wp_roles()

Retrieves the global WP_Roles instance and instantiates it if necessary.

Description

Return

(WP_Roles) WP_Roles global instance if not already instantiated.

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Source

File: wp-includes/capabilities.php 

function wp_roles() {
	global $wp_roles;

	if ( ! isset( $wp_roles ) ) {
		$wp_roles = new WP_Roles();
	}
	return $wp_roles;
}

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Changelog

Version Description
4.3.0 Introduced.

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Used By

Used By Description
wp-includes/ms-blogs.php: wp_switch_roles_and_user()

Switches the initialized roles and current user capabilities to another site.
wp-includes/user.php: wp_get_users_with_no_role()

Get the user IDs of all users with no role on this site.
wp-admin/includes/class-wp-users-list-table.php: WP_Users_List_Table::get_role_list()

Returns an array of user roles for a given user object.
wp-admin/includes/user.php: edit_user()

Edit user settings based on contents of $_POST
wp-admin/includes/user.php: get_editable_roles()

Fetch a filtered list of user roles that the current user is allowed to edit.
wp-admin/includes/class-wp-users-list-table.php: WP_Users_List_Table::get_views()

Return an associative array listing all the views that can be used with this table.
wp-includes/class-wp-user.php: WP_User::get_role_caps()

Retrieves all of the capabilities of the roles of the user, and merges them with individual user capabilities.
wp-includes/class-wp-role.php: WP_Role::add_cap()

Assign role a capability.
wp-includes/class-wp-role.php: WP_Role::remove_cap()

Removes a capability from a role.
wp-includes/capabilities.php: get_role()

Retrieve role object.
wp-includes/capabilities.php: add_role()

Add role, if it does not exist.
wp-includes/capabilities.php: remove_role()

Remove role, if it exists.
wp-includes/user.php: count_users()

Count number of users who have each of the user roles.