3v4l.org

run code in 200+ 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 - 7.1.10
$this is defined (A)
Output for 4.3.0 - 4.4.9
$this is defined (a)