源码安装php7.2

`# 安装依赖包
yum install -y gcc gcc-c++  make zlib zlib-devel pcre pcre-devel  
libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel  
libxml2 libxml2-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel 
ncurses ncurses-devel curl curl-devel e2fsprogs e2fsprogs-devel  krb5-devel 
openssl openssl-devel openldap openldap-devel nss_ldap openldap-clients openldap-servers


`# 下载源码包
wget -c http://mirrors.sohu.com/php/php-7.2.13.tar.gz


`# 解压
tar -xzvf  php-7.2.13.tar.gz
cd php-7.2.13


`# 预编译
./configure --prefix=/usr/local/php --with-config-file-path=/usr/local/php  
--enable-mbstring --with-openssl --enable-ftp --with-gd --with-jpeg-dir=/usr  
--with-png-dir=/usr --with-mysql=mysqlnd --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd  
--with-pear --enable-sockets --with-freetype-dir=/usr --with-zlib --with-libxml-dir=/usr  
--with-xmlrpc --enable-zip --enable-fpm --enable-xml --enable-sockets --with-gd --with-zlib 
--with-iconv --enable-zip --with-freetype-dir=/usr/lib/ --enable-soap --enable-pcntl --enable-cli --with-curl


`# 编译并安装
make && make install


`# 拷贝配置文件和启动脚本
cp php.ini-development /usr/local/php/etc/php-fpm.ini
cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf
cp /root/php-7.2.25/sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
chmod o+x /etc/init.d/php-fpm


`# 将php服务加入systemctl
`#(1)自定义添加启动服务文件
vim /usr/lib/systemd/system/php-fpm.service
[Unit]
Description=The PHP FastCGI Process Manager
After=syslog.target network.target

[Service]
Type=simple
PIDFile=/run/php-fpm.pid
ExecStart=/usr/local/php/sbin/php-fpm --nodaemonize --fpm-config /usr/local/php/etc/php-fpm.conf
ExecReload=/bin/kill -USR2 $MAINPID
ExecStop=/bin/kill -SIGINT $MAINPID

[Install]
WantedBy=multi-user.target


`#(2)添加环境变量
export PATH="$PATH:/usr/local/php/sbin"


`#(3)在php.ini解析文件中加入
vim /usr/local/php/etc/php.ini
zend_extension=/usr/local/php/lib/php/extensions/no-debug-non-zts-20170718/opcache.so