3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'foo'; switch ($foo) { case 'foo': echo "first foo\n"; case 'foo': echo "second foo\n"; default: echo "first default\n"; break; default: echo "second default\n"; }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
first foo second foo first default

preferences:
201.2 ms | 1396 KiB | 109 Q