The role of character sets in PHP

What is the role of character set in PHP?

The role of the character set in PHP is to provide web services in multiple languages ​​on the same server.

For example:

default_charset configuration in php.ini:

default_charset = "gb2312" in php.ini defines the default language character set of php. It is generally recommended to comment out this line and let the browser automatically select the language based on the charset in the web page header instead of making a mandatory requirement. This way, web services in multiple languages ​​can be provided on the same server.

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