[root@ufuso ~]# yum install php-mysql　←　php-mysqlのインストール
================================================================================
 Package          Arch          Version                Repository          Size
================================================================================
Installing:
 php-mysql        x86_64        5.3.3-3.el6_1.3        sl-security         78 k

Transaction Summary
================================================================================
Install       1 Package(s)
Upgrade       0 Package(s)

Total download size: 78 k
Installed size: 215 k
Is this ok [y/N]: y　←　y入力
Downloading Packages:
php-mysql-5.3.3-3.el6_1.3.x86_64.rpm                     |  78 kB     00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing     : php-mysql-5.3.3-3.el6_1.3.x86_64                         1/1

Installed:
  php-mysql.x86_64 0:5.3.3-3.el6_1.3

Complete!
[root@ufuso ~]# /etc/init.d/httpd restart　←　httpd再起動
httpd を停止中:                                            [  OK  ]
httpd を起動中: