bp_get_user_social_networks_urls( $user_id = null )

function bp_get_user_social_networks_urls() {

	global $wpdb;

	$social_networks_id = (int) $wpdb->get_var( "SELECT a.id FROM {$wpdb->prefix}bp_xprofile_fields a WHERE parent_id = 0 AND type = 'socialnetworks' ");

	$html = '';
	$original_option_values = array();
	if ( $social_networks_id > 0 ) {
		$providers = social_network_provider();
		$original_option_values = maybe_unserialize( BP_XProfile_ProfileData::get_value_byid( $social_networks_id, bp_displayed_user_id() ) );

		if ( isset( $original_option_values ) && !empty( $original_option_values ) ) {
			foreach ( $original_option_values as $key => $original_option_value ) {
				if ( '' !== $original_option_value ) {
					$key  = bp_social_network_search_key( $key, $providers );
					$html .= '<span class="social ' . $providers[ $key ]->value . '"><a target="_blank" data-balloon-pos="up" data-balloon="' . $providers[ $key ]->name . '" href="' . esc_url( $original_option_value ) . '">' . $providers[ $key ]->svg . '</a></span>';
				}
			}
		}
	} else {
		$html = '';
	}

	if ( '' !== $html ) {

		$level = xprofile_get_field_visibility_level( $social_networks_id, bp_displayed_user_id() );

		if ( bp_displayed_user_id() === bp_loggedin_user_id() ) {
			$html = '<div class="social-networks-wrap">'.$html.'</div>';
		} elseif ( 'public' === $level ) {
			$html = '<div class="social-networks-wrap">'.$html.'</div>';
		} elseif ( 'loggedin' === $level && is_user_logged_in() ) {
			$html = '<div class="social-networks-wrap">'.$html.'</div>';
		} elseif ( 'friends' === $level && is_user_logged_in() ) {
			$member_friend_status = friends_check_friendship_status( bp_loggedin_user_id(), bp_displayed_user_id() );
			if ( 'is_friend' === $member_friend_status ) {
				$html = '<div class="social-networks-wrap">' . $html . '</div>';
			} else {
				$html = '';
			}
		}

	}

	return apply_filters( 'bp_get_user_social_networks_urls', $html, $original_option_values, $social_networks_id );
}