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<?php function f($a) { $b = $b*a; if ($a > 0) { $b = f($a-1); } return $b; } echo f(1);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "a" in /in/80Svg:3 Stack trace: #0 /in/80Svg(9): f(1) #1 {main} thrown in /in/80Svg on line 3
Process exited with code 255.

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