3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (preg_match('/[^a-z_\-0-9]/i', '/dani') echo 'ok'; else echo 'not ok';
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/MiKbY on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ECHO in /in/MiKbY on line 5
Process exited with code 255.
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183.64 ms | 1395 KiB | 66 Q