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Project Type: WordPress Reference

WordPress Navigation Menus API Overview

The Navigation Menus API, introduced in WordPress 3.0, provides a comprehensive system for creating, managing, and displaying navigation menus. It enables theme developers to define menu locations and allows users...

February 12, 2026 Read More

Options API Functions

Core functions for option and transient management. Source: wp-includes/option.php Core Option Functions get_option() Retrieves an option value based on option name. get_option( string $option, mixed $default_value = false ): mixed...

February 12, 2026 Read More

Options API Hooks

Actions and filters for the Options API. Option Filters pre_option_{$option} Short-circuits option retrieval. Return non-false to bypass database lookup. apply_filters( "pre_option_{$option}", mixed $pre_option, string $option, mixed $default_value ) Parameter Type...

February 12, 2026 Read More

Options API

Framework for storing and retrieving site-wide configuration data in WordPress. Since: 1.0.0 Source: wp-includes/option.php Components Component Description functions.md Core option and transient functions hooks.md Actions and filters Core Concepts Options...

February 12, 2026 Read More

WP_Plugin_Dependencies

Static class for resolving plugin dependencies declared via the Requires Plugins header. Source: wp-includes/class-wp-plugin-dependencies.php Since: 6.5.0 Overview All methods are static. The class maintains internal state via static properties and...

February 12, 2026 Read More

WordPress Multisite Functions Reference

Complete reference for all WordPress Multisite API functions. Site Retrieval Functions get_site() Retrieves site data given a site ID or site object. get_site( $site = null ): WP_Site|null Parameters: $site...

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WordPress Multisite Hooks Reference

Complete reference for all WordPress Multisite actions and filters. Site Lifecycle Hooks wp_insert_site Fires once a site has been inserted into the database. do_action( 'wp_insert_site', WP_Site $new_site ) Parameters: $new_site...

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WordPress Multisite Architecture

WordPress Multisite enables running multiple sites from a single WordPress installation. This document covers the core architecture, terminology, and fundamental concepts. Core Concepts Network A Network (historically called "site") is...

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Walker_Nav_Menu Class

The Walker_Nav_Menu class is responsible for rendering navigation menu HTML. It extends the base Walker class and traverses menu items hierarchically to generate properly nested list markup. Class Definition class...

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Navigation Menu Functions

Complete reference for WordPress navigation menu functions. Display Functions wp_nav_menu() Displays a navigation menu. wp_nav_menu( array $args = array() ): void|string|false Parameters: Argument Type Default Description menu int|string|WP_Term '' Menu...

February 12, 2026 Read More
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