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jdstraughan
mothore

Fibonacci numbers

Published in: PHP

URL: http://reusablecode.blogspot.com/2008/07/fibonacci-numbers.html

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<?php
    /*
    Copyright (c) 2008, reusablecode.blogspot.com; some rights reserved.
    
    This work is licensed under the Creative Commons Attribution License. To view
    a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or
    send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California
    94305, USA.
    */
 
    // Get Fibonacci number
    function fib($x)
    {
        $fibArray[0] = 0;
        $fibArray[1] = 1;
 
        for($i = 2; $i <= $x; $i++)
        {
            $fibArray[$i] = $fibArray[$i - 1] + $fibArray[$i - 2];
        }
 
        return $fibArray[$x];
    }
?>

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