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<?php class A { public $a = 'foo'; public function print() { echo $this->a.PHP_EOL; } } $i = (new A)->print(); $i->a = 'i'; (clone $i)->print();
Output for git.master, git.master_jit, rfc.property-hooks
foo Fatal error: Uncaught Error: Attempt to assign property "a" on null in /in/QIvUc:10 Stack trace: #0 {main} thrown in /in/QIvUc on line 10
Process exited with code 255.

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