strrev() Function
strrev() 함수는 문자열을 반전시킵니다.
<!DOCTYPE html>
<html>
<body>
<?php
echo strrev("Hello World!");
?>
</body>
</html>
<html>
<body>
<?php
echo strrev("Hello World!");
?>
</body>
</html>
결과:
!dlroW olleH
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