the_search_query() WordPress Function

function the_search_query() {
	/**
	 * Filters the contents of the search query variable for display.
	 *
	 * @since 2.3.0
	 *
	 * @param mixed $search Contents of the search query variable.
	 */
	echo esc_attr( apply_filters( 'the_search_query', get_search_query( false ) ) );
}
Uses	Description
wp-includes/formatting.php:esc_attr()	Escaping for HTML attributes.
wp-includes/general-template.php:the_search_query	Filters the contents of the search query variable for display.
wp-includes/general-template.php:get_search_query()	Retrieves the contents of the search WordPress query variable.
wp-includes/plugin.php:apply_filters()	Calls the callback functions that have been added to a filter hook.