3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 101; switch (true) { default: less: echo "$foo < 100!"; break; default: more: echo "$foo > 100!"; break; default: same: echo "$foo == 100!"; break; default: if ($foo < 100) { goto less; } elseif ($foo > 100) { goto more; } else { goto same; } break; }
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
Notice: Undefined variable: foo in /in/j9Ffk on line 18 Notice: Undefined variable: foo in /in/j9Ffk on line 7 < 100!

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206.5 ms | 1396 KiB | 109 Q