string strtoupper ( string $string )
(PHP 4, PHP 5)

 <?php
 $str = "Mary Had A Little Lamb and She LOVED It So";
 $str = strtoupper ($str);
 print_r($str);

 // 결과: MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
 ?>

다음은 인코딩할 문자열을 대문자로 변환하는 함수입니다.

string mb_strtoupper ( string $str [, string $encoding= 인코딩방식 ] )
(PHP 4 >= 4.3.0, PHP 5)

<?php
 $str = "Mary Had A Little Lamb and She LOVED It So";
 $str = mb_strtoupper ($str, 'UTF-8');
 print_r($str);

 // 결과: MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
 ?>

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