Learn about the WordPress 'do_signup_header' PHP function, including its usage and examples, in this informative article

Regular Expression callable for do_shortcode() for calling shortcode hook.

Searches only inside HTML elements for shortcodes and process them.

Prints out all settings sections added to a particular settings page.

Prints out the settings fields for a particular settings section.

​The article provides information on using the WordPress `do_robots()` PHP function which displays the default robots

Learn about the unused WordPress function "documentation_link()" in this informative article, including its purpose, usage, parameters, and more

​The `display_themes()` function in WordPress is used to print a theme on the Install Themes page

Displays the amount of disk space used by the current site. Not used in core.