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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Singleton { private static $instance = null; final private function __construct() {} final private function __clone() {} public static function getInstance() { if (!self::$instance) { self::$instance = new self; } return self::$instance; } } $oneInstance = Singleton::getInstance(); $reflection = new ReflectionClass('Singleton'); echo "Cloneable outside:", var_dump($reflection->isCloneable()); $cloner = function () { return clone $this; }; $secondInstance = clone $oneInstance; var_dump($oneInstance, $secondInstance);
Output for 7.0.0 - 7.1.0
Cloneable outside:bool(false) Fatal error: Uncaught Error: Call to private Singleton::__clone() from context '' in /in/b3eqi:27 Stack trace: #0 {main} thrown in /in/b3eqi on line 27
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Cloneable outside:bool(false) object(Singleton)#1 (0) { } object(Singleton)#4 (0) { }
Output for 5.4.0 - 5.6.28
Cloneable outside:bool(false) Fatal error: Call to private Singleton::__clone() from context '' in /in/b3eqi on line 27
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Cloneable outside: Fatal error: Call to undefined method ReflectionClass::isCloneable() in /in/b3eqi on line 21
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/b3eqi on line 23
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/b3eqi on line 23
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/b3eqi on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/b3eqi on line 5
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/b3eqi on line 5
Process exited with code 255.