Upgrade to phpBB 3.3 / PHP 8 compatibility

[avandenberghe]

Overview

Modernize bbGuild to work with current phpBB (3.3.x) and PHP 8.x versions. The extension has been dormant since 2016 and needs updates to be functional again.

Current State

• as-is: phpBB 3.2.2+ / PHP 5.4.39+
• Target phpBB: 3.3.15
• Target PHP: 8.0 - 8.3

Tasks

Phase 1: Fix Critical Bugs

• General Error after adding Guild #301 - General Error after adding Guild ("Module not accessible")
• ACP - Achievement list error #299 - ACP Achievement list error (wrong array index in pagination)
• ACP region and UCP error's #298 - ACP region and UCP errors (in_array null parameter)

Phase 2: PHP 8 Compatibility

• Fix null parameter handling (stricter in PHP 8)
• Update deprecated function calls
• Fix type errors and return type issues
• Test with PHP 8.0, 8.1, 8.2, 8.3

Phase 3: phpBB 3.3 Compatibility

• Update service container configuration if needed
• Fix template engine changes
• Update deprecated phpBB function calls
• Test extension enable/disable cycle
• Verify all ACP modules work
• Verify all UCP modules work
• Test frontend routes

Environment Requirements (Updated)

phpBB >= 3.3.0
PHP >= 8.0
ext-gd
ext-curl

References

• phpBB 3.3 Extension Migration
• PHP 8 Migration Guide