Complete Guide to Installing PHP7 on Linux CentOS

Complete Guide to Install PHP7 on Linux CentOS

Installing PHP7 on CentOS system is a common task, PHP7 has higher performance compared to previous versions and more new features. This guide will teach you how to install PHP7 on a Linux CentOS system, providing detailed steps and code examples.

Step 1: Update the system

Before you start installing PHP7, you must first ensure that the system is up to date. Run the following command in the terminal to update the system:

sudo yum update

Step 2: Install the necessary software

Installing PHP7 requires some necessary software packages, run the following command to install them:

sudo yum install epel-release yum-utils

Step 3: Install the software source of PHP7

Next, we need to add the software source of PHP7. Run the following command to add the Remi repository:

sudo yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm

Then enable the Remi repository:

sudo yum-config-manager --enable remi-php7

Step 4: Install PHP7

Now you can install PHP7, run the following command to Install PHP7 and its common extensions:

sudo yum install php php-cli php-fpm php-mysql php-xml php-mbstring php-json

Step 5: Configure PHP

After the installation is completed, some basic configuration of PHP is required. You can edit the /etc/php.ini file to modify PHP settings, such as adjusting memory limits, time zones, etc.

sudo vi /etc/php.ini

Step 6: Start the PHP-FPM service

Start the PHP-FPM service so that PHP7 can run normally:

sudo systemctl start php-fpm

Step 7: Set PHP-FPM to start automatically at boot

Run the following command to set up PHP-FPM to start automatically at boot:

sudo systemctl enable php-fpm

Step 8: Verify PHP7 installation

Finally, you can create a simple phpinfo.php file to verify Whether PHP7 has been successfully installed. Create a new file phpinfo.php in the /var/www/html directory and add the following content:

<?php
phpinfo();
?>

Enter your server IP address or domain name plus phpinfo.php in the browser, for example: http ://your_server_ip/phpinfo.php to view the detailed information of PHP7.

At this point, you have successfully installed PHP7 on your CentOS system and can start using it in your projects. I hope this tutorial can help you successfully install PHP7, and happy coding!

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