$str = "Mary Had A Little Lamb and She LOVED It So";
$str = strtolower($str); //모두 소문자로
echo $str."<br>";
echo ucwords($str)."<br>"; //단어 첫글자를 대문자로 변환
$str = strtoupper($str); //모두 대문자로
echo $str."<br>";
$str = ucfirst(strtolower($str)); //문장 첫글자를 대문자로 변환
echo $str."<br>";
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결과
mary had a little lamb and she loved it so
Mary Had A Little Lamb And She Loved It So
MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
Mary had a little lamb and she loved it so |
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