Request Lifecycle and Load Order
Learn the order WordPress uses to load plugins, themes, queries, and templates.
Actions, Filters, and Hook Priority
Use WordPress actions and filters to extend behavior without editing core files.
. WordPress Execution Model
Understand how WordPress loads PHP files, runs hooks, chooses templates, and builds a response.
Conditional Tags, Rewrite Rules, and Query Vars
Use WordPress conditionals, query variables, and rewrite rules to control request behavior.