3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { function foo() { if (isset($this)) { echo '$this is defined ('; echo get_class($this); echo ")\n"; } else { echo "\$this is not defined.\n"; } } } // this will print '$this is defined (A)' $a = new A(); $a->foo();
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
$this is defined (A)
Output for 4.3.0 - 4.4.9
$this is defined (a)