3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new __PHP_Incomplete_Class； echo $a; var_dump(serialize($a));
Output for 5.4.0 - 5.4.26
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/JmRlP on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ECHO in /in/JmRlP on line 3
Process exited with code 255.
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195.14 ms | 1395 KiB | 63 Q