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<?php $i = 0; $o = (function () use( $o) { $i++; echo 'o'; if ($i < 10) { $o(); } })();
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $o in /in/jQI9T on line 4 Warning: Undefined variable $i in /in/jQI9T on line 5 o Fatal error: Uncaught Error: Value of type null is not callable in /in/jQI9T:8 Stack trace: #0 /in/jQI9T(10): {closure}() #1 {main} thrown in /in/jQI9T on line 8
Process exited with code 255.

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