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<?php class B { } class A { public function M() { echo("this=" . get_class($this) . " hash=" . spl_object_hash($this) . "\n"); $x = "this"; $$x = new B(); echo("this=" . get_class($this) . " hash=" . spl_object_hash($this) . "\n"); } } $a = new A(); $a->M();
Output for git.master, git.master_jit, rfc.property-hooks
this=A hash=00000000000000010000000000000000 Fatal error: Uncaught Error: Cannot re-assign $this in /in/DDgo9:12 Stack trace: #0 /in/DDgo9(18): A->M() #1 {main} thrown in /in/DDgo9 on line 12
Process exited with code 255.

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