使用 yum install php-mcrypt 安裝mcrypt擴(kuò)展時(shí)會提示沒有安裝包

Setting up Install Process
No package php-mcrypt available.
Error: Nothing to do

mcrypt 是加密擴(kuò)展庫，加載了它可以用他里面自帶的22種加密解密算法

CentOS6 默認(rèn)安裝的是php5.3.2

默認(rèn)的 redhat repos php中是沒有 mcrypt 擴(kuò)展的
根據(jù)紅帽的官方消息（https://bugzilla.redhat.com/show_bug.cgi?id=621268）RHEL 不打算添加PHP的mcrypt 的支持
Joe Orton 2010-08-05 04:47:17 EDT

Thanks for the report.

We are not planning to ship mcrypt support for PHP.

 解決方法：

從php 官網(wǎng)下載新的php 5.3 源碼包后，解壓到本地目錄
進(jìn)入解壓目錄下的 ext 目錄后會發(fā)現(xiàn)有 mcrypt ，
進(jìn)入 mcrypt 目錄

#cd /ext/mcrypt

#phpize

注意：如果報(bào) -bash:phpize not Found  那么 yum install php-devel 就可以使phpize進(jìn)行動態(tài)編譯安裝擴(kuò)展

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

#make && make install

出現(xiàn)：

----------------------------------------------------------------------
Libraries have been installed in:
   /var/php-5.3.10/ext/mcrypt/modules

If you ever happen to want to link against installed libraries
in a given directory, LIBDIR, you must either use libtool, and
specify the full pathname of the library, or use the `-LLIBDIR'
flag during linking and do at least one of the following:
   - add LIBDIR to the `LD_LIBRARY_PATH' environment variable
     during execution
   - add LIBDIR to the `LD_RUN_PATH' environment variable
     during linking
   - use the `-Wl,-rpath -Wl,LIBDIR' linker flag
   - have your system administrator add LIBDIR to `/etc/ld.so.conf'

See any operating system documentation about shared libraries for
more information, such as the ld(1) and ld.so(8) manual pages.
----------------------------------------------------------------------

Build complete.
Don't forget to run 'make test'.

Installing shared extensions:     /usr/lib64/php/modules/
查看：

# php -m

...

libxml
mbstring
mcrypt
mysql
...
[Zend Modules]
已安裝成功！

再次查看 phpinfo ，可以看到mcrypt 擴(kuò)展詳情。

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