3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public function test(A $a) { } } class B extends A { public function test(B $b) { parent::test($b); } } $a = new A; $b = new B; $b->test($b);
Output for 7.0.0 - 7.1.0
Warning: Declaration of B::test(B $b) should be compatible with A::test(A $a) in /in/uS2P4 on line 18
Output for 5.4.0 - 5.6.28
Strict Standards: Declaration of B::test() should be compatible with A::test(A $a) in /in/uS2P4 on line 18
Output for 5.0.0 - 5.3.29
Strict Standards: Declaration of B::test() should be compatible with that of A::test() in /in/uS2P4 on line 18
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/uS2P4 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/uS2P4 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/uS2P4 on line 5
Process exited with code 255.