diff --git a/include/controls.php b/include/controls.php
index b65a166c2..a1a1bc59b 100755
--- a/include/controls.php
+++ b/include/controls.php
@@ -2,7 +2,7 @@
    namespace Controls;
 
    function attributes_to_string(array $attributes) {
-      $rv = "";
+      $rv = [];
 
       foreach ($attributes as $k => $v) {
 
@@ -10,10 +10,10 @@
          if ($k === "disabled" && !sql_bool_to_bool($v))
             continue;
 
-         $rv .= "$k=\"" . htmlspecialchars($v) . "\"";
+         array_push($rv, "$k=\"" . htmlspecialchars($v) . "\"");
       }
 
-      return $rv;
+      return implode(" ", $rv);
    }
 
    // shortcut syntax (disabled)
diff --git a/include/controls_compat.php b/include/controls_compat.php
index a4e9ad73f..d1c2c12b5 100644
--- a/include/controls_compat.php
+++ b/include/controls_compat.php
@@ -1,27 +1,32 @@
 <?php
 
 
-function stylesheet_tag($filename, $id = false) {
-	$timestamp = filemtime($filename);
+function stylesheet_tag($filename, $attributes = []) {
 
-	$id_part = $id ? "id=\"$id\"" : "";
+	$attributes_str = \Controls\attributes_to_string(
+		array_merge(
+			[
+				"href" => "$filename?" . filemtime($filename),
+				"rel" => "stylesheet",
+				"type" => "text/css",
+				"data-orig-href" => $filename
+			],
+			$attributes));
 
-	return "<link rel=\"stylesheet\" $id_part type=\"text/css\" data-orig-href=\"$filename\" href=\"$filename?$timestamp\"/>\n";
+	return "<link $attributes_str/>\n";
 }
 
-function javascript_tag($filename) {
-	$query = "";
+function javascript_tag($filename, $attributes = []) {
+	$attributes_str = \Controls\attributes_to_string(
+		array_merge(
+			[
+				"src" => "$filename?" . filemtime($filename),
+				"type" => "text/javascript",
+				"charset" => "utf-8"
+			],
+			$attributes));
 
-	if (!(strpos($filename, "?") === false)) {
-		$query = substr($filename, strpos($filename, "?")+1);
-		$filename = substr($filename, 0, strpos($filename, "?"));
-	}
-
-	$timestamp = filemtime($filename);
-
-	if ($query) $timestamp .= "&$query";
-
-	return "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
+	return "<script $attributes_str></script>\n";
 }
 
