What to do if php intercepts Chinese garbled characters

You can use the "mb_substr()" function in PHP to solve the problem of intercepting Chinese garbled characters. Its syntax is "mb_substr (string $str, int $start...)", and the parameter "str" means from The substring extracted from this string.

Use the PHP substr() function to intercept Chinese string garbled characters and replace it with the PHP mb_substr() function.

mb_substr() definition and usage

mb_substr() function returns a part of the string. We have learned the substr() function before. It only targets English characters. If Chinese text to be divided needs to use mb_substr().

Note: If the start parameter is negative and length is less than or equal to start, length is 0.

Syntax

mb_substr ( string $str , int $start [, int $length = NULL [, string $encoding = mb_internal_encoding() ]] ) : string

Parameters

str Required. Extracts a substring from this string.

start Required. Specifies where in the string to begin.

Positive number - starts at the specified position in the string

Negative number - starts at the specified position from the end of the string

0 - at the first character in the string Start at

length Optional. Specifies the length of the string to be returned. The default is until the end of the string.

Positive number - returned from the position of the start parameter

Negative number - returned from the end of the string

encoding Optional. Character Encoding. If omitted, the internal character encoding is used.

For more related knowledge, please visitPHP Chinese website!

The above is the detailed content of What to do if php intercepts Chinese garbled characters. For more information, please follow other related articles on the PHP Chinese website!