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NozdrachevNN

Task 29

May 29th, 2018
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PHP 0.38 KB | None | 0 0
  1. function diapazon ($r){
  2.         if ($r <= 0) {
  3.             $r = 0;
  4.         }
  5.         elseif ($r >= 255) {
  6.             $r = 255;
  7.         }
  8. $r = strtoupper(dechex($r));
  9. if ((strlen ($r)<2)) {
  10.     $r = (str_pad((0), 2, $r, STR_PAD_LEFT));
  11. }
  12. return $r;
  13. }
  14.  
  15. function rgb($r, $g, $b){
  16. $r = diapazon ($r);
  17. $g = diapazon ($g);
  18. $b = diapazon ($b);
  19.    
  20. $s = $r.$g.$b;
  21. return $s;
  22. }
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