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Install php

1. Installation preparation

   yum install \
   vim \
   gcc \
   gcc-c++ \
   wget \
   make \
   re2c \
   libtool \
   automake \
   autoconf \
   curl-devel \
   libpng-devel \
   libxml2-devel \
   libxslt-devel \
   openssl-devel \
   freetype-devel \
   bzip2-devel \
   libicu-devel \
   libuuid-devel \
   libmcrypt-devel \
   postgresql-devel \
   -y

2. Install php

   cd /root
   wget http://cn2.php.net/distributions/php-7.2.6.tar.gz
   tar -zxvf php-7.2.6.tar.gz
   cd php-7.2.6
   ./configure \
   --prefix=/usr/local/php \
   --enable-mysqlnd \
   --with-openssl \
   --enable-fpm
   
   # If you have installed apache under the path of / usr/local/apache / and want php to run under apache, you need to add:
   # --with-apxs2=/usr/local/apache/bin/apxs
   # Or -- with-apxs2=/usr/local/apache/bin/apxs2
   # Apxs has been renamed apxs2 in some apache distributions
   
   make
   make install
   
   # If apache is installed in / usr/local/apache / path and you want php to run in apache, apache does not need to be recompiled
   # At this time, there is an additional libphp7.so file under / usr/local/apache/modules /
   # Edit / etc/httpd/httpd.conf to add the following line:
   
   LoadModule php7_module modules/libphp7.so
   DocumentRoot "/www"
   <FilesMatch \.php$>
       SetHandler application/x-httpd-php
   </FilesMatch>
   
   # Edit / www/index.php as follows:
   
   <?php
   phpinfo();
   
   # Restart apache
   # Visit http://xxx.xxx.xxx.xxx/index.php

3. Generate php.ini, php-fpm.conf, www.conf

   # Check if php.ini is placed correctly (only if the first line is not none)
   /usr/local/php/bin/php --ini
   
   //Deployment environment execution:
   cp ./php.ini-production /usr/local/php/lib/php.ini
   
   //Development environment execution:
   cp ./php.ini-development /usr/local/php/lib/php.ini
   
   # Copy php-fpm.conf
   cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf
   
   # PHP7 is executed (in PHP5, the configuration item of www.conf is PHP FPM. CONF)
   cp /usr/local/php/etc/php-fpm.d/www.conf.default /usr/local/php/etc/php-fpm.d/www.conf

4. php.ini general configuration

   # Download cacert.pem
   cd /usr/local/php/lib
   wget https://curl.haxx.se/ca/cacert.pem
   
   vim /usr/local/php/lib/php.ini
   
   ;php Version information hiding
   expose_php=Off
   
   ;Prevent display php Error output,Off: Do not output but log
   display_errors=Off
   
   ;Prevent users from masquerading executable files as static files(Such as pictures and documents)After uploading, access WEB Page to execute the file
   cgi.fix_pathinfo=0
   
   ;Allow single file upload up to 20 M
   upload_max_filesize=20M
   
   ;session.name If you develop your own program, you can change it,But if you are deploying an existing project,Modification may result in session Abnormal related functions
   session.name=self_key
   
   ;10 per request session Of key,Check 1 times key Need to expire deletion
   session.gc_probability=1
   session.gc_divisor=1000
   
   ;Set up session Default 5 minutes(300 second)Be overdue
   session.gc_maxlifetime=1440
   
   ;Time zone Shanghai, China
   date.timezone=Asia/Shanghai
   
   ;curl,openssl To configure cacert.pem
   curl.cainfo=/usr/local/php/lib/cacert.pem
   openssl.cafile=/usr/local/php/lib/cacert.pem
   
   ESC
   :wq

5. Configure php-fpm.conf

   vim /usr/local/php/etc/php-fpm.conf
   
   pid=run/php-fpm.pid
   error_log=log/php-fpm.log
   # If the configuration is enabled ↓, the next step cannot be skipped
   rlimit_files=51200
   
   ESC
   :wq

6. Adjust the maximum number of open files (the value is for reference only, rlimit_files is not configured in the previous step, this step can be skipped)

   # Add at the end of the file
   vim /etc/security/limits.conf
   
   * soft nproc 65535
   * hard nproc 65535
   * soft nofile 65535
   * hard nofile 65535
   
   ESC
   :wq

7. Configure www.conf (two schemes with large memory and small memory)

   vim /usr/local/php/etc/php-fpm.d/www.conf
   
   user=www
   group=www
   
   # Static allocation subprocess (1G memory, 640M memory planned for php)
   pm=static
   pm.max_children=20
   pm.start_servers=15
   pm.min_spare_servers=10
   pm.max_spare_servers=20
   pm.process_idle_timeout=10s
   pm.max_requests=500
   slowlog=log/$pool.log.slow
   php_admin_value[memory_limit]=32M
   
   # Dynamic allocation of subprocesses (1G memory, 640M memory planned for php)
   pm=dynamic
   pm.max_children=20
   pm.start_servers=15
   pm.min_spare_servers=10
   pm.max_spare_servers=20
   pm.process_idle_timeout=10s
   pm.max_requests=500
   slowlog=log/$pool.log.slow
   php_admin_value[memory_limit]=32M
   
   ESC
   :wq
   
   # The following configurations are for information only and are not recommended
   listen=127.0.0.1:9000 If changed to listen=/usr/local/php/var/run/php-fpm.sock
   //Then nginx configures fastcgi_pass 127.0.0.1:9000; to change to fastcgi_pass UNIX: / usr / local / PHP / var / run / PHP fpm.sock;

