安装之前：

centos下：yum-yinstallgccpcre-develcurl-devellibxml2-devellibpng-devellibmcrypt-devellibjpeg-developenssl-devellibjpeg.x86_64libpng.x86_64freetype.x86_64libjpeg-devel.x86_64libpng-devel.x86_64freetype-devel.x86_64ubuntu下：apt-get-yinstalllibxml2-devlibxml2libpng-devzlib1g-devopenssllibssl-devlibcurl4-gnutls-devlibjpeg-devlibpng-devlibfreetype6-dev--force-yeswgetftp://mcrypt.hellug.gr/pub/crypto/mcrypt/attic/libmcrypt/libmcrypt-2.5.7.tar.gztar-zxvflibmcrypt-2.5.7.tar.gzcdlibmcrypt-2.5.7./configure--prefix=/usr/local/libmcryptmake&&makeinstall

下载安装php5.6:

wget-chttp://au1.php.net/get/php-5.6.8.tar.gz/from/this/mirrortar-zxvfmirrorcdphp-5.6.8/./configure--enable-fpm--enable-soap--enable-sockets--enable-zip--with-curl--with-mysql=/usr/local/mysql-5.5.41-linux2.6-x86_64--with-mysqli=/usr/local/mysql-5.5.41-linux2.6-x86_64/bin/mysql_config--with-gd--with-openssl--with-pdo-mysql=/usr/local/mysql-5.5.41-linux2.6-x86_64--prefix=/usr/local/php--with-iconv--with-mcrypt=/usr/local/libmcrypt--with-freetype-dir==/usr/lib64/--with-jpeg-dir=/usr/lib64/--with-gdmake&&makeinstall


下载安装php7.0.2

wget-chttp://cn2.php.net/distributions/php-7.0.2.tar.gztar-xzxvfphp-7.0.2.tar.gzcdphp-7.0.2./configure--enable-fpm--enable-soap--enable-sockets--enable-zip--with-curl--with-mysqli=/usr/local/mysql-5.5.41-linux2.6-x86_64/bin/mysql_config--with-gd--with-openssl--with-pdo-mysql=/usr/local/mysql-5.5.41-linux2.6-x86_64--prefix=/usr/local/php--with-iconv--with-mcrypt=/usr/local/libmcrypt--with-freetype-dir==/usr/lib64/--with-jpeg-dir=/usr/lib64/--with-gdmake&&makeinstallcpphp.ini-development/usr/local/php/lib/php.inivi/etc/profile在最低部添加PATH=$PATH:/usr/local/php/binexportPATHsource/etc/profilecp/usr/local/php/etc/php-fpm.conf.default/usr/local/php/etc/php-fpm.confcp/usr/local/php/etc/php-fpm.d/www.conf.default/usr/local/php/etc/php-fpm.d/www.confcpsapi/fpm/init.d.php-fpm/etc/init.d/php-fpmchmod+x/etc/init.d/php-fpmvi/usr/local/php/etc/php-fpm.d/www.conf修改user=wwwgroup=wwwgroupaddwwwuseradd-gwwwwww/etc/init.d/php-fpmrestart