©TCP-tryPHP

<!DOCTYPE html>
<html lang="ko">

<head>
	<meta charset="UTF-8">
	<title>PHP Built In Function</title>
</head>

<body>

<?php
	$str = "한글로된문자열";

	echo strlen($str)."<br>";		// 7 * 3 = 21
	echo mb_strlen($str)."<br>";	// 7 * 3 = 21
	echo mb_strlen($str, "UTF-8");	// 7
?>

</body>

</html>

​x
 
<!DOCTYPE html>
<html lang="ko">
​
<head>
    <meta charset="UTF-8">
    <title>PHP Built In Function</title>
</head>
​
<body>
​
<?php
    $str = "한글로된문자열";
​
    echo strlen($str)."<br>";       // 7 * 3 = 21
    echo mb_strlen($str)."<br>";    // 7 * 3 = 21
    echo mb_strlen($str, "UTF-8");  // 7
?>
​
</body>
​
</html>