How to solve the problem of utf-8 coding in PHP, utf8 coding, database garbled, page display output garbled
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1. When building a database, especially when dealing with MYSQL with phpMyAdmin, it is usually utf-8 and the field is utf8_general_ci
Settings for the database:
Look in the my.ini file for:
[mysql]
Default-character-set = utf8
[mysqld]
Default-character-set = utf8
Init_connect = 'SET NAMES utf8'
All set to utf8
Save, restart the mysql service
two。 Mysql_query ("set names' utf8'") when dealing with data; note: utf8, not utf-8
3.PHP file default encoding is ANSI, need to be converted to UTF-8, as for how to convert editplus has such a function, "Save as" when there is a choice of encoding UTF-8, note: can not choose: UTF-8 + BOM, if you choose this, you will have problems when dealing with session, so be sure to pay attention. Some people develop in eclipse,Myeclipse,ZendStudio. The default in eclipse is ISO-8859-1. You need to open the preferences window in "window"-> "preferences", in "General"-> "Workspace" on the left, and set the default encoding to utf-8 in "text File Encoding".
4. It should be stated in the PHP file, such as
Or
The copy code is as follows:
5. In addition, there may be garbled codes when dealing with double bytes such as Chinese. Iconv,mb_convert_encoding can be used to deal with double bytes in PHP, and the rest can be referred to the PHP help manual.
6. In addition (one missing point), in your program, you need to know that there may also be coding problems in the transmission of data, but you do not know what kind of coding is used in the transmitted data. The method is provided in PHP to deal with it. Here is a simple method written by yourself, which you can refer to.
The copy code is as follows:
/ / Transcoding
Function display_fileencoding ($filename)
{
If (extension_loaded ("mbstring"))
{
$code=mb_detect_encoding ($filename); / / detect string encoding
$filename=mb_convert_encoding ($filename, "UTF-8", $code); / / convert the encoding $code to utf-8 encoding
Return $filename
}
Else
Die ("Please check that the system is properly installed and configured mbstring")
}
Make sure mbstring is enabled in your php.ini
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