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<?php function fib($n) { if($n < 2) { return 1; } return fib($n - 2) + fib(n - 1); } echo fib(5);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "n" in /in/UBrHU:9 Stack trace: #0 /in/UBrHU(9): fib(3) #1 /in/UBrHU(12): fib(5) #2 {main} thrown in /in/UBrHU on line 9
Process exited with code 255.

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