Auto Language Detector

Colonelserver Auto Language Detector v2.0.0

Automatically detect and assign your clients’ language during registration.
This WHMCS addon analyzes browser locale or IP geolocation to automatically apply the correct interface language for each new client.

Key Features

Detects client language during registration
Detection modes: Browser, IP, or Both
Configurable fallback language
Choose IP lookup source: ipapi.co, ipinfo.io, or local GeoIP2 (reserved)
Built-in logging with retention management
Clean and modern admin UI with Settings, Logs, and About tabs
WHMCS 7.10+ and WHMCS 8.x compatible

How It Works

When a client registers, the module checks the browser’s language (HTTP_ACCEPT_LANGUAGE) or IP address.
The detected language is automatically saved in WHMCS → tblclients.language.
Optionally, the detection result is logged in /modules/addons/colonelserver_autolanguage/logs/detection.log.

Admin UI Overview

The admin area includes:

Settings Tab: Configure detection mode, fallback language, IP source, and logging.
Logs Tab: View detection history and review auto-cleaned log entries.
About Tab: Module details and support links.

? Requirements

Component Minimum WHMCS Version 7.10+ PHP Version 7.4+ Database MySQL / MariaDB Web Server Apache or NGINX

Security & Compliance

CSRF token validation for saving settings
Logs sanitized and automatically rotated
Built with full WHMCS developer compliance

File Structure

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Version Compatibility

Compatible with WHMCS v8.13

Full Version Compatibility

Selected versions of WHMCS v8.13
8.13.0 - 8.13.1
All versions of WHMCS v8.12
All versions of WHMCS v8.11
Selected versions of WHMCS v8.10
8.10.0
Selected versions of WHMCS v8.9
8.9.0
Selected versions of WHMCS v8.8
8.8.0
All versions of WHMCS v8.7
All versions of WHMCS v8.6
All versions of WHMCS v8.5
All versions of WHMCS v8.4
All versions of WHMCS v8.3
All versions of WHMCS v8.2
All versions of WHMCS v8.1
All versions of WHMCS v8.0
All versions of WHMCS v7.10
All versions of WHMCS v7.9
All versions of WHMCS v7.8

System Requirements

PHP 8.1
ionCube Loader

* Requirements listed are in addition to the WHMCS default system requirements.

Support for this product

The best place to start if you need help with a specific product is to contact the developer. All WHMCS Marketplace developers have both a website and support URL listed.

Visit Website Contact Support

Developed By Colonel server

Changelog

v1.1 Released October 27th, 2025

Latest Version

Version 1.1 – October 2025

Added: Email template selection (uses WHMCS email templates directly)

Added: Custom field ID selector for birthday field

Improved: Logging and cron reliability

Optimized for WHMCS 7.10 – 8.10 compatibility