3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $string = "hello, my, name, is, az"; echo substr($string, 0, strpos(string, ','));
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant string - assumed 'string' in /in/naL81 on line 4