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<?php class A { function foo() { if (isset($this)) { echo '$this is defined ('; echo get_class($this); echo ")\n"; } else { echo "\$this is not defined.\n"; } } } class B { function bar() { // Note: the next line will issue a warning if E_STRICT is enabled. A::foo(); } } $a = new A(); $a->foo(); // Note: the next line will issue a warning if E_STRICT is enabled. A::foo(); $b = new B(); $b->bar(); // Note: the next line will issue a warning if E_STRICT is enabled. B::bar(); ?>
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
$this is defined (A) Fatal error: Uncaught Error: Non-static method A::foo() cannot be called statically in /in/lss86:31 Stack trace: #0 {main} thrown in /in/lss86 on line 31
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
$this is defined (A) Deprecated: Non-static method A::foo() should not be called statically in /in/lss86 on line 31 $this is not defined. Deprecated: Non-static method A::foo() should not be called statically in /in/lss86 on line 23 $this is not defined. Deprecated: Non-static method B::bar() should not be called statically in /in/lss86 on line 36 Deprecated: Non-static method A::foo() should not be called statically in /in/lss86 on line 23 $this is not defined.
Output for 7.3.32 - 7.3.33
$this is defined (A) $this is not defined. $this is not defined. $this is not defined.
Output for 5.6.8 - 5.6.28
$this is defined (A) Strict Standards: Non-static method A::foo() should not be called statically in /in/lss86 on line 31 $this is not defined. Deprecated: Non-static method A::foo() should not be called statically, assuming $this from incompatible context in /in/lss86 on line 23 $this is defined (B) Strict Standards: Non-static method B::bar() should not be called statically in /in/lss86 on line 36 Strict Standards: Non-static method A::foo() should not be called statically in /in/lss86 on line 23 $this is not defined.
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
$this is defined (A) Strict Standards: Non-static method A::foo() should not be called statically in /in/lss86 on line 31 $this is not defined. Strict Standards: Non-static method A::foo() should not be called statically, assuming $this from incompatible context in /in/lss86 on line 23 $this is defined (B) Strict Standards: Non-static method B::bar() should not be called statically in /in/lss86 on line 36 Strict Standards: Non-static method A::foo() should not be called statically in /in/lss86 on line 23 $this is not defined.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
$this is defined (A) Strict Standards: Non-static method A::foo() should not be called statically in /in/lss86 on line 31 $this is not defined. $this is defined (B) Strict Standards: Non-static method B::bar() should not be called statically in /in/lss86 on line 36 Strict Standards: Non-static method A::foo() should not be called statically in /in/lss86 on line 23 $this is not defined.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
$this is defined (a) $this is not defined. $this is defined (b) $this is not defined.

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