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<?php $t = function(){ var_dump($this); var_dump(self); }; $t();die; abstract class T { static public $instanses; final private function __construct(){ } public static function getInstance() { var_dump(static::$instanses); if (!(static::$instanses instanceof static)) { static::$instanses = new static; } var_dump(static::$instanses); return static::$instanses; } } class A extends T { static public $instanses; } class B extends A { static public $instanses; } $t = A::getInstance(); var_dump($t); $t1 = B::getInstance(); var_dump($t1); new B(); ?>
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Using $this when not in object context in /in/OhA0O:4 Stack trace: #0 /in/OhA0O(8): {closure}() #1 {main} thrown in /in/OhA0O on line 4
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Using $this when not in object context in /in/OhA0O:4 Stack trace: #0 /in/OhA0O(8): {closure}() #1 {main} thrown in /in/OhA0O on line 4
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Notice: Undefined variable: this in /in/OhA0O on line 4 NULL Notice: Use of undefined constant self - assumed 'self' in /in/OhA0O on line 5 string(4) "self"
preferences:
216.09 ms | 402 KiB | 376 Q