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<?php class A { public function test(A $a) { var_dump($a); } } class B extends A { public function test(B $b) { parent::test($b); } } $a = new A; $b = new B; $b->test($a);
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/BfA93 on line 18 Fatal error: Uncaught TypeError: Argument 1 passed to B::test() must be an instance of B, instance of A given, called in /in/BfA93 on line 23 and defined in /in/BfA93:14 Stack trace: #0 /in/BfA93(23): B->test(Object(A)) #1 {main} thrown in /in/BfA93 on line 14
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Strict Standards: Declaration of B::test() should be compatible with A::test(A $a) in /in/BfA93 on line 18 Catchable fatal error: Argument 1 passed to B::test() must be an instance of B, instance of A given, called in /in/BfA93 on line 23 and defined in /in/BfA93 on line 14
Process exited with code 255.
Output for 5.2.0 - 5.3.29
Strict Standards: Declaration of B::test() should be compatible with that of A::test() in /in/BfA93 on line 18 Catchable fatal error: Argument 1 passed to B::test() must be an instance of B, instance of A given, called in /in/BfA93 on line 23 and defined in /in/BfA93 on line 14
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Strict Standards: Declaration of B::test() should be compatible with that of A::test() in /in/BfA93 on line 18 Fatal error: Argument 1 passed to B::test() must be an instance of B, called in /in/BfA93 on line 23 and defined in /in/BfA93 on line 14
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Strict Standards: Declaration of B::test() should be compatible with that of A::test() in /in/BfA93 on line 18 Fatal error: Argument 1 must be an instance of B in /in/BfA93 on line 14
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/BfA93 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/BfA93 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/BfA93 on line 5
Process exited with code 255.