -> 2 0 -> 3 0 -> 4 0 -> 5
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/mZhB3 on line 9 0 -> 1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/mZhB3 on line 9 0 -> 2PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/mZhB3 on line 9 0 -> 3PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/mZhB3 on line 9 0 -> 4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/mZhB3 on line 9 0 -> 5PHP_EOL

preferences:
245.14 ms | 403 KiB | 311 Q