1.2.11 min read
Hooks & Filters
Reference extension points and operational hooks available in version 1.2.1.
Version 1.2.1 exposes a small, conservative extension surface.
Filters
| Filter | Purpose |
|---|---|
vacimg_backup_retention_days | Adjust backup retention days after settings are read. |
vacimg_delivery_fallback | Observe a safe original fallback for an attachment and source path. |
Operational hooks
| Hook | Purpose |
|---|---|
vacimg_cleanup_backups | Scheduled backup cleanup. |
wp_ajax_vacimg_scan_library | Queue scan action. |
wp_ajax_vacimg_process_batch | Queue batch processing action. |
admin_post_vacimg_save_wizard | Setup Wizard save action. |
admin_post_vacimg_skip_wizard | Setup Wizard skip action. |
vacimg_derivatives_updated | Observe an attachment's derivative generation counts. |
Developer guidance
Treat undocumented internal methods as private. Prefer public WordPress hooks, settings, and metadata rather than reaching into service internals.
Related articles
ArchitectureUnderstand the plugin modules, WordPress hooks, admin screens, engines, queue, and metadata flow.Queue SystemReview scan, enqueue, process, retry, state, batch size, and failure handling in the queue.Developer NotesUse these notes when reviewing, extending, or maintaining the plugin source.