Detailed introduction to PHP truncation function mb_substr()_PHP tutorial

In php, the mb_substr() function is a function used to intercept Chinese and English. It can quickly and easily solve the problem of intercepting the specified character length. Let me introduce it to you below. ​

Tip: mb_substr is not supported by default in php. We need to find php.ini in the windows directory, open it for editing, search for mbstring.dll, find ;extension=php_mbstring.dll and remove the previous; sign before it can be used. mb_substr function.

Function: mb_substr( $str, $start, $length, $encoding )

$str, the string that needs to be truncated
$start, truncation start point
$length, length (note, this is different from mb_strimwidth, 1 represents a Chinese character)
$encoding, encoding, I set it to utf-8

Example: Truncate the article title to 15 characters

The code is as follows	Copy code
代码如下 复制代码   $str = '这样一来我的字符串就不会有乱码^_^'; echo "mb_substr:" . mb_substr($str, 0, 7, 'utf-8'); //结果：这样一来我的字 echo " "; echo "mb_strcut:" . mb_strcut($str, 0, 6, 'utf-8'); //结果：这样 ?> $str = 'This way my string will not be garbled^_^'; echo "mb_substr:" . mb_substr($str, 0, 7, 'utf-8'); //Result: In this way, my words echo " "; echo "mb_strcut:" . mb_strcut($str, 0, 6, 'utf-8'); //Result: like this ?>

In summary, it appears that he can solve the problem of intercepting Chinese characters http://www.bkjia.com/PHPjc/445280.htmlwww.bkjia.comhttp: //www.bkjia.com/PHPjc/445280.htmlTechArticleThe mb_substr() function in php is a function used to intercept Chinese and English, which can easily and quickly solve the interception specification Regarding the issue of character length, let me introduce it to you below. Tip: mb_subs...