mb_strtoupper
  (PHP 4 >= 4.3.0, PHP 5)
mb_strtoupper — Make a string uppercase
  
   
 
  Description
  
   string mb_strtoupper
    ( string $str
   [, string $encoding
  ] )
  
  
 
  Parameters
  
   
    - 
     str
     
- 
      
       The string being uppercased.
       
- 
     encoding
     
- 
      The encoding
 
parameter is the character encoding. If it is omitted, the internal character 
encoding value will be used. 
 
 
  Return Values
  
   str
 with all alphabetic characters converted to uppercase.
  
  
 
  Unicode
  
   For more information about the Unicode properties, please see » http://www.unicode.org/unicode/reports/tr21/.
  
  
   By contrast to strtoupper(), 'alphabetic' is
   determined by the Unicode character properties. Thus the behaviour of this
   function is not affected by locale settings and it can convert any
   characters that have 'alphabetic' property, such as a-umlaut (ä). 
  
 
 
  Examples
  
   
    Example #1 mb_strtoupper() example
    
<?php
$str = "Mary Had A Little Lamb and She LOVED It So";
$str = mb_strtoupper($str);
echo $str; // Prints MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
?>