3v4l.org

run code in 300+ PHP versions simultaneously
<?php $c=' <?php $c=\'%s\'; printf($c, addslashes($c));'; printf($c, addslashes($c).11);
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '.11' (T_DNUMBER) in /in/gfLHA on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_DNUMBER in /in/gfLHA on line 6
Process exited with code 255.

preferences:
179.84 ms | 1395 KiB | 57 Q