allow only adminstrator role fk menu

allow only adminstrator role fk menu

add_filter( 'wffn_user_access_capabilities', 'wffn_funnel_user_capabilities', 10, 1 ); // funnel
add_filter( 'wfacp_user_access_capabilities', 'wffn_funnel_user_capabilities', 10, 1 ); // checkout
add_filter( 'wfocu_user_access_capabilities', 'wffn_funnel_user_capabilities', 10, 1 ); // upsell
add_filter( 'wfob_user_access_capabilities', 'wffn_funnel_user_capabilities', 10, 1 ); // bump
add_filter( 'bwfabt_user_access_capabilities', 'wffn_funnel_user_capabilities', 10, 1 ); // experiment
add_filter( 'fkcart_user_access_capabilities', 'wffn_funnel_user_capabilities', 10, 1 ); // cart

function wffn_funnel_user_capabilities( $config ) {
	if ( is_array( $config ) ) {
		// Allow ONLY administrator
		$config = array(
			'administrator' => true,
		);
	}
	return $config;
}