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<?php class A{ static function foo() { if(isset($this)) { return true; } return false; } function bar() { return $this; } } class B{ function bb() { $a = new A(); echo __FUNCTION__;var_dump(A::bar()); echo __FUNCTION__;var_dump($a->bar()); } } $a = new A; var_dump(A::foo()); var_dump($a->foo()); $b = new B(); $b->bb();
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
bool(false) bool(false) bb Fatal error: Uncaught Error: Non-static method A::bar() cannot be called statically in /in/Cl6RT:21 Stack trace: #0 /in/Cl6RT(31): B->bb() #1 {main} thrown in /in/Cl6RT on line 21
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
bool(false) bool(false) bb Deprecated: Non-static method A::bar() should not be called statically in /in/Cl6RT on line 21 Fatal error: Uncaught Error: Using $this when not in object context in /in/Cl6RT:14 Stack trace: #0 /in/Cl6RT(21): A::bar() #1 /in/Cl6RT(31): B->bb() #2 {main} thrown in /in/Cl6RT on line 14
Process exited with code 255.
Output for 7.3.32 - 7.3.33
bool(false) bool(false) bb Fatal error: Uncaught Error: Using $this when not in object context in /in/Cl6RT:14 Stack trace: #0 /in/Cl6RT(21): A::bar() #1 /in/Cl6RT(31): B->bb() #2 {main} thrown in /in/Cl6RT on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.20
bool(false) bool(false) bb Deprecated: Non-static method A::bar() should not be called statically in /in/Cl6RT on line 21 Notice: Undefined variable: this in /in/Cl6RT on line 14 NULL bbobject(A)#3 (0) { }
Output for 5.6.8 - 5.6.28
bool(false) bool(false) bb Deprecated: Non-static method A::bar() should not be called statically, assuming $this from incompatible context in /in/Cl6RT on line 21 object(B)#2 (0) { } bbobject(A)#3 (0) { }
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
bool(false) bool(false) bb Strict Standards: Non-static method A::bar() should not be called statically, assuming $this from incompatible context in /in/Cl6RT on line 21 object(B)#2 (0) { } bbobject(A)#3 (0) { }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
bool(false) bool(false) bbobject(B)#2 (0) { } bbobject(A)#3 (0) { }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Cl6RT on line 3
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
Parse error: parse error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Cl6RT on line 3
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/Cl6RT on line 3
Process exited with code 255.

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