Install pdo_mysql extension in centos

# Download a package
Wget http://pecl.php.net/get/PDO_MYSQL-1.0.2.tgz

# Decompress
Tar xzvf PDO_MYSQL-1.0.2.tgz

CD PDO_MYSQL-1.0.2
/Usr/local/PHP/bin/phpize
./Configure-with-PHP-Config =/usr/local/PHP/bin/PHP-config-with-PDO-mysql =/usr/local/MySQL
Make
Make install

# Switch the directory to check whether pdo_mysql.so exists
D/usr/local/PHP/lib/PHP/extensions/no-debug-non-zts-20060613/

# Edit PHP. ini
VI/usr/local/PHP/etc/PHP. ini

# Add pdo_mysql Extension
Extension =/usr/local/PHP/lib/PHP/extensions/no-debug-non-zts-20060613/pdo_mysql.so

# Restart Apache
/Usr/local/apache2/bin/apachectl restart