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<?php error_reporting(-1); class Y { function bar() { var_dump(get_called_class()); } } class X { function foo() { Y::bar(); } } (new X)->foo();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Non-static method Y::bar() cannot be called statically in /in/1o8Xv:5 Stack trace: #0 /in/1o8Xv(6): X->foo() #1 {main} thrown in /in/1o8Xv on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Deprecated: Non-static method Y::bar() should not be called statically in /in/1o8Xv on line 5 string(1) "Y"
Output for 5.6.7 - 5.6.28
Deprecated: Non-static method Y::bar() should not be called statically, assuming $this from incompatible context in /in/1o8Xv on line 5 string(1) "X"
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Strict Standards: Non-static method Y::bar() should not be called statically, assuming $this from incompatible context in /in/1o8Xv on line 5 string(1) "X"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/1o8Xv on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/1o8Xv on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/1o8Xv on line 6
Process exited with code 255.

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