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<?php class A { public $q = "QQQ"; } class B { public $p = "PPP"; } $a = "q"; $vari = "aa"; $oa = new A; echo $oa->$$a;
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $q in /in/03ekF on line 16 Warning: Undefined property: A::$ in /in/03ekF on line 16

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