环境：CentOS-6.7-x86_64-bin-DVD1.iso

其他依赖包的安装，这里省略了，得承认这个过程也是件麻烦的事情。

来吧，直奔主题：

tar -zxvf php-7.1.5.tar.gzcd php-7.1.5./configure \--prefix=/usr/local/php-7.1.5 \--with-apxs2=/usr/local/apache/bin/apxs \--with-mysqli=mysqlnd \--with-pdo-mysql=mysqlnd \--with-config-file-path=/usr/local/php-7.1.5/etc \--with-config-file-scan-dir=/usr/local/php-7.1.5/etc/php.d \--with-mcrypt=/usr/local/libmcrypt \--with-png-dir=/usr/local/libpng \--with-jpeg-dir \--with-freetype-dir \--with-bz2 \--with-curl \--with-gd \--with-mhash \--with-openssl \--with-zlib \--with-gettext \--with-xmlrpc \--enable-mysqlnd \--enable-bcmath \--enable-fpm \--enable-bcmath \--enable-calendar \--enable-exif \--enable-ftp \--enable-mbstring \--enable-pcntl \--enable-soap \--enable-sockets \--enable-zipmake make testmake installcp php.ini-production /usr/local/php-7.1.5/etc/php.ini相比我本地旧版 PHP-5.3 还缺少：ereglibeventmhash说明：--with-mysql        // 已被弃用mysqlnd            // PHP5.3 以后 PHP 内置的 MYSQL 客服端驱动，以往使用的是 MYSQL 提供的驱动 libmysqlereg        // PHP5.3 开始不建议使用，PHP7 废除mhash        // PHP5.3 开始，mhash 是通过 hash 扩展来模拟的安装 memcached 扩展http://libmemcached.org/libMemcached.htmltar -zxvf libmemcached-1.0.18.tar.gzcd libmemcached-1.0.18./configure -prefix=/usr/local/libmemcached --with-memcachedmake && make installhttp://pecl.php.net/package/memcachedtar -zxvf memcached-3.0.3.tgzcd memcached-3.0.3/usr/local/php-7.1.5/bin/phpize./configure --with-libmemcached-dir=/usr/local/libmemcached --with-php-config=/usr/local/php-7.1.5/bin/php-configmake && make install/usr/local/php-7.1.5/lib/php/extensions/no-debug-zts-20160303/memcached.sovi /usr/local/php-7.1.5/etc/php.iniextension=/usr/local/php-7.1.5/lib/php/extensions/no-debug-zts-20160303/memcached.so/usr/local/apache/bin/apachectl -k restart安装 redis 扩展http://pecl.php.net/package/redistar -zxvf redis-3.1.2.tgzcd redis-3.1.2/usr/local/php-7.1.5/bin/phpize./configure --with-php-config=/usr/local/php-7.1.5/bin/php-configmake && make install/usr/local/php-7.1.5/lib/php/extensions/no-debug-zts-20160303/redis.sovi /usr/local/php-7.1.5/etc/php.iniextension=/usr/local/php-7.1.5/lib/php/extensions/no-debug-zts-20160303/redis.so/usr/local/apache/bin/apachectl -k restart

如果你也使用的 Apache：

vi /usr/local/apache/conf/httpd.conf#LoadModule php5_module        modules/libphp5.soLoadModule php7_module        modules/libphp7.so/usr/local/apache/bin/apachectl -k restart