What to do if php Chinese intercepts garbled characters

Solution to php Chinese interception of garbled characters: First obtain the length of the Chinese string through the mb_strlen function; then use PHP's built-in function mb_substr to intercept the string.

The operating environment of this tutorial: windows10 system, php5.6. This article is applicable to all brands of computers.

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Solution to garbled Chinese character strings when intercepted by PHP

needs to be intercepted For string requirements, the first thing that comes to mind is substr(), but there will be problems with garbled characters. So if you want to intercept a Chinese string, you can use PHP's built-in function Chinese interception: mb_substr(), which is

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

$str: Chinese string that needs to be intercepted;

$start: interception start parameter, starting from 0;

$length: the number of words to be intercepted;

$ encoding: Web page encoding, such as UTF-8, GB2312, GBK;

In addition, a function to obtain the length of the Chinese string is attached to obtain the Chinese length: mb_strlen()

mb_strlen( $str, $encoding )
$str : 中文字符串 ;
$encoding : 网页编码，如UTF-8,GB2312,GBK;

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