php全新安装
1：下载：libmcrypt-2.5.8.tar.gz (这是为了安装mcrypt)http://sourceforge.net/projects/mcrypt/files/Libmcrypt/2.5.8/
解压安装libmcrypt-2.5.8.tar.gz
#tar zxvf libmcrypt-2.5.8.tar.gz
#./configure --prefix=/usr/local/libmcrip
#make && make install
2：下载 php-5.4.0.tar.gz
php下载地址：http://www.php.net/downloads/
3：解压安装php-5.4.0.tar.gz
#tar -zxvf php-5.4.0.tar.gz
#cd /usr/src/php-5.4.0
4：编译php源码
#./configure --prefix=/usr/local/php5 --enable-mbstring --with-apxs2=/usr/local/apache2/bin/apxs --with-mysql=/usr/local/mysql --with-mysqli=/usr/local/mysql/bin/mysql_config --with-mcrypt=/usr/local/libmcrip --with-config-file-path=/usr/local/php
5：安装php
# make && make install
6：复制php.ini配置文件
cp php.ini-production /usr/local/php5/php.ini
6：集成apache
编辑httpd.conf文件，确认或添加支持PHP环境的相关配置行环境的
#vim /usr/local/apache2/conf/httpd.conf
……
LoadModule php5_module modules/libphp5.so
……
AddType application/x-httpd-php .php
……
DirectoryIndex index.php index.html
7：重启apache
/usr/local/apache2/bin/apachectl restart
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