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<?php class Foo{ private static $this; protected $a = true; public function __construct(){ //self::$this = new Foo(); echo "From Foo()"; } public static function init(){ self::$this = new Foo; var_dump($this); //var_dump(self::$this); echo "From Foo::init()"; } public function test(){ echo "called from static"; } } Foo::init();
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
From Foo() Fatal error: Uncaught Error: Using $this when not in object context in /in/0l11i:11 Stack trace: #0 /in/0l11i(19): Foo::init() #1 {main} thrown in /in/0l11i on line 11
Process exited with code 255.
Output for 5.4.22 - 5.4.45, 5.5.6 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
From Foo() Notice: Undefined variable: this in /in/0l11i on line 11 NULL From Foo::init()
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 - 5.4.21, 5.5.0 - 5.5.5
Fatal error: Cannot re-assign $this in /in/0l11i on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/0l11i 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_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/0l11i 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/0l11i on line 3
Process exited with code 255.

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