编译安装PHP5.6并与PHP7.0共存

发布时间：2020-09-17 18:49:54编辑：文明阅读（944）

    考虑到生产环境下，部分旧应用不支持PHP7.0以上版本的问题，需要PHP5.6与PHP7.x共存，在Nginx的配置文件修改fastcgi_pass参数，即可切换至PHP5.6版本

    1. fastcgi_pass unix:/dev/shm/php-cgi.sock;

    2. #修改为

    3. fastcgi_pass unix:/dev/shm/php5-cgi.sock;

    [2019年最后一次更新，系统为CentOS7]

    ① 下载源码包

    1. wget http://cn2.php.net/distributions/php-5.6.40.tar.gz

    2. wget http://jaist.dl.sourceforge.net/project/mhash/mhash/0.9.9.9/mhash-0.9.9.9.tar.gz

    3. wget http://jaist.dl.sourceforge.net/project/mcrypt/Libmcrypt/2.5.8/libmcrypt-2.5.8.tar.gz

    4. wget http://jaist.dl.sourceforge.net/project/mcrypt/MCrypt/2.6.8/mcrypt-2.6.8.tar.gz

    5. wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.16.tar.gz

    6. wget http://pecl.php.net/get/pthreads-3.1.6.tgz

    ② 安装所需的支持库
    （如之前编译安装过PHP请跳过这一步）

    1. tar zxvf libiconv-1.16.tar.gz

    2. cd libiconv-1.16/

    3. ./configure --prefix=/usr/local

    4. make

    5. make instal

    6. make clean

    7. cd ../

    9. tar zxvf libmcrypt-2.5.8.tar.gz

    10. cd libmcrypt-2.5.8/

    11. ./configure

    12. make

    13. make install

    14. /sbin/ldconfig

    15. cd libltdl/

    16. ./configure --enable-ltdl-install

    17. make

    18. make install

    19. cd ../

    20. make clean

    21. cd ../

    23. tar zxvf mhash-0.9.9.9.tar.gz

    24. cd mhash-0.9.9.9/

    25. ./configure

    26. make

    27. make install

    28. make clean

    29. cd ../

    31. ln -s /usr/local/lib/libmcrypt.la /usr/lib/libmcrypt.la

    32. ln -s /usr/local/lib/libmcrypt.so /usr/lib/libmcrypt.so

    33. ln -s /usr/local/lib/libmcrypt.so.4 /usr/lib/libmcrypt.so.4

    34. ln -s /usr/local/lib/libmcrypt.so.4.4.8 /usr/lib/libmcrypt.so.4.4.8

    35. ln -s /usr/local/lib/libmhash.a /usr/lib/libmhash.a

    36. ln -s /usr/local/lib/libmhash.la /usr/lib/libmhash.la

    37. ln -s /usr/local/lib/libmhash.so /usr/lib/libmhash.so

    38. ln -s /usr/local/lib/libmhash.so.2 /usr/lib/libmhash.so.2

    39. ln -s /usr/local/lib/libmhash.so.2.0.1 /usr/lib/libmhash.so.2.0.1

    40. ln -s /usr/local/bin/libmcrypt-config /usr/bin/libmcrypt-config

    42. tar zxvf mcrypt-2.6.8.tar.gz

    43. cd mcrypt-2.6.8/

    44. /sbin/ldconfig

    45. ./configure

    46. make

    47. make install

    48. make clean

    49. cd ../

    51. cp -frp /usr/lib64/libldap* /usr/lib/

    ③ 编译安装PHP5.6

    tar zxvf php-5.6.40.tar.gz
cd php-5.6.40/
./configure --prefix=/usr/local/webserver/php5 --with-config-file-path=/usr/local/webserver/php5/etc --with-mysql --with-mysqli --with-pdo-mysql --with-mysql-sock=/data0/mysql/3306/mysql.sock --with-iconv-dir=/usr/local --with-freetype-dir --with-jpeg-dir --with-png-dir --with-zlib --with-libxml-dir=/usr --disable-mysqlnd-compression-support --enable-xml --disable-rpath --enable-bcmath --enable-shmop --enable-sysvsem --enable-inline-optimization --with-curl --enable-mbregex --enable-fpm --with-mcrypt=usr/lib --with-gd --enable-gd-native-ttf --with-openssl --with-mhash --enable-pcntl --enable-sockets --with-xmlrpc --enable-zip --enable-soap --enable-mbstring --enable-opcache --enable-maintainer-zts
make ZEND_EXTRA_LIBS=\'-liconv\'
make install
cp php.ini-production /usr/local/webserver/php5/etc/php.ini
mv /usr/local/webserver/php5/etc/php-fpm.conf.default /usr/local/webserver/php5/etc/php-fpm.conf
make clean
cd ../

    ④ 编译安装PHP扩展模块

    更多的扩展程序均可参考该案例编译安装。

    tar zxvf pthreads-3.1.6.tgz
cd pthreads-3.1.6/
/usr/local/webserver/php5/bin/phpize
./configure --with-php-config=/usr/local/webserver/php5/bin/php-config
make
make install
make clean
cd ../

