参考文档：http://blog.csdn.net/wufei1314a/article/details/52299967
1.下载php7源码包
# cd /root & wget -O php7.tar.gz http://cn2.php.net/get/php-7.0.1.tar.gz/from/this/mirror
2.解压源码包
# tar -xvf php7.tar.gz
3.安装php依赖包
# yum install libxml2 libxml2-devel openssl openssl-devel bzip2 bzip2-devel libcurl libcurl-devel libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel gmp gmp-devel libmcrypt-devel readline readline-devel libxslt libxslt-devel
安装libmcrypt
wget https://nchc.dl.sourceforge.net/project/mcrypt/Libmcrypt/2.5.8/libmcrypt-2.5.8.tar.gz
tar -zxvf libmcrypt-2.5.8.tar.gz
cd libmcrypt-2.5.8
./configure --prefix=/usr/local/libmcrypt
make && make install
4.进入目录
# cd php-7.0.1
5.编译配置，这里如果上一步的某些依赖包没有安装好，就会遇到很多configure error，我们一一解决，安装上相关软件开发包就可以
# ./configure
--prefix=/usr/local/web/php
--with-config-file-path=/usr/local/web/php/etc
--enable-fpm
--with-fpm-user=nginx
--with-fpm-group=nginx
--enable-inline-optimization
--disable-debug
--disable-rpath
--enable-shared
--enable-soap
--with-libxml-dir
--with-xmlrpc
--with-openssl
--with-mcrypt=/usr/local/libmcrypt
--with-mhash
--with-pcre-regex
--with-sqlite3
--with-zlib
--enable-bcmath
--with-iconv
--with-bz2
--enable-calendar
--with-curl
--with-cdb
--enable-dom
--enable-exif
--enable-fileinfo
--enable-filter
--with-pcre-dir
--enable-ftp
--with-gd
--with-openssl-dir
--with-jpeg-dir
--with-png-dir
--with-zlib-dir
--with-freetype-dir
--enable-gd-native-ttf
--enable-gd-jis-conv
--with-gettext
--with-gmp
--with-mhash
--enable-json
--enable-mbstring
--enable-mbregex
--enable-mbregex-backtrack
--with-libmbfl
--with-onig
--enable-pdo
--with-mysqli=mysqlnd
--with-pdo-mysql=mysqlnd
--with-zlib-dir
--with-pdo-sqlite
--with-readline
--enable-session
--enable-shmop
--enable-simplexml
--enable-sockets
--enable-sysvmsg
--enable-sysvsem
--enable-sysvshm
--enable-wddx
--with-libxml-dir
--with-xsl
--enable-zip
--enable-mysqlnd-compression-support
--with-pear
--enable-opcache
configure error:
1.configure: error: xml2-config not found. Please check your libxml2 installation.
解决：
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<span style="color: #ff0000"># yum install libxml2 libxml2-devel</span> |
2.configure: error: Cannot find OpenSSL's <evp.h>
解决：
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<span style="color: #ff0000"># yum install openssl openssl-devel</span> |
3.configure: error: Please reinstall the BZip2 distribution
解决：
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<span style="color: #ff0000"># yum install bzip2 bzip2-devel</span> |
4.configure: error: Please reinstall the libcurl distribution - easy.h should be in <curl-dir>/include/curl/
解决：
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<span style="color: #ff0000"># yum install libcurl libcurl-devel</span> |
5.If configure fails try --with-webp-dir=<DIR> configure: error: jpeglib.h not found.
解决：
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<span style="color: #ff0000"># yum install libjpeg libjpeg-devel</span> |
6.If configure fails try --with-webp-dir=<DIR>
checking for jpeg_read_header in -ljpeg... yes
configure: error: png.h not found.
解决：
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<span style="color: #ff0000"># yum install libpng libpng-devel</span> |
7.If configure fails try --with-webp-dir=<DIR>
checking for jpeg_read_header in -ljpeg... yes
checking for png_write_image in -lpng... yes
If configure fails try --with-xpm-dir=<DIR>
configure: error: freetype-config not found.
解决：
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<span style="color: #ff0000"># yum install freetype freetype-devel</span> |
8.configure: error: Unable to locate gmp.h
解决：
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<span style="color: #ff0000"># yum install gmp gmp-devel</span> |
9.configure: error: mcrypt.h not found. Please reinstall libmcrypt.
解决：
# yum install libmcrypt libmcrypt-devel
10.configure: error: Please reinstall readline - I cannot find readline.h
解决：
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<span style="color: #ff0000"># yum install readline readline-devel</span> |
11.configure: error: xslt-config not found. Please reinstall the libxslt >= 1.1.0 distribution
解决：
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<span style="color: #ff0000"># yum install libxslt libxslt-devel</span> |
6.编译与安装
# make && make install
这里要make好久，要耐心一下
7.添加 PHP 命令到环境变量
# vim /etc/profile
在末尾加入
PATH=$PATH:/usr/local/web/php/bin
export PATH
要使改动立即生效执行
# source /etc/profile
查看环境变量
# echo $PATH
查看php版本
# php -v
8.配置php-fpm
# cp php.ini-production /etc/php.ini
# cp /usr/local/web/php/etc/php-fpm.conf.default /usr/local/web/php/etc/php-fpm.conf # cp /usr/local/web/php/etc/php-fpm.d/www.conf.default /usr/local/web/php/etc/php-fpm.d/www.conf
# cp sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
# chmod +x /etc/init.d/php-fpm
PHP-fpm配置参考：http://www.cnblogs.com/yangchunlong/p/8480258.html
9.启动php-fpm
# /etc/init.d/php-fpm start
宝塔界面安装参考：ttps://www.cnblogs.com/paul8339/p/7065799.html
php.ini常用配置项：http://blog.csdn.net/wkupaochuan/article/details/8646738