LAMP搭建3：PHP安装
1.进入/usr/local/src/目录下载安装包php-5.4.36.tar.bz2# cd /usr/local/src
# ls
php-5.4.36.tar.bz2
2.解压安装包
# tar jxvf php-5.4.36.tar.bz2
# echo $?
0
3.进入安装目录
# cd php-5.4.36
4.配置安装选项
# ./configure --prefix=/usr/local/php --with-apxs2=/usr/local/apache2/bin/apxs --with-config-file-path=/usr/local/php/etc --with-mysql=/usr/local/mysql --with-libxml-dir --with-gd --with-jpeg-dir --with-png-dir --with-freetype-dir --with-iconv-dir --with-zlib-dir --with-bz2 --with-openssl --with-mcrypt --enable-soap --enable-gd-native-ttf --enable-mbstring --enable-sockets --enable-exif --disable-ipv6
php编译安装中常见配置错误处理请参考：
（1）http://www.poluoluo.com/jzxy/201505/364819.html
（2）http://blog.sina.com.cn/s/blog_75a07c3b0101kcwb.html
错误1：configure: error: Cannot find OpenSSL's
解决：# yum install -y openssl openssl-devel
错误2：configure: error: Please reinstall the BZip2 distribution
解决：# yum install bzip2 bzip2-devel
错误3：configure: error: jpeglib.h not found.
解决：# yum -y install libjpeg-devel
错误4：configure: error: png.h not found.
解决：# yum -y install libpng-devel
错误5：configure: error: freetype-config not found.
解决：# yum -y install freetype-devel
错误6：configure: error: mcrypt.h not found. Please reinstall libmcrypt.
解决：由于centos官方源中没有libmcrypy-devel这个包，我们需要安装一个工具epel，然后再安装libmcrypy-devel。
# rpm -ivh 'http://www.lishiming.net/data/attachment/forum/epel-release-6-8_32.noarch.rpm'
# yum list |grep -i mcrypt
libmcrypt.i686 2.5.8-9.el6 epel
libmcrypt-devel.i686 2.5.8-9.el6 epel
libtomcrypt.i686 1.17-21.el6 epel
libtomcrypt-devel.i686 1.17-21.el6 epel
libtomcrypt-doc.noarch 1.17-21.el6 epel
mcrypt.i686 2.6.8-10.el6 epel
php-mcrypt.i686 5.3.3-5.el6 epel
# yum install -y libmcrypt-devel
直到配置全部正确：
# echo $?
0
5.编译：
# make
# echo $?
0
6.安装：
# make install
# echo $?
0
7.查看安装结果：
# ls /usr/local/php/
binetcincludelibphp
8.将php加入系统环境变量：
# vim /etc/profile.d/path.sh
#!/bin/bash
export PATH=$PATH:/etc/init.d/:/usr/local/mysql/bin/:/usr/local/apache2/bin/:/usr/local
/php/bin/
# source /etc/profile.d/path.sh
9.测试PHP
# php -m# -m选项查看php的静态模块
# php -i# -i选项列出php配置的详细信息，包括模块的
部分配置选项说明：
# ./configure --prefix=/usr/local/php --with-apxs2=/usr/local/apache2/bin/apxs --with-config-file-path=/usr/local/php/etc --with-mysql=/usr/local/mysql --with-libxml-dir --with-gd --with-jpeg-dir --with-png-dir --with-freetype-dir --with-iconv-dir --with-zlib-dir --with-bz2 --with-openssl --with-mcrypt --enable-soap --enable-gd-native-ttf --enable-mbstring --enable-sockets --enable-exif --disable-ipv6
--with-apxs2帮助安装动态模块的工具
# ls /usr/local/apache2/modules/
httpd.explibphp5.somod_deflate.somod_expires.somod_rewrite.so
Apache目录下多了一个动态模块libphp5就是apxs的功劳
--with-mysql说明php依赖MySQL，所以才先安装MySQL
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