Add a top level menu page

This function takes a capability which will be used to determine whether or not a page is included in the menu.

The function which is hooked in to handle the output of the page must check that the user has the required capability as well.


add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $function = '', $icon_url = '', $position = null )
 (string) The text to be displayed in the title tags of the page when the menu is selected
 (string) The text to be used for the menu
 (string) The capability required for this menu to be displayed to the user.
 (string) The slug name to refer to this menu by (should be unique for this menu)
 (callback) The function to be called to output the content for this page.
Default: ''
 (string) The url to the icon to be used for this menu. Pass a base64-encoded SVG using a data URI, which will be colored to match the color scheme. This should begin with 'data:image/svg+xml;base64,'. Pass the name of a Dashicons helper class to use a font icon, e.g. 'dashicons-chart-pie'. Pass 'none' to leave div.wp-menu-image empty so an icon can be added via CSS.
Default: ''
 (int) The position in the menu order this one should appear
Default: null


(string) The resulting page's hook_suffix


function add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $function = '', $icon_url = '', $position = null ) {
	global $menu, $admin_page_hooks, $_registered_pages, $_parent_pages;

	$menu_slug = plugin_basename( $menu_slug );

	$admin_page_hooks[$menu_slug] = sanitize_title( $menu_title );

	$hookname = get_plugin_page_hookname( $menu_slug, '' );

	if ( !empty( $function ) && !empty( $hookname ) && current_user_can( $capability ) )
		add_action( $hookname, $function );

	if ( empty($icon_url) ) {
		$icon_url = 'dashicons-admin-generic';
		$icon_class = 'menu-icon-generic ';
	} else {
		$icon_url = set_url_scheme( $icon_url );
		$icon_class = '';

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