Let's talk about how to install phpredis extension under Linux system

In PHP development, Redis is a commonly used NoSQL database. It can efficiently process large amounts of data and is widely used in various scenarios, such as caches, counters, queues, etc. Phpredis is a high-performance PHP extension for the Redis database, which provides PHP developers with a simple, efficient, and stable access method. However, before using phpredis, we need to install the phpredis extension into our PHP environment. This article will introduce in detail how to install the phpredis extension under Linux system.

1. Environment preparation

Before starting to install the phpredis extension, we need to ensure that the environment is ready. Specifically, we need to ensure that the following conditions have been met:

• Confirm that PHP has been installed
• Confirm that the Redis database has been installed
• Confirm that the PECL build tool has been installed

If you have not installed the PECL build tool, you can use the following command to install it:

sudo apt-get install php-pear

2. Download the phpredis extension package

We can download it from Download the phpredis extension package from Github. Use the following command to download:

git clone https://github.com/phpredis/phpredis.git

3. Install phpredis extension

We can install the phpredis extension through the following steps:

• Switch to Download directory

Use the cd command to enter the download directory, for example:

cd ~/Downloads/phpredis

• Build and install the extension

Use the following commands to build and install Install the phpredis extension:

sudo phpize
./configure
make && sudo make install

• Configure the php.ini file

After installing the phpredis extension, we need to add it to the PHP configuration file. Edit the php.ini file and add the following at the end of the file:

extension=redis.so

When finished, save and close the file.

• Restart the PHP service

Use the following command to restart the PHP service:

sudo service php5-fpm restart

4. Test the phpredis extension

After the installation is complete, we need to perform some basic tests to verify whether the phpredis extension can work properly. You can create a new php file, such as test.php, and add the following code in it:

<?php $redis = new Redis();
$redis->connect('127.0.0.1', 6379);
$redis->set('name', 'phpredis');
echo $redis->get('name');
?>

After saving, use the following command to run the php file:

php test.php

If no error message is reported, and If "phpredis" is output, it means that the phpredis extension is installed successfully.

The above is how to install the phpredis extension under Linux system. When using the phpredis extension, we need to use it in conjunction with the Redis database. You can refer to the official documentation to learn.

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