WP Codex
How To Register A Widget Area (Sidebar) In WordPress
A widget area, also called a sidebar, is a place in your theme where the site owner can drag and drop widgets from Appearance, Widgets. Register it with register_sidebar() and…
How To Register And Display Navigation Menus In WordPress
Register menu locations in your theme so the site owner can assign menus from Appearance, Menus. Then print each location with wp_nav_menu().
How To Change The Excerpt Length And Read More Text In WordPress
WordPress shows 55 words in excerpts by default and ends them with […]. Two filters let you change both.
How To Add A Custom Meta Box And Save Custom Fields In WordPress
A meta box is an extra panel in the post editor where you can add custom fields, like a subtitle, a price or a link. This example creates a text…
How To Create A Custom Shortcode In WordPress
A shortcode is a small tag in square brackets that the editor replaces with dynamic content. Register one with add_shortcode() and always return the output instead of printing it.
