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<?php $A = new class($name) { private $name; function __construct(string $name) { $this->name = $name; } public function getName() : string { return $this->name; } }; $B = new $A('Matti'); $C = new $A('Pekka'); var_dump($B === $C);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $name in /in/WKDf9 on line 3 Fatal error: Uncaught TypeError: class@anonymous(): Argument #1 ($name) must be of type string, null given, called in /in/WKDf9 on line 3 and defined in /in/WKDf9:6 Stack trace: #0 /in/WKDf9(3): class@anonymous->__construct(NULL) #1 {main} thrown in /in/WKDf9 on line 6
Process exited with code 255.

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