PHP7的性能號稱是5.x的3倍以上，是一個值得嘗試的大版本更新，但常用的擴展目前還沒有更新到pecl/pear中，故本文記錄一下安裝的步驟（以debian系列示例）。
sudo apt-get install -y libmcrypt-dev libcurl4-openssl-dev
./configure \
--prefix=/usr/local/php7 \
--with-config-file-path=/usr/local/php7/etc \
--with-iconv-dir=/usr/local \
--with-mysqli \
--with-iconv-dir=/usr/local \
--with-freetype-dir \
--with-jpeg-dir \
--with-png-dir \
--with-zlib \
--with-libxml-dir=/usr \
--enable-xml \
--disable-rpath \
--enable-bcmath \
--enable-shmop \
--enable-sysvsem \
--enable-inline-optimization \
--with-curl \
--enable-mbregex \
--enable-fpm \
--enable-mbstring \
--with-mcrypt \
--with-gd \
--enable-gd-native-ttf \
--with-openssl \
--with-mhash \
--enable-pcntl \
--enable-sockets \
--with-xmlrpc \
--enable-zip \
--enable-soap
If any error happens, check error message to see missing what, then use ‘sudo apt-get install -y [pkg]-dev’ to install the missing one.
sudo apt-get update
sudo apt-get install build-essential libmemcached-dev
git clone https://github.com/php-memcached-dev/php-memcached
cd php-memcached
git checkout -b php7 origin/php7
/usr/local/php7/bin/phpize
./configure --with-php-config=/usr/local/php7/bin/php-config --disable-memcached-sasl
make
sudo make install
git clone https://github.com/phpredis/phpredis.git
cd phpredis
git checkout -b php7 origin/php7
/usr/local/php7/bin/phpize
./configure --with-php-config=/usr/local/php7/bin/php-config
make
sudo make install