3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(0,1,2,3,4,5); $b = array(4,0,1,2,3,5); foreach($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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 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 - 8.3.4, 8.3.6
0 -> 4 0 -> 1 0 -> 2 0 -> 3 0 -> 5 1 -> 4 2 -> 4 3 -> 4
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 0 -> 4 0 -> 1 0 -> 2 0 -> 3 0 -> 5 1 -> 4 2 -> 4 3 -> 4
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/LQDgm on line 9 0 -> 4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LQDgm on line 9 0 -> 1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LQDgm on line 9 0 -> 2PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LQDgm on line 9 0 -> 3PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LQDgm on line 9 0 -> 5PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LQDgm on line 9 1 -> 4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LQDgm on line 9 2 -> 4PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/LQDgm on line 9 3 -> 4PHP_EOL
preferences:
318.99 ms | 403 KiB | 422 Q