3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = null var_dump(is_set($d['foo'));
Output for 5.4.0 - 5.4.13
Parse error: syntax error, unexpected 'var_dump' (T_STRING) in /in/7gVaN on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.23
Parse error: syntax error, unexpected T_STRING in /in/7gVaN on line 3
Process exited with code 255.
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175.15 ms | 1395 KiB | 45 Q