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This article mainly introduces the relevant knowledge of "how php changes data coding from utf-8 to gbk". The editor shows you the operation process through an actual case. The method of operation is simple, fast and practical. I hope this article "how to encode data from utf-8 to gbk" can help you solve the problem.

In php, you can use the iconv () function to change the encoding of the data from utf-8 to gbk, which converts the string to the required character encoding, the syntax "iconv (" UTF-8 "," gbk//TRANSLIT ", $str)".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, you can use the iconv () function to change the encoding of data from utf-8 to gbk.

The iconv () function can also convert encoded gbk to utf8.

Description: iconv () function

The iconv () function converts a string to the required character encoding.

Syntax:

Iconv (string $in_charset, string $out_charset, string $str): string

Converts the string str from in_charset to out_charset.

Parameter description:

$in_charset: the character set entered.

Out_charset: the character set of the output.

If you add the string / / TRANSLIT after out_charset, the transliteration function will be enabled. This means that when a character cannot be represented by the target character set, it can be expressed approximately by one or more similar characters. If you add the string / / IGNORE, characters that cannot be expressed in the target character set will be silently discarded. Otherwise, it will result in an E_NOTICE and return false.

Warning

/ / the details of TRANSLIT operation are highly dependent on the system's iconv () implementation (see ICONV_IMPL). It is reported that the implementation on some systems will directly ignore / / TRANSLIT, so the conversion may also fail, and the out_charset will be substandard.

Str: the string to be converted.

Return value: returns the converted string or false on failure.

Since version 5.4.0, false will be returned if the character is illegal, unless / / IGNORE is specified in the output character. In previous versions, it returned a portion of the string.

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