WhatsApp Messenger allows to mass broadcast whatsapp message to predefined groups of users.

WhatsApp Messenger is built using:

• Cron - cronjob.php is script run every minute. It's responsible for sending messages to whatsapp server
• MySQL - stores data (except attachements)
• PHP - 5.3.2+

WhatsApp uses following PHP dependencies:

Slim is a PHP micro framework that helps you quickly write simple yet powerful web applications and APIs.

Used features:

• MVC
• Routing
• Authentication
• Error handling

Twig is a modern template engine for PHP

WhatsAPI is an opensource library developed by Max Kovaljov. It's allows communication Whatsapp servers which include registration, message sending and receiving

There are following directories

• /img, /css, /js - program assets
• /logs - log dir, should be writable
• /upload - attachments dir (for multimedia files), should be writable
• /src - PHP sources
• /tmpl - Twig templates
• /vendor - PHP dependecies
• /index.php - main file
• /config.php - config file

There are two namespaces used by program:

• GitGis::Auth - authentication functions
• GitGis::Whatsapp - main program functions