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<?php $string = 'It works ? Or not it works ?'; $pass = '1234'; $method = 'aes128'; var_dump(openssl_encrypt($string, $method, $pass)); 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 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function openssl_encrypt() in /in/qoeLj:6 Stack trace: #0 {main} thrown in /in/qoeLj on line 6
Process exited with code 255.
Output for 5.4.15 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0
Warning: openssl_encrypt(): Using an empty Initialization Vector (iv) is potentially insecure and not recommended in /in/qoeLj on line 6 string(44) "YGYj+ysu5u9UigVwb2xbcmRmyFSgPeoKmg6q1etG7wA="
Output for 5.4.2 - 5.4.14
Fatal error: Call to undefined function openssl_encrypt() in /in/qoeLj on line 6
Process exited with code 255.

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