3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo($bar = 'baz') { $foo = $baz; $foo.= 'foo'; return $foo; } $foo = foo('foo'); echo $foo;
Output for 5.5.0 - 7.2.0
Notice: Undefined variable: baz in /in/5eNoH on line 5 foo
Output for 4.3.0 - 5.4.45
foo