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<?php class Foo { private $id; public function __construct() { $id = $used++; } public function getId() { return $id; } } $a = new Foo; // $a is a pointer pointing to Foo object 0 $b = $a; // $b is a pointer pointing to Foo object 0, however, $b is a copy of $a unlink($a); var_dump($b);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $used in /in/ItKhC on line 6 Fatal error: Uncaught TypeError: unlink(): Argument #1 ($filename) must be of type string, Foo given in /in/ItKhC:15 Stack trace: #0 /in/ItKhC(15): unlink(Object(Foo)) #1 {main} thrown in /in/ItKhC on line 15
Process exited with code 255.

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