3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo md5(‘foo’).sha1('foo'); ?>
Output for 7.2.0
Warning: Use of undefined constant ‘foo’ - assumed '‘foo’' (this will throw an Error in a future version of PHP) in /in/S2dU3 on line 3 375858a0fdc51d21d1a57edf858a78bb0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant ‘foo’ - assumed '‘foo’' in /in/S2dU3 on line 3 375858a0fdc51d21d1a57edf858a78bb0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33