3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { private $bar; public function __construct($value) { $this->bar = $value; } public function debugBar(Foo $object) { echo $object->bar, "\n"; } } class Baz extends Foo { } $o1 = new Foo(1); $o2 = new Baz(2); $o1->debugBar($o2); $o1->debugBar($o1);
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2 1
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Y27Si on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Y27Si on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/Y27Si on line 4
Process exited with code 255.