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<?php class A{ function foo() { if(isset($this)) { return true; } return false; } } $a = new A; var_dump(A::foo()); var_dump($a->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 A::foo() cannot be called statically in /in/RFRYu:15 Stack trace: #0 {main} thrown in /in/RFRYu on line 15
Process exited with code 255.
Output for 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Non-static method A::foo() should not be called statically in /in/RFRYu on line 15 bool(false) bool(true)
Output for 4.3.1 - 4.3.11, 4.4.0 - 4.4.9, 7.3.32 - 7.3.33
bool(false) bool(true)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Strict Standards: Non-static method A::foo() should not be called statically in /in/RFRYu on line 15 bool(false) bool(true)
Output for 4.3.0

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