原有版本 PHP7.*，现在想多装一个 PHP5.4 低版本运行一些东西

下载PHP5.4的最新安装包

wget http://cn2.php.NET/get/php-5.4.45.tar.gz/from/this/mirror

./configure --prefix=/usr/local/php54 --with-config-file-path=/usr/local/php54/etc --enable-fpm --with-fpm-user=www --with-fpm-group=www --with-mysql=mysqlnd --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd --with-iconv-dir --with-freetype-dir=/usr/local/freetype --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-mbstring --with-mcrypt --enable-ftp --with-gd --enable-gd-native-ttf --with-openssl --with-mhash --enable-pcntl --enable-sockets --with-xmlrpc --enable-zip --enable-soap --with-gettext --enable-fileinfo --enable-intl --with-xsl

$ make && make install
$ cp -R ./sapi/fpm/php-fpm.conf /usr/local/php54/etc/php-fpm.conf
$ cp php.ini-development /usr/local/php54/lib/php.ini
$ cp -R ./sapi/fpm/php-fpm /etc/init.d/php-fpm54