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<?php $boo = 1; $_SESSION['boo']='$boo'; $boo = 2; echo 'boo = ', $boo, ' '; echo '$_SESSION[boo] = ', ${$_SESSION[boo]};
Output for git.master, git.master_jit, rfc.property-hooks
boo = 2 $_SESSION[boo] = Fatal error: Uncaught Error: Undefined constant "boo" in /in/MpvR2:6 Stack trace: #0 {main} thrown in /in/MpvR2 on line 6
Process exited with code 255.

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