3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $c=' <?php $c=\'%s\'; printf($c, $c);'; printf(addslashes($c), "c");
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
<?php $c=\'c\'; printf($c, $c);