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<?php new class() { private $a = 1; public function __construct() { ${$_='this'} = 2; // ${'this'.''} = 2; var_dump($this, $this->a); } };
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Cannot re-assign $this in /in/aB0EX:7 Stack trace: #0 /in/aB0EX(3): class@anonymous->__construct() #1 {main} thrown in /in/aB0EX on line 7
Process exited with code 255.

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