PHP - strtolower 함수

string strtolower (string $str)
(PHP 4, PHP 5)

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

 // 결과: mary had a little lamb and she loved It so
 ?>

다음은 인코딩할 문자열을 소문자로 변환하는 함수입니다.

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

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

 // 결과: mary had a little lamb and she loved It so
 ?>