# SoSci Survey Developer Documentation for LLMs > This documentation is designed for AI coding assistants (ChatGPT, Gemini, Claude). > SoSci Survey uses a specialized, sandboxed PHP environment. Standard PHP patterns (like global variables, direct I/O or direct database access) will fail. ## Core Documentation (Must Read) - Sandbox Rules & Context: https://www.soscisurvey.de/help/doku.php/en:create:functions:ai_context?do=export_xhtmlbody - Content and sandbox structure: https://www.soscisurvey.de/help/doku.php/en:ai?do=export_xhtmlbody - Essential Functions List: https://www.soscisurvey.de/help/doku.php/en:create:functions:reference?do=export_xhtmlbody ## Specific Topics - Accessing User Input (value): https://www.soscisurvey.de/help/doku.php/en:create:functions:value?do=export_xhtmlbody - Flow Control: https://www.soscisurvey.de/help/doku.php/en:create:filters?do=export_xhtmlbody ## Questions and Answers - Online Support (Q2A): https://support.soscisurvey.de/