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<?php $_SESSION_start(); $_SESSION['error']="666"; echo $_SESSION['error']; ?>
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $_SESSION_start in /in/itSvr on line 2 Fatal error: Uncaught Error: Value of type null is not callable in /in/itSvr:2 Stack trace: #0 {main} thrown in /in/itSvr on line 2
Process exited with code 255.

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