PHP Chinese string interception (mb_substr) example

$str='Scripting School: http://bbs.it-home.org';
echo mb_substr($str,0,4,'utf-8');// Intercept the first 5 characters, assuming that the encoding of the php file where this code is located is utf-8
?>

Output: Programmer's Home

2. Get the Chinese length: mb_strlen() mb_strlen( $str, $encoding )

$str, the string whose length is to be calculated $encoding, web page encoding, such as utf-8, GB2312, GBK

Example 2:

$str='Programmer's Home: http://bbs.it-home.org';
echo mb_strlen($str,'utf-8');//Assumption The encoding of the php file where this code is located is utf-8
?>

Output: 24