3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { protected $b; public function a() { return $this->b->b(); } } $impl = new A(); $impl->a(); call_user_func(null);
based on uAO3A
Output for 7.0.0 - 7.1.0
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; A has a deprecated constructor in /in/H9lhL on line 3 Fatal error: Uncaught Error: Call to a member function b() on null in /in/H9lhL:8 Stack trace: #0 /in/H9lhL(12): A->a() #1 {main} thrown in /in/H9lhL on line 8
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Uncaught exception 'BadMethodCallException' with message 'Call to a member function b() on a non-object (null)' in /in/H9lhL:8 Stack trace: #0 /in/H9lhL(12): A->a() #1 {main}
Process exited with code 255.
Output for 5.6.7 - 5.6.28
Fatal error: Call to a member function b() on null in /in/H9lhL on line 8
Process exited with code 255.
Output for 5.0.0 - 5.5.35
Fatal error: Call to a member function b() on a non-object in /in/H9lhL on line 8
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/H9lhL on line 5
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/H9lhL on line 5
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/H9lhL on line 5
Process exited with code 255.