predisHow do I install PHP Redis on Ubuntu 20.04?

1. Install the Redis server using the apt command:

sudo apt install redis-server

2. Once the installation is complete, you can start the Redis server using the systemctl command:

sudo systemctl start redis-server

3. Now, you can install the PHP Redis extension with the following command:

sudo apt install php-redis

4. After the installation is complete, you can enable the extension by editing the php.ini file.

   sudo nano /etc/php/7.4/apache2/php.ini

5. Add the following line to the php.ini file to enable the Redis extension:

extension=redis.so

6. Finally, restart the Apache web server to apply the changes.

   sudo systemctl restart apache2

7. To test the installation, create a PHP file with the following code:

<?php
$redis = new Redis();
if ($redis->connect('127.0.0.1', 6379)) {
    echo "Connection to server sucessfully";
} else {
    echo "Connection to server failed";
}
?>

The output should be:

Connection to server sucessfully

Helpful links

• Redis Quick Start
• How To Install and Use Redis on Ubuntu 20.04

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