8. Add php to environment variables

   vim /etc/profile
   
   export PATH=$PATH:/usr/local/php/bin
   
   ESC
   :wq
   
   source /etc/profile

9. Install composer

   # Download (zlib extension needs to be installed first)
   cd /usr/local/php/bin
   curl -sS https://getcomposer.org/installer | /usr/local/php/bin/php
   mv ./composer.phar ./composer
   composer -V

10. Start php and set the startup

    # Add www user
    useradd www
    mkdir /www
    chown -R www:www /www
    chown -R www:www /usr/local/php
    
    # Enter the unit file directory
    cd /etc/systemd/system
    vim php7.service
    
    [Unit]
    Description=Start php7 on boot.
    After=network.target
    
    [Service]
    User=root
    Group=root
    Type=forking
    ExecStart=/usr/local/php/sbin/php-fpm
    ExecReload=/bin/kill -USR2 `cat /usr/local/php/var/run/php-fpm.pid`
    ExecStop=/bin/kill -INT `cat /usr/local/php/var/run/php-fpm.pid`
    PrivateTmp=true
    
    [Install]
    WantedBy=multi-user.target
    
    ESC
    :wq
    
    # Modify the file permission so that only root can edit the file
    chown -R root:root /etc/systemd/system/php7.service
    chmod -R 644 /etc/systemd/system/php7.service
    
    # Update systemd
    systemctl daemon-reload
    systemctl enable php7
    systemctl start php7

11. View operation

    # View main process and sub process
    ps aux | grep php-fpm
    
    # View pid file (success if it exists)
    ll /usr/local/php/var/run/

12. php process operations

    # Smooth closing
    kill -INT `cat /usr/local/php/var/run/php-fpm.pid`
    # graceful restart
    kill -USR2 `cat /usr/local/php/var/run/php-fpm.pid`

13. Install php extension

    cd /root/php-7.2.6/ext/xxxx
    /usr/local/php/bin/phpize
    
    -----------------------------------------------------------
    | phpize Pay attention to the following:
    | If you don't find it here config.m4
    | cp ./config0.m4 ./config.m4
    -----------------------------------------------------------
    
    ./configure --with-php-config=/usr/local/php/bin/php-config
    
    -----------------------------------------------------------
    | install GD library configure Pay attention to the following:
    | It's added here for typesetting'|',Hold down Alt Key selection....
    | yum install \
    | libXpm-devel \
    | libpng-devel \
    | libjpeg-devel \
    | libwebp-devel \
    | -y \
    |
    | ./configure \
    | --with-xpm-dir \
    | --with-png-dir \
    | --with-jpeg-dir \
    | --with-webp-dir \
    | --with-zlib-dir \
    | --with-freetype-dir \
    -----------------------------------------------------------
    
    make
    
    -----------------------------------------------------------
    | make Notice the following:
    | Repeat installation PHP Precompiled extensions,Report wrong
    | Installing shared extensions:
    | /usr/local/php/lib/php/extensions/no-debug-non-zts-20151012/
    | cp: cannot stat 'modules/*': No such file or directory
    | make: *** [install-modules] Error 1
    | So do not re install,adopt php -m View installed extensions.
    -----------------------------------------------------------
    
    -----------------------------------------------------------
    | Notice here,install mcrypt Install first. libmcrypt(Some versions Linux system)
    | cd /usr/local/src
    | wget ftp://mcrypt.hellug.gr/pub/crypto/mcrypt/libmcrypt/libmcrypt-2.5.7.tar.gz
    | cd libmcrypt-2.5.7
    | ./configure
    | make
    | make install
    -----------------------------------------------------------
    
    make install
    
    vim /usr/local/php/lib/php.ini
    
    extension=xxxx.so
    
    ESC
    :wq
    
    Zend extend:
    -----------------------------------------------------------
    | Set up opcache.max_accelerated_files Time
    | Execute the following command to get php Number of files
    | find . -type f -print | grep php | wc -l
    | Then, in the following prime number set, find a value that is exactly larger than the value
    | 223, 463, 983, 1979, 3907, 7963, 16229, 32531, 65407, 130987
    | opcache install,To configure php.ini:
    |
    | zend_extension=opcache.so
    | opcache.enable_cli=1
    | opcache.memory_consumption=256
    | opcache.interned_strings_buffer=16
    | opcache.max_accelerated_files=32531
    | opcache.validate_timestamps=1
    | opcache.revalidate_freq=60
    | opcache.fast_shutdown=1
    -----------------------------------------------------------

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15. Common extension ('-' indicates the extension that may have been installed. Check the installed extension before installation to prevent repeated installation)

    bcmath
    - ctype
    curl
    - date
    - fileinfo
    gd
    - hash
    - iconv
    intl
    - json
    mbstring
    mcrypt
    - mysqlnd
    - openssl
    - pcre
    - PDO
    pdo_mysql
    pdo_pgsql
    sockets
    zip
    zlib
    
    mongo (wget http://pecl.php.net/get/mongo-1.6.14.tgz [php7.x.x no longer needed])
    mongodb (wget http://pecl.php.net/get/mongodb-1.2.9.tgz)
    redis (wget http://pecl.php.net/get/redis-3.1.2.tgz)
    uuid (wget http://pecl.php.net/get/uuid-1.0.4.tgz)
    fastcommon (see FastDFS install)
    fastdfs_client (see FastDFS install)
    
    Zend:
        opcache (Document address: http://php.net/manual/zh/opcache.installation.php)

16. php recompile

    cd /root/php-7.2.6
    
    make distclean
    
    ./configure \
    --prefix=/usr/local/php \
    --enable-mysqlnd \
    --with-openssl \
    --enable-fpm \
    
    make
    make install

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