Getting started with PHP Variables Arrays Functional Programming Types Autoloading Primer Exception Handling and Error Reporting Working with Dates and Time Sending Email Sessions Cookies Classes and Objects Password Hashing Functions Output Buffering JSON SOAP Client Reflection Using cURL in PHP Dependency Injection XML Regular Expressions (regexp/PCRE)Traits Namespaces Parsing HTML Composer Dependency Manager Magic Methods Alternative Syntax for Control Structures File handling Magic Constants Type hinting Multi Threading Extension Filters & Filter Functions Generators Operators Constants UTF-8 URLs Object Serialization PHPDoc Contributing to the PHP Manual String Parsing Loops Control Structures Serialization Closure Reading Request Data Type juggling and Non-Strict Comparison Issues Security PHP MySQLi Command Line Interface (CLI)Localization Debugging Superglobal Variables PHP Unit Testing Variable Scope References Compilation of Errors and Warnings Installing a PHP environment on Windows Datetime Class Headers Manipulation Performance Common Errors Installing on Linux/Unix Environments Contributing to the PHP Core Coding Conventions Using MongoDB Asynchronous programming Using SQLSRV Unicode Support in PHP Functions Create PDF files in PHP How to Detect Client IP Address YAML in PHP Image Processing with GD Multiprocessing SOAP Server Machine learning Cache Streams Array iteration Cryptography PDO SQLite3 Sockets Outputting the Value of a Variable String formatting Compile PHP Extensions mongo-php Manipulating an Array Executing Upon an Array Processing Multiple Arrays Together SPL data structures Comments IMAP Using Redis with PHP Imagick SimpleXML HTTP Authentication Recipes BC Math (Binary Calculator)Docker deployment WebSockets APCu Design Patterns Secure Remeber Me php mysqli affected rows returns 0 when it should return a positive integer PHP Built in server How to break down an URL PSR

Using Redis with PHP

Installing PHP Redis on Ubuntu

To install PHP on Ubuntu, first install the Redis server:

sudo apt install redis-server

then install the PHP module:

sudo apt install php-redis

And restart the Apache server:

sudo service apache2 restart

Connecting to a Redis instance

Assuming a default server running on localhost with the default port, the command to connect to that Redis server would be:

$redis = new Redis();
$redis->connect('127.0.0.1', 6379);

Executing Redis commands in PHP

The Redis PHP module gives access to the same commands as the Redis CLI client so it is quite straightforward to use.

The syntax is as follow:

// Creates two new keys:
$redis->set('mykey-1', 123);
$redis->set('mykey-2', 'abcd');

// Gets one key (prints '123')
var_dump($redis->get('mykey-1'));

// Gets all keys starting with 'my-key-'
// (prints '123', 'abcd')
var_dump($redis->keys('mykey-*'));

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