linux下怎么安装php5

若系统已使用yum安装php, 先卸载php

# rpm -qa | grep php
php-mcrypt-5.3.3-3.el6.x86_64
php-pgsql-5.3.3-46.el6_6.x86_64
php-xmlrpc-5.3.3-46.el6_6.x86_64
...
# rpm -e php-mcrypt-5.3.3
....

下载 PHP 源码包

1. http://php.net/downloads.php，下载所需版本PHP 源码包后， 上传至linux服务器

2. tar xzf php-5.6.14.tar.gz

安装依赖

# yum -y install gcc bison bison-devel zlib-devel libmcrypt-devel mcrypt mhash-devel openssl-devel libxml2-devel libcurl-devel 
bzip2-devel readline-devel libedit-devel sqlite-devel

编译安装

#  ./configure --enable-inline-optimization --disable-debug --disable-rpath --enable-shared --enable-opcache --enable-fpm --with-mysql --with-mysqli --with-pdo-mysql --with-gettext --enable-mbstring --with-iconv --with-mcrypt --with-mhash --with-openssl --enable-bcmath --enable-soap --with-libxml-dir --enable-pcntl --enable-shmop --enable-sysvmsg --enable-sysvsem --enable-sysvshm --enable-sockets --with-curl --with-zlib --enable-zip --with-bz2 --with-readline
# make
# make install

如果想重新安装：

# make clean
# make clean all
# ./configure...
# make
# make install

配置 PHP

配置文件：

# cp php.ini-development /usr/local/php56/etc/php.ini

php-fpm 服务

# cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf
# cp sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
# chmod +x /etc/init.d/php-fpm

启动 php-fpm

# service php-fpm start
Starting php-fpm  done

推荐学习：《PHP视频教程》

以上就是linux下怎么安装php5的详细内容！

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