安装php7.0

apt-get install php7.0
apt-get install php7.0-mbstring
apt-get install php7.0-xml

apt-get install php7.0-cli php7.0-common  php7.0-curl php7.0-gd php7.0-mysql libxml2 libxml2-dev build-essential openssl libssl-dev libcurl4-gnutls-dev libjpeg-dev libpng-dev libmcrypt-dev libreadline6 libreadline6-dev libgd-dev libxslt-dev
//否则composer install 报错

ubuntu14.04安装 php7.0

首先查看下当前源中是否含有php7.0

sudo apt-cache search php7.0

如果没有，则添加源，并更新，然后安装

sudo apt-get install software-properties-common
sudo add-apt-repository ppa:ondrej/phpsudo 
apt-get update

如果有则直接安装

sudo apt-get install php7.0

整合php和Apache

sudo apt-get install libapache2-mod-php7.0
sudo service apache2 restart

laravel安装mongodb扩展

首先安装上面方法添加php最新的扩展源
依次执行

apt-get install mongodb
apt-get install php7.0-mongodb
`#如果apt-get install php7.0-mongodb 报错
执行apt-get install php-mongodb
 重启服务器

其他2种方法参考：http://www.jianshu.com/p/c628bfa4b243

nginx配置php7.0

#修改
vim /etc/nginx/sites-available/default
#将相关配置改为以下

server {
 listen 80 default_server;
 listen [::]:80 default_server;

 # SSL configuration
 #
 # listen 443 ssl default_server;
 # listen [::]:443 ssl default_server;
 #
 # Note: You should disable gzip for SSL traffic.
 # See: https://bugs.debian.org/773332
 #
 # Read up on ssl_ciphers to ensure a secure configuration.
 # See: https://bugs.debian.org/765782
 #
 # Self signed certs generated by the ssl-cert package
 # Don't use them in a production server!
 #
 # include snippets/snakeoil.conf;

 root /var/www/html;

 # Add index.php to the list if you are using PHP
 index index.php index.html index.htm index.nginx-debian.html;

 server_name _;

 location / {
 # First attempt to serve request as file, then
 # as directory, then fall back to displaying a 404.
   try_files $uri $uri/ /index.php?$query_string;    //伪静态
  #try_files $uri $uri/ =404;
 }

 # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
 #
 location ~ \.php$ {
 include snippets/fastcgi-php.conf;

 # With php7.0-cgi alone:
 # fastcgi_pass 127.0.0.1:9000;
 # With php7.0-fpm:
 fastcgi_pass unix:/run/php/php7.0-fpm.sock;
 }

 # deny access to .htaccess files, if Apache's document root
 # concurs with nginx's one
 #
 location ~ /\.ht {
  deny all;
 }
}

vi /etc/php/7.0/fpm/php.ini 
#将 cgi.fix_pathinfo=1 这一行去掉注释，将1改为0
//重启nginx
/etc/init.d/nginx restart