3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 0x01; $b = 0x02; printf ("%x", ($a &lt;&lt; $b.$b));
Output for 5.3.0 - 5.4.14
Parse error: syntax error, unexpected ';' in /in/O85nA on line 5
Process exited with code 255.