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run code in 150+ php & hhvm versions
Bugs & Features
<?php class SubObject { static $instances = 0; public $instance; public function __construct() { $this->instance = ++self::$instances; echo self::$instances; } public function __clone() { $this->instance = ++self::$instances; echo self::$instances; } } class MyCloneable { /* public $object1; public $object2; */ function __clone() { // forza la copia di $this->object1, che altrimenti // punterebbe alla stessa istanza. $this->object1 = clone $this->object1; } public function __invoke($object1,$object2) { $this->oject1=$object1; $this->oject2=$object2; } } $obj = new MyCloneable(); $obj->object1 = new SubObject(); $obj->object2 = new SubObject(); $obj2=new $obj; $obj2->object1 = new SubObject(); $obj2->object2 = new SubObject(); $obj3 = clone $obj; print("Oggetto originale:\n"); print_r($obj); print("Oggetto originale:\n"); print_r($obj2); print("Oggetto clonato:\n"); print_r($obj3); echo SubObject::$instances; ?>
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
12345Oggetto originale: MyCloneable Object ( [object1] => SubObject Object ( [instance] => 1 ) [object2] => SubObject Object ( [instance] => 2 ) ) Oggetto originale: MyCloneable Object ( [object1] => SubObject Object ( [instance] => 3 ) [object2] => SubObject Object ( [instance] => 4 ) ) Oggetto clonato: MyCloneable Object ( [object1] => SubObject Object ( [instance] => 5 ) [object2] => SubObject Object ( [instance] => 2 ) ) 5
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/WChaW</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/WChaW</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/WChaW</b> on line <b>4</b><br />
Process exited with code 255.