Posted By

Scooter on 07/12/08


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math


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jdstraughan
mothore


Fibonacci numbers


 / Published in: PHP
 

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

  1. <?php
  2. /*
  3.   Copyright (c) 2008, reusablecode.blogspot.com; some rights reserved.
  4.  
  5.   This work is licensed under the Creative Commons Attribution License. To view
  6.   a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or
  7.   send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California
  8.   94305, USA.
  9.   */
  10.  
  11. // Get Fibonacci number
  12. function fib($x)
  13. {
  14. $fibArray[0] = 0;
  15. $fibArray[1] = 1;
  16.  
  17. for($i = 2; $i <= $x; $i++)
  18. {
  19. $fibArray[$i] = $fibArray[$i - 1] + $fibArray[$i - 2];
  20. }
  21.  
  22. return $fibArray[$x];
  23. }
  24. ?>

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