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PHP mb_ucfirst Make a String’s First Character Uppercase-Multibyte (UTF-8) Function

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HP’s ucfirst function is very usefull when you want to change words first letters to uppercase and other letters to lowercase. Currently on PHP does not have a multibyte (UTF-8) version of ucfirst function. So I decided write my own multibyte mb_ucfirst function.

Perhaps the multibyte version of ucfirst function is added later on PHP, so that’s why is better add this function only if it does not already exist.

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  1. <?php
  2.  
  3.   if (!function_exists('mb_ucfirst')) {
  4.     function mb_ucfirst($str, $encoding = "UTF-8", $lower_str_end = false) {
  5.       $first_letter = mb_strtoupper(mb_substr($str, 0, 1, $encoding), $encoding);
  6.       $str_end = "";
  7.       if ($lower_str_end) {
  8. 	$str_end = mb_strtolower(mb_substr($str, 1, mb_strlen($str, $encoding), $encoding), $encoding);
  9.       }
  10.       else {
  11. 	$str_end = mb_substr($str, 1, mb_strlen($str, $encoding), $encoding);
  12.       }
  13.       $str = $first_letter . $str_end;
  14.       return $str;
  15.     }
  16.   }
  17.  
  18. ?>

URL: http://www.if-not-true-then-false.com/2010/php-mb_ucfirst-make-a-strings-first-character-uppercase-multibyte-function/

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