PHP adds mbstring extension library

1. Guide to installing mbstring extension library on Linux host (source code installation)

Enter the following commands at the command line:

1. Use the cd command to enter the etc/mbstring directory under the source code directory of php, such as "/src/ php5.2.5", that is, "cd /src/php5.2.5";

2. Execute

#/usr/local/php/bin/phpize (assuming php is installed in the /usr/local/php directory)

3. Execute

#./configure --with-php-config=/usr/local/php/bin/php-config

4. Execute make && make install

5. The system will prompt you mbstring.so The directory where the file is located. Copy it to the directory pointed to by extension_dir indicated in php.ini. Or copy mbstring.so to the /usr/local/php/ext directory and configure the parameter extension_dir="/usr/local/php / ext" points to the directory where mbstring.so is located.

6. Modify php.ini, add extension=mbstring.so

and then restart apache: run /service httpd restart to complete the installation.

2. Guide to installing mbstring extension library on Linux host (rpm installation)

If you are using apache+php+mysql that comes with linux

Command:

#rpm -q php (get the version number of php)

Then download php-mbstring:

Note that the version number here in php-mbstring-4.3.9-3.15.i386.rpm can be changed, just change it to your php version number

Installation:

# rpm -ivh php-mbstring-4.x.x-x.xx.i386.rpm

Then restart apache

3. Set

PHP’s setting file to /etc/php.ini. In this example, UTF-8 encoding is used as an example for setting. ​

#vi php.ini

Set the output handler to correspond to mbstring.

;output_handler =

--> output_handler = "mb_output_handler"

Set the text set to UTF-8.

;default_charset = "iso-8859-1"

--> default_charset = "UTF-8"

Set the language of mbstring to Chinese

;mbstring.language = Japanese

--> mbstring.language = Chinese

Set the internal encoding of mbstring to UTF-8.

;mbstring.internal_encoding = EUC-JP

--> mbstring.internal_encoding = UTF-8

Set the input text encoding of mbstring to automatic discrimination mode.

;mbstring.http_input = auto

--> mbstring.http_input = auto

Set the mbstring output text encoding to UTF-8.

;mbstring.http_output = SJIS

--> mbstring.http_output = UTF-8

Activate the automatic text encoding conversion method of mbstring.

;mbstring.encoding_translation = Off

mbstring.encoding_translation = On