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Convert String to Proper Case

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  1. function strProper($str) {
  2.     $noUp = array('a','an','of','the','are','at','in');
  3.     $str = trim($str);
  4.     $str = strtoupper($str[0]) . strtolower(substr($str, 1));
  5.     for($i=1; $i<strlen($str)-1; ++$i) {
  6.         if($str[$i]==' ') {
  7.             for($j=$i+1; $j<strlen($str) && $str[$j]!=' '; ++$j); //find next space
  8.             $size = $j-$i-1;
  9.             $shortWord = false;
  10.             if($size<=3) {
  11.                 $theWord = substr($str,$i+1,$size);
  12.                 for($j=0; $j<count($noUp) && !$shortWord; ++$j)
  13.                     if($theWord==$noUp[$j])
  14.                         $shortWord = true;
  15.             }
  16.             if( !$shortWord )
  17.                 $str = substr($str, 0, $i+1) . strtoupper($str[$i+1]) . substr($str, $i+2);
  18.         }   
  19.         $i+=$size;
  20.     }
  21.     return $str;
  22. }
  23. $str = "blah blah";
  24. echo strProper($str);

URL: http://us2.php.net/manual/en/function.strtoupper.php

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