3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { private $bar; public function __construct($bar) { $this->bar = $bar; } public function do_foo() { $bar = $this->bar; $bar(); } } class Bar { public function __invoke() { $this->do_bar(); } public function do_bar() { echo __METHOD__, "\n"; } } $foo = new Foo(new Bar()); $foo->do_foo();
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Bar::do_bar
Output for 5.0.0 - 5.2.17
Fatal error: Function name must be a string in /in/Y20Lk on line 12
Process exited with code 255.
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/Y20Lk 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/Y20Lk 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/Y20Lk on line 4
Process exited with code 255.