3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_match('#^[a-z\d+\.-]+:\S+\z#i', 'ts3server://foo.bar) ? 'y' : 'n';
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected 'y' (T_STRING) in /in/MAG37 on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING in /in/MAG37 on line 3
Process exited with code 255.
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