    注：pthreads是真正让PHP支持多线程的扩展，由于PHP7.0之前的版本效率较低，可使用该扩展，大幅度缩短程序执行时间。如果只是部署一些不支持PHP7版本的开源程序（例如Discuz），需二次开发源码才可支持多线程，则无需安装该扩展。

    ⑤ 修改PHP配置文件

    修改 /usr/local/webserver/php5/etc/php.ini 中的以下参数

    disable_functions = passthru,exec,system,chroot,chgrp,chown,shell_exec,proc_open,proc_get_status,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,stream_socket_server,fsocket,popen
short_open_tag = On
realpath_cache_size = 512k
expose_php = Off
max_execution_time = 600
memory_limit = 256M
post_max_size = 200M
upload_max_filesize = 10M
date.timezone = Asia/Shanghai
opcache.enable=1
opcache.enable_cli = 1
opcache.memory_consumption = 128
opcache.interned_strings_buffer = 8
opcache.max_accelerated_files = 4000
opcache.max_wasted_percentage=5
opcache.use_cwd=1
opcache.validate_timestamps=1
opcache.revalidate_freq = 60
opcache.fast_shutdown = 1
opcache.consistency_checks=0
extension_dir = "/usr/local/webserver/php5/lib/php/extensions/no-debug-zts-20131226"

#并在下方添加
zend_extension = "/usr/local/webserver/php5/lib/php/extensions/no-debug-zts-20131226/opcache.so"
extension = "pthreads.so"

    ⑥ 创建www用户和用户组
    （如之前编译安装PHP时已创建则跳过这一步）

    1. /usr/sbin/groupadd www

    2. /usr/sbin/useradd -g www www

    ⑦ 设置php-fpm

    如已安装PHP7.x版本，注意listen参数不要与PHP7.x冲突。版本共存的原理：即通过listen参数的差异，实现在nginx配置文件修改fastcgi_pass参数切换PHP版本。

    vi /usr/local/webserver/php5/etc/php-fpm.conf
#修改以下参数
pid = run/php-fpm.pid
log_level = warning
emergency_restart_threshold = 20
emergency_restart_interval = 60s
process_control_timeout = 5s
user = www
group = www
listen = /dev/shm/php5-cgi.sock
listen.backlog = -1
listen.owner = www
listen.group = www
listen.mode = 0660
pm = dynamic
pm.max_children = 46
pm.start_servers = 31
pm.min_spare_servers = 16
pm.max_spare_servers = 46
pm.process_idle_timeout = 10s
pm.max_requests = 2048
request_terminate_timeout = 120
pm.status_path = /status
slowlog = log/slow.log
rlimit_files = 51200
rlimit_core = 0
catch_workers_output = yes

    ⑧ 配置PHP5.6服务脚本

    创建服务脚本

    1. vi /usr/lib/systemd/system/php5-fpm.service

    2. #输入以下内容

    3. [Unit]

    4. Description=The PHP5 FastCGI Process Manager

    5. After=syslog.target network.target

    7. [Service]

    8. Type=forking

    9. PIDFile=/usr/local/webserver/php5/var/run/php-fpm.pid

    10. ExecStart=/usr/local/webserver/php5/sbin/php-fpm --fpm-config /usr/local/webserver/php5/etc/php-fpm.conf

    11. ExecReload=/bin/kill -USR2 $MAINPID

    12. PrivateTmp=true

    14. [Install]

    15. WantedBy=multi-user.target

    加入启动项

    systemctl enable php5-fpm

    启动PHP5.6服务

    1. systemctl start php5-fpm

    ⑨ PHP7.x切换至PHP 5.6版本示例

    在nginx的配置文件中，找到以下部分：

    location ~ .*\.(php|php5)?$ {
try_files $uri =404;
fastcgi_pass  unix:/dev/shm/php-cgi.sock;
#或fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
include fastcgi.conf;
}

    修改第3行为

    1. location ~ .*\.(php|php5)?$ {

    2. try_files $uri =404;

    3. fastcgi_pass  unix:/dev/shm/php5-cgi.sock;

    4. fastcgi_index index.php;

    5. include fastcgi.conf;

    6. }

    即可在PHP7.x与5.6共存的情况下，切换至PHP5.6版本。


    php5-fpm文件内容：

    #! /bin/sh


    ### BEGIN INIT INFO

    # Provides:          php5-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/webserver/php5

    exec_prefix=${prefix}


    php_fpm_BIN=${exec_prefix}/sbin/php-fpm

    php_fpm_CONF=${prefix}/etc/php-fpm.conf

    php_fpm_PID=${prefix}/var/run/php-fpm.pid



    php_opts="--fpm-config $php_fpm_CONF --pid $php_fpm_PID"



    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 --daemonize $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

    ;;


    status)

    if [ ! -r $php_fpm_PID ] ; then

    echo "php-fpm is stopped"

    exit 0

    fi


    PID=`cat $php_fpm_PID`

    if ps -p $PID | grep -q $PID; then

    echo "php-fpm (pid $PID) is running..."

    else

    echo "php-fpm dead but pid file exists"

    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"

    ;;


    configtest)

    $php_fpm_BIN -t

    ;;


    *)

    echo "Usage: $0 {start|stop|force-quit|restart|reload|status|configtest}"

    exit 1

    ;;


    esac



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