What to do if the php string part is garbled

Solution to the garbled part of the php string: 1. Use "mb_substr(strip_tags($str),0,-1,'UTF-8');" to intercept the string; 2. Use "iconv( "UTF-8","GB2312//IGNORE",$data)" can convert the character set.

The operating environment of this tutorial: Windows 10 system, PHP version 8.1, DELL G3 computer

What to do if the php string part is garbled ?

Solution to garbled characters in PHP strings

If string interception causes garbled strings, use mb_substr to intercept them

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.

$str = '表现出扎实的基�'
 
$str =  mb_substr(strip_tags($str),0,-1,'UTF-8');
 
echo $str;
// 输出内容为 表现出扎实的基

Or use iconv to convert the character set

iconv("UTF-8","GB2312//IGNORE",$data)

ignore means to ignore errors during conversion. If there is no ignore parameter, all strings following the character will not be able to is saved.

Convert character set

$str=mb_convert_encoding('转换内容',"utf-8","GBK");

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