3v4l.org

run code in 300+ PHP versions simultaneously
<?php $c="<?php $c="%s"; echo sprintf($c, $c);"; echo sprintf($c, $c);
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '"' in /in/fJ14j on line 3
Process exited with code 255.
preferences:
160.03 ms | 1395 KiB | 53 Q