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<?php function f($number) { $num=fib($number); echo $number.' number fibinache is '.$num; } function fib($num,$count=2,$plast=1,$last=1){ if($count <= $num){ ++$count; $newlast=$plast+$last; return fib($num,$count,$last,$newlast); } else { return $last; } } f(4); ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
4 number fibinache is 5

preferences:
210.08 ms | 405 KiB | 381 Q