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Php texto a mayusculas

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  1. function upper($str){
  2. #	return preg_replace("/([a-z\xE0-\xFF])/e","chr(ord('\\1')-32)",$str);
  3. 	$mal = "abcdefghijklmnñopqrstuvwxyzáéíóúü";
  4. 	$bien = "ABCDEFGHIJKLMNÑOPQRSTUVWXYZÁÉÍÓÚÜ";
  5. 	return strtr($str,"$mal","$bien"); 
  6.  
  7. }

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