bp_allow_user_to_send_invites()

function bp_allow_user_to_send_invites() {

	if ( is_user_logged_in() ) {
		if ( bp_is_active( 'invites' ) ) {
			// Get all active member type.
			$member_types = array();
			$member_types = bp_get_active_member_types();
			if ( isset( $member_types ) && ! empty( $member_types ) ) {
				$allowed_member_type    = array();
				$disallowed_member_type = array();
				foreach ( $member_types as $member_type_id ) {
					$type_name                = bp_get_member_type_key( $member_type_id );
					$set_value = bp_enable_send_invite_member_type( 'bp-enable-send-invite-member-type-'.$type_name );
					if ( true === $set_value ) {
						$allowed_member_type[] = $type_name;
					} else {
						$disallowed_member_type[] = $type_name;
					}
				}

				if ( empty( $allowed_member_type) ) {
					return true;
				}
				// Get the member type of current logged in user.
				$member_type = bp_get_member_type( bp_loggedin_user_id() );
				if ( ( is_admin() || is_network_admin() ) && current_user_can( 'manage_options' ) ) {
					return true;
				} elseif ( false === $member_type && ! current_user_can( 'manage_options' ) ) {
					return false;
				} elseif ( false === $member_type && current_user_can( 'manage_options' ) ) {
					return true;
				} elseif ( empty( $allowed_member_type ) || count( $allowed_member_type ) === count( $member_types ) ) {
					return true;
				} elseif ( in_array( $member_type, $disallowed_member_type, true) ) {
					return false;
				} elseif ( in_array( $member_type, $allowed_member_type, true) ) {
					return true;
				}
			} else {
				return true;
			}
		} else {
			return false;
		}
	} else {
		return false;
	}
}