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<?php class A { function foo() { if (isset($this)) { echo '$this is defined ('; echo get_class($this); echo ")\n"; } else { echo "\$this is not defined.\n"; } } } // this will print '$this is defined (A)' $a = new A(); $a->foo(); // what does this print? 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
$this is defined (A) Fatal error: Uncaught Error: Non-static method A::foo() cannot be called statically in /in/VW0bc:21 Stack trace: #0 {main} thrown in /in/VW0bc on line 21
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
$this is defined (A) Deprecated: Non-static method A::foo() should not be called statically in /in/VW0bc on line 21 $this is not defined.
Output for 7.3.32 - 7.3.33, 7.4.26
$this is defined (A) $this is not defined.
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
$this is defined (A) Strict Standards: Non-static method A::foo() should not be called statically in /in/VW0bc on line 21 $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.
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