3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 1; switch($bar=$foo++) { baz: case (++$bar==$foo--): $foo=$bar; continue; default: goto baz; } ?>
Output for 5.4.0 - 5.4.26
Parse error: syntax error, unexpected 'baz' (T_STRING), expecting case (T_CASE) or default (T_DEFAULT) or '}' in /in/16eKV on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING, expecting T_CASE or T_DEFAULT or '}' in /in/16eKV on line 4
Process exited with code 255.
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