3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo() { static $numCalls = 0; $numCalls++; print("this function has been executed " . numCalls . " times"); } foo();
Output for 7.2.0
Warning: Use of undefined constant numCalls - assumed 'numCalls' (this will throw an Error in a future version of PHP) in /in/jorHl on line 6 this function has been executed numCalls times
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant numCalls - assumed 'numCalls' in /in/jorHl on line 6 this function has been executed numCalls times