 function format_warning($msg, $id = "") {
@@ -47,268 +52,3 @@ function print_warning($msg) {
 function print_error($msg) {
 	return print format_error($msg);
 }
-
-// the following is deprecated and will be eventually removed
-
-/*function print_select($id, $default, $values, $attributes = "", $name = "") {
-	if (!$name) $name = $id;
-
-	print "<select name=\"$name\" id=\"$id\" $attributes>";
-	foreach ($values as $v) {
-		if ($v == $default)
-			$sel = "selected=\"1\"";
-		else
-			$sel = "";
-
-		$v = trim($v);
-
-		print "<option value=\"$v\" $sel>$v</option>";
-	}
-	print "</select>";
-}
-
-function print_select_hash($id, $default, $values, $attributes = "", $name = "") {
-	if (!$name) $name = $id;
-
-	print "<select name=\"$name\" id='$id' $attributes>";
-	foreach (array_keys($values) as $v) {
-		if ($v == $default)
-			$sel = 'selected="selected"';
-		else
-			$sel = "";
-
-		$v = trim($v);
-
-		print "<option $sel value=\"$v\">".$values[$v]."</option>";
-	}
-
-	print "</select>";
-}
-
-function format_hidden($name, $value) {
-	return "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"$name\" value=\"$value\">";
-}
-
-function print_hidden($name, $value) {
-	print format_hidden($name, $value);
-}
-
-function format_checkbox($id, $checked, $value = "", $attributes = "") {
-	$checked_str = $checked ? "checked" : "";
-	$value_str = $value ? "value=\"$value\"" : "";
-
-	return "<input dojoType=\"dijit.form.CheckBox\" id=\"$id\" $value_str $checked_str $attributes name=\"$id\">";
-}
-
-function print_checkbox($id, $checked, $value = "", $attributes = "") {
-	print format_checkbox($id, $checked, $value, $attributes);
-}
-
-function format_button($type, $value, $attributes = "") {
-	return "<button dojoType=\"dijit.form.Button\" $attributes type=\"$type\">$value</button>";
-}
-
-function print_button($type, $value, $attributes = "") {
-	print format_button($type, $value, $attributes);
-}
-
-function print_feed_multi_select($id, $default_ids = [],
-						   $attributes = "", $include_all_feeds = true,
-						   $root_id = null, $nest_level = 0) {
-
-	$pdo = Db::pdo();
-
-	print_r(in_array("CAT:6",$default_ids));
-
-	if (!$root_id) {
-		print "<select multiple=\true\" id=\"$id\" name=\"$id\" $attributes>";
-		if ($include_all_feeds) {
-			$is_selected = (in_array("0", $default_ids)) ? "selected=\"1\"" : "";
-			print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
-		}
-	}
-
-	if (get_pref(Prefs::ENABLE_FEED_CATS)) {
-
-		if (!$root_id) $root_id = null;
-
-		$sth = $pdo->prepare("SELECT id,title,
-				(SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
-					c2.parent_cat = ttrss_feed_categories.id) AS num_children
-				FROM ttrss_feed_categories
-				WHERE owner_uid = :uid AND
-				(parent_cat = :root_id OR (:root_id IS NULL AND parent_cat IS NULL)) ORDER BY title");
-
-		$sth->execute([":uid" => $_SESSION['uid'], ":root_id" => $root_id]);
-
-		while ($line = $sth->fetch()) {
-
-			for ($i = 0; $i < $nest_level; $i++)
-				$line["title"] = " " . $line["title"];
-
-			$is_selected = in_array("CAT:".$line["id"], $default_ids) ? "selected=\"1\"" : "";
-
-			printf("<option $is_selected value='CAT:%d'>%s</option>",
-				$line["id"], htmlspecialchars($line["title"]));
-
-			if ($line["num_children"] > 0)
-				print_feed_multi_select($id, $default_ids, $attributes,
-					$include_all_feeds, $line["id"], $nest_level+1);
-
-			$f_sth = $pdo->prepare("SELECT id,title FROM ttrss_feeds
-					WHERE cat_id = ? AND owner_uid = ? ORDER BY title");
-
-			$f_sth->execute([$line['id'], $_SESSION['uid']]);
-
-			while ($fline = $f_sth->fetch()) {
-				$is_selected = (in_array($fline["id"], $default_ids)) ? "selected=\"1\"" : "";
-
-				$fline["title"] = " " . $fline["title"];
-
-				for ($i = 0; $i < $nest_level; $i++)
-					$fline["title"] = " " . $fline["title"];
-
-				printf("<option $is_selected value='%d'>%s</option>",
-					$fline["id"], htmlspecialchars($fline["title"]));
-			}
-		}
-
-		if (!$root_id) {
