Introduction to php processing Chinese string interception (mb_substr) and obtaining the number of characters in Chinese strings

PHP Chinese processing Chinese string interception (mb_substr) and obtaining the number of Chinese string characters, friends in need can refer to it.

1. Chinese interception: mb_substr()

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

$str, required Truncated string
$start, the starting point of truncation, the starting point is 0
$length, the number of words to be intercepted
$encoding, web page encoding, such as utf-8, GB2312, GBK

Example:

The result shows: php Chinese website

2. Get the Chinese length: mb_strlen()

mb_strlen($ str, $encoding )

$str, the string to calculate the length
$encoding, web page encoding, such as utf-8, GB2312, GBK

Example:

The result shows: 24

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