How to Install and Configure phpRedis Extension for PHP 7.4 on Linux

Introduction

phpredis is a PHP extension written in C that provides an API to communicate with a Redis key‑value store. It is released under the PHP License 3.01 and was originally developed by Owlient between November 2009 and March 2011. The source code is hosted at https://github.com/phpredis/phpredis.

Installation

Download

$ wget http://pecl.php.net/get/redis-5.3.2.tgz
# (example output showing download progress)

Extract

$ tar -zxvf redis-5.3.2.tgz
# extracts package.xml, liblzf/LICENSE, etc.

Generate configure script

$ /usr/local/php-7.4/bin/phpize
Configuring for:
PHP Api Version: 20190902
Zend Module Api No: 20190902
Zend Extension Api No: 320190902

Configure

Locate the php-config binary and point the configure script to it:

$ sudo find / -name php-config
/usr/local/php-7.4/bin/php-config
$ ./configure --with-php-config=/usr/local/php-7.4/bin/php-config

Compile

$ make -j4

Install

$ sudo make install
Installing shared extensions: /usr/local/php-7.4/lib/php/extensions/no-debug-non-zts-20190902/

Enable the extension

Add the following line to /usr/local/php-7.4/etc/php.ini:

extension=redis.so

Verify installation

From the command line:

$ php -m | grep redis
redis

Or by calling phpinfo() in a script and checking that the Redis section appears.