编译安装 php5.6

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下载php56

http://cn2.php.net

解压：

tar -zxvf php-5.6.xx.tar.gz

进入php56目录，configure， 注意下自己安装目录

./configure  --enable-fpm  --with-fpm-user=www  --with-fpm-group=www  --prefix=/usr/local/php-56  --with-config-file-path=/etc/php/56  --sysconfdir=/etc/php/56  --with-config-file-scan-dir=/etc/php/56/conf.d  --enable-mbstring  --enable-pcntl  --with-mysql=mysqlnd  --with-zlib  --with-png-dir  --with-jpeg-dir  --with-freetype-dir  --with-gd  --enable-gd-native-ttf  --with-curl=shared  --with-mysqli=mysqlnd  --enable-soap=shared  --enable-sockets=shared  --enable-mysqlnd  --with-pdo-mysql=mysqlnd  --with-gettext=shared  --with-mcrypt=shared  --with-openssl=shared

将php56软链到/usr/sbin下

sudo ln -s /usr/local/php-56/bin/php php56

php扩展的目录，请看configure --prefix参数，如上配置 /usr/local/php-56/lib/php/extensions/，扩展的配置文件请看configure   --with-config-file-path参数，如上 /etc/php/56，在/etc/php/56目录下建立conf.d目录，扩展配置的配置文件放到conf.d目录下，如mcrypt.so扩展配置文件mcrypt.ini

extension=mcrypt.so

添加php56-fpm service，在/etc/init.d目录下新建php56-fpm文件，文件内容

#! /bin/sh

### BEGIN INIT INFO
# Provides:          php-fpm
# Required-Start:    $remote_fs $network
# Required-Stop:     $remote_fs $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts php-fpm
# Description:       starts the PHP FastCGI Process Manager daemon
### END INIT INFO

prefix=/usr/local/php-56
exec_prefix=${prefix}

php_fpm_BIN=${exec_prefix}/sbin/php-fpm
php_fpm_CONF=/etc/php/56/php-fpm.conf
php_fpm_PID=${prefix}/var/run/php-fpm.pid


php_opts="--fpm-config $php_fpm_CONF"


wait_for_pid () {
        try=0

        while test $try -lt 35 ; do

                case "$1" in
                        'created')
                        if [ -f "$2" ] ; then
                                try=''
                                break
                        fi
                        ;;

                        'removed')
                        if [ ! -f "$2" ] ; then
                                try=''
                                break
                        fi
                        ;;
                esac

                echo -n .
                try=`expr $try + 1`
                sleep 1

        done

}

case "$1" in
        start)
                echo -n "Starting php-fpm "

                $php_fpm_BIN $php_opts

                if [ "$?" != 0 ] ; then
                        echo " failed"
                        exit 1
                fi

                wait_for_pid created $php_fpm_PID

                if [ -n "$try" ] ; then
                        echo " failed"
                        exit 1
                else
                        echo " done"
                fi
        ;;

        stop)
                echo -n "Gracefully shutting down php-fpm "

                if [ ! -r $php_fpm_PID ] ; then
                        echo "warning, no pid file found - php-fpm is not running ?"
                        exit 1
                fi

                kill -QUIT `cat $php_fpm_PID`

                wait_for_pid removed $php_fpm_PID

                if [ -n "$try" ] ; then
                        echo " failed. Use force-quit"
                        exit 1
                else
                        echo " done"
                fi
        ;;

        force-quit)
                echo -n "Terminating php-fpm "

                if [ ! -r $php_fpm_PID ] ; then
                        echo "warning, no pid file found - php-fpm is not running ?"
                        exit 1
                fi

                kill -TERM `cat $php_fpm_PID`

                wait_for_pid removed $php_fpm_PID

                if [ -n "$try" ] ; then
                        echo " failed"
                        exit 1
                else
                        echo " done"
                fi
        ;;

        restart)
                $0 stop
                $0 start
        ;;

        reload)

                echo -n "Reload service php-fpm "

                if [ ! -r $php_fpm_PID ] ; then
                        echo "warning, no pid file found - php-fpm is not running ?"
                        exit 1
                fi

                kill -USR2 `cat $php_fpm_PID`

                echo " done"
        ;;

        *)
                echo "Usage: $0 {start|stop|force-quit|restart|reload}"
                exit 1
        ;;

esac

修改下/etc/php/56/php.ini文件的扩展路径；