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<?php class T{ public $a = 1; public $b = null; } $t = new T; var_dump(isset($t->a)); var_dump(isset($t->b)); var_dump(property_exists($t, a)); var_dump(property_exists($t, b));
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) bool(false) Fatal error: Uncaught Error: Undefined constant "a" in /in/On79B:10 Stack trace: #0 {main} thrown in /in/On79B on line 10
Process exited with code 255.

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