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大致步骤（1）安装mcrypt，（2）安装php对mcrypt的扩展，（3）重启apache （1）、确认你的linux没有安装mcrypt库，如果已安装，跳过安装步骤- [root@test-206 ~]# yum list installed|grep mcrypt
- libmcrypt.x86_64 2.5.8-4.el5.centos installed
- libmcrypt-devel.x86_64 2.5.8-4.el5.centos installed
- mcrypt.x86_64 2.6.8-1.el5 installed
以上显示已经安装过，若没有，则按以下两种方式安装 （方法一）yum命令懒人安装- yum install libmcrypt libmcrypt-devel mcrypt mhash
- Dependencies Resolved
-
- ================================================================================
- Package Arch Version Repository Size
- ================================================================================
- Installing:
- libmcrypt i386 2.5.7-5.el5 epel 124 k
- libmcrypt x86_64 2.5.8-4.el5.centos extras 105 k
- libmcrypt-devel i386 2.5.7-5.el5 epel 103 k
- libmcrypt-devel x86_64 2.5.8-4.el5.centos extras 10 k
- mcrypt x86_64 2.6.8-1.el5 epel 88 k
- mhash i386 0.9.2-6.el5 epel 141 k
- mhash x86_64 0.9.9-1.el5.rf rpmforge 161 k
-
- Transaction Summary
- ================================================================================
- Install 7 Package(s)
- Upgrade 0 Package(s)
-
- Total download size: 731 k
- Is this ok [y/N]:
- Installed:
- libmcrypt.x86_64 0:2.5.8-4.el5.centos
- libmcrypt-devel.x86_64 0:2.5.8-4.el5.centos
- mcrypt.x86_64 0:2.6.8-1.el5
- mhash.x86_64 0:0.9.9-1.el5.rf
-
- Complete!
（方法二）源码编译安装，去http://www.sourceforge.net下载Libmcrypt,mhash,mcrypt安装包 libmcrypt(libmcrypt-2.5.8.tar.gz )：
mcrypt(mcrypt-2.6.8.tar.gz ):
mhash(mhash-0.9.9.9.tar.gz ):
1.先安装Libmcrypt- #tar -zxvf libmcrypt-2.5.8.tar.gz
- #cd libmcrypt-2.5.8
- #./configure
- #make
- #make install 说明：libmcript默认安装在/usr/local
2.安装mhash- #tar -zxvf mhash-0.9.9.9.tar.gz
- #cd mhash-0.9.9.9
- #./configure
- #make
- #make install
3.安装mcrypt- #tar -zxvf mcrypt-2.6.8.tar.gz
- #cd mcrypt-2.6.8
- #LD_LIBRARY_PATH=/usr/local/lib ./configure
- #make
- #make install
4、最后，还是检查下，是否安装成功（2）、安装php的mcrypt扩展(动态加载编译) 下载php下的mcrypt扩展或者直接下载php的完整安装包 http://cn.php.net/releases/ 网页下找到自己服务器的php版本，下载后tar解压（本人的是php5.3.3） 进入ext/mcrypt文件夹 - [root@*_* 14:45 ~]# cd php-5.3.3/ext/mcrypt/
- [root@*_* 14:48 mcrypt]# whereis phpize //为了确定phpize存在
- phpize: /usr/bin/phpize /usr/share/man/man1/phpize.1.gz
- [root@*_* 14:48 mcrypt]# phpize
- Configuring for:
- PHP Api Version: 20090626
- Zend Module Api No: 20090626
- Zend Extension Api No: 220090626
执行完后，会发现当前目录下多了一些configure文件，最后执行php-config命令就基本完成了 执行以下命令，确保你的/usr/bin/php-config是存在的 - [root@*_* 15:02 mcrypt]# whereis php-config
- php-config: /usr/bin/php-config /usr/share/man/man1/php-config.1.gz
- [root@*_* 15:02 mcrypt]# ./configure --with-php-config=/usr/bin/php-config
- configure: error: no acceptable C compiler found in $PATH
- [root@*_* 15:06 mcrypt]# make && make install
- Installing shared extensions: /usr/lib64/php/modules/
顺便检查下/usr/lib64/php/modules/里的mrcypt.so扩展是否已经创建成功 然后的事就简单了，给你的php.ini添加一条extension=mcrypt.so - [root@*_* 15:09 mcrypt]# cd /etc/php.d
- [root@*_* 15:17 php.d]# echo 'extension=mcrypt.so' > mcrypt.ini
(3) 、重启apache，查阅phpinfo，mcrypt模块扩展是不是加载了
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> PHP CentOS下php安装mcrypt扩展
