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<?php class a { private function __clone() { } private function __construct() { } public static function getInstance() { return new static(); } public function cloneIt() { $a = clone $this; return $a; } } class c extends a { } // private constructor $d = c::getInstance(); // private clone $e = $d->cloneIt();
Output for 7.1.13 - 7.1.33, 7.2.1 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Output for 7.0.0 - 7.0.27, 7.1.0 - 7.1.12, 7.2.0
Fatal error: Uncaught Error: Call to private c::__clone() from context 'a' in /in/bWr72:21 Stack trace: #0 /in/bWr72(35): a->cloneIt() #1 {main} thrown in /in/bWr72 on line 21
Process exited with code 255.
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