3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public $callBack; public function foo() { $self = $this; $calBack = $this->callBack; $calBack(); } } class B { public function hello() { echo "Nyan"; } public function bar(A $a) { $self = $this; $a->callBack = function() use ($self) { $self->hello(); }; $a->foo(); } } $b = new B(); $b->bar(new A());
based on shkGH
Output for 5.3.0 - 7.1.0
Nyan
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/D6uZ4 on line 24
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/D6uZ4 on line 24
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/D6uZ4 on line 3
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/D6uZ4 on line 3
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/D6uZ4 on line 3
Process exited with code 255.