How to install PHP 7.2 in Linux system

PHP is a widely used programming language, especially in the field of web development. PHP is built on the server side and can generate dynamic page content. The latest version of PHP is PHP 7.2. Its performance has been significantly improved compared to the previous version, so more and more developers and enterprises choose to upgrade to PHP 7.2. This article will introduce how to install PHP 7.2 in Linux system.

1. Environmental requirements

Before installing PHP 7.2, you first need to ensure that the following dependency packages have been installed:

1. GCC compiler
2. libxml2 -devel
3. openssl-devel
4. bzip2-devel
5. libcurl-devel
6. libjpeg-devel
7. libpng-devel
8. freetype-devel
9. readline-devel
10. libxslt-devel
11. oniguruma-devel

In CentOS system, you can pass the following Command to install these dependent packages:

sudo yum install gcc libxml2-devel openssl-devel bzip2-devel libcurl-devel libjpeg-devel libpng-devel freetype-devel readline-devel libxslt-devel oniguruma-devel

2. Install PHP 7.2

1. Download PHP 7.2 source code

First you need to download PHP 7.2 from the PHP official website The source code, the download address is http://php.net/downloads.php, you can also download it through the following command:

wget -O php-7.2.30.tar.gz http://hk1.php.net/get/php-7.2.30.tar.gz/from/this/mirror

2. Unzip the source code file

Unzip the downloaded php-7.2.30.tar.gz to the /usr/local/src directory:

sudo tar zxvf php-7.2.30.tar.gz -C /usr/local/src

3. Compile the PHP source code file

After entering the decompression Directory:

cd /usr/local/src/php-7.2.30

Configure PHP installation options:

sudo ./configure --prefix=/usr/local/php --enable-fpm --with-fpm-user=www-data --with-fpm-group=www-data --with-mysqli --with-libxml-dir --with-openssl --with-pcre-regex --with-zlib --enable-calendar --with-curl --with-gd --with-jpeg-dir --with-png-dir --with-freetype-dir --enable-gd-native-ttf --with-gettext --with-mhash --with-readline --with-xmlrpc --with-xsl --enable-opcache --enable-mbstring --enable-intl --enable-pcntl --with-pear

Command explanation:

--prefix: Specify the PHP installation directory;

--enable -fpm: Enable PHP-FPM support;

--with-fpm-user: PHP-FPM running user;

--with-fpm-group: PHP-FPM running user Group;

--with-mysqli: use MySQLi database extension;

--with-libxml-dir: use libxml2 library;

--with-openssl: use OpenSSL library;

--with-pcre-regex: use PCRE regular expression library;

--with-zlib: use zlib library;

--enable- calendar: Enable the built-in calendar function;

--with-curl: Use cURL extension;

--with-gd: Use the GD library;

--with- jpeg-dir: Use JPEG image library;

--with-png-dir: Use PNG image library;

--with-freetype-dir: Use FreeType font library;

--enable-gd-native-ttf: Enable TrueType font support of the GD library;

--with-gettext: Use the Gettext internationalization library;

--with-mhash : Use the MHASH hash function library;

--with-readline: Use the GNU Readline library;

--with-xmlrpc: Enable XML-RPC support;

- -with-xsl: Use XSL extension;

--enable-opcache: Enable OPcache;

--enable-mbstring: Enable multi-byte string support;

--enable-intl: Enable internationalization support;

--enable-pcntl: Enable process control support;

--with-pear: Install the PEAR extension management tool;

After the command is executed, you can check whether there are any unsupported options by executing the following command:

sudo make clean
sudo make clean all

Compile source code:

sudo make -j4

4. Install PHP

After successful compilation, you can use the following command to install PHP:

sudo make install

5. Configure PHP

Copy the PHP configuration file to the correct location:

sudo cp /usr/local/src/php-7.2.30/php.ini-development /usr/local/php/lib/php.ini

Create PHP-FPM configuration file:

sudo cp /usr/local/src/php-7.2.30/sapi/fpm/php-fpm.conf.in /usr/local/php/etc/php-fpm.conf

Create PHP-FPM startup script:

sudo cp /usr/local/src/php-7.2.30/sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm

Modify PHP-FPM startup script:

sudo sed -i 's,“@prefix@”,/usr/local/php,g' /etc/init.d/php-fpm

Add PHP-FPM startup automatically Start:

sudo systemctl daemon-reload
sudo systemctl enable php-fpm.service

6. Check PHP version

Finally, execute the following command to check whether PHP 7.2 has been installed correctly:

/usr/local/php/bin/php -v

If the output version number is PHP 7.2.x, it means that PHP has been successfully installed.

3. Summary

PHP is a flexible and efficient programming language and an important tool for web development. In this article, we have covered the detailed steps to install PHP 7.2 in Linux system. Through the above steps, you can quickly install and configure PHP, allowing you to carry out web development work more smoothly.

The above is the detailed content of How to install PHP 7.2 in Linux system. For more information, please follow other related articles on the PHP Chinese website!