-			$is_selected = in_array("CAT:0", $default_ids) ? "selected=\"1\"" : "";
-
-			printf("<option $is_selected value='CAT:0'>%s</option>",
-				__("Uncategorized"));
-
-			$f_sth = $pdo->prepare("SELECT id,title FROM ttrss_feeds
-					WHERE cat_id IS NULL AND owner_uid = ? ORDER BY title");
-			$f_sth->execute([$_SESSION['uid']]);
-
-			while ($fline = $f_sth->fetch()) {
-				$is_selected = in_array($fline["id"], $default_ids) ? "selected=\"1\"" : "";
-
-				$fline["title"] = " " . $fline["title"];
-
-				for ($i = 0; $i < $nest_level; $i++)
-					$fline["title"] = " " . $fline["title"];
-
-				printf("<option $is_selected value='%d'>%s</option>",
-					$fline["id"], htmlspecialchars($fline["title"]));
-			}
-		}
-
-	} else {
-		$sth = $pdo->prepare("SELECT id,title FROM ttrss_feeds
-				WHERE owner_uid = ? ORDER BY title");
-		$sth->execute([$_SESSION['uid']]);
-
-		while ($line = $sth->fetch()) {
-
-			$is_selected = (in_array($line["id"], $default_ids)) ? "selected=\"1\"" : "";
-
-			printf("<option $is_selected value='%d'>%s</option>",
-				$line["id"], htmlspecialchars($line["title"]));
-		}
-	}
-
-	if (!$root_id) {
-		print "</select>";
-	}
-}
-
-function print_feed_cat_select($id, $default_id, $attributes, $include_all_cats = true,
-	$root_id = null, $nest_level = 0) {
-
-	print format_feed_cat_select($id, $default_id, $attributes, $include_all_cats, $root_id, $nest_level);
-}
-
-function format_feed_cat_select($id, $default_id, $attributes, $include_all_cats = true,
-	$root_id = null, $nest_level = 0) {
-
-	$ret = "";
-
-	if (!$root_id) {
-		$ret .= "<select id=\"$id\" name=\"$id\" default=\"$default_id\" $attributes>";
-	}
-
-	$pdo = Db::pdo();
-
-	if (!$root_id) $root_id = null;
-
-	$sth = $pdo->prepare("SELECT id,title,
-				(SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
-					c2.parent_cat = ttrss_feed_categories.id) AS num_children
-				FROM ttrss_feed_categories
-				WHERE owner_uid = :uid AND
-				  (parent_cat = :root_id OR (:root_id IS NULL AND parent_cat IS NULL)) ORDER BY title");
-	$sth->execute([":uid" => $_SESSION['uid'], ":root_id" => $root_id]);
-
-	$found = 0;
-
-	while ($line = $sth->fetch()) {
-		++$found;
-
-		if ($line["id"] == $default_id) {
-			$is_selected = "selected=\"1\"";
-		} else {
-			$is_selected = "";
-		}
-
-		for ($i = 0; $i < $nest_level; $i++)
-			$line["title"] = " " . $line["title"];
-
-		if ($line["title"])
-			$ret .= sprintf("<option $is_selected value='%d'>%s</option>",
-				$line["id"], htmlspecialchars($line["title"]));
-
-		if ($line["num_children"] > 0)
-			$ret .= format_feed_cat_select($id, $default_id, $attributes,
-				$include_all_cats, $line["id"], $nest_level+1);
-	}
-
-	if (!$root_id) {
-		if ($include_all_cats) {
-			if ($found > 0) {
-				$ret .= "<option disabled=\"1\">―――――――――――――――</option>";
-			}
-
-			if ($default_id == 0) {
-				$is_selected = "selected=\"1\"";
-			} else {
-				$is_selected = "";
-			}
-
-			$ret .= "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
-		}
-		$ret .= "</select>";
-	}
-
-	return $ret;
-}
-
-function print_label_select($name, $value, $attributes = "") {
-
-	$pdo = Db::pdo();
-
-	$sth = $pdo->prepare("SELECT caption FROM ttrss_labels2
-			WHERE owner_uid = ? ORDER BY caption");
-	$sth->execute([$_SESSION['uid']]);
-
-	print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
-		"\" $attributes>";
-
-	while ($line = $sth->fetch()) {
-
-		$issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
-
-		print "<option value=\"".htmlspecialchars($line["caption"])."\"
-				$issel>" . htmlspecialchars($line["caption"]) . "</option>";
-
-	}
-
-#		print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
-
-	print "</select>";
-
-
-}
-*/
diff --git a/index.php b/index.php
index 573df98ac..ba6e03376 100644
--- a/index.php
+++ b/index.php
@@ -31,7 +31,7 @@
 	<?php if ($_SESSION["uid"] && empty($_SESSION["safe_mode"])) {
 		$theme = get_pref(Prefs::USER_CSS_THEME);
 		if ($theme && theme_exists("$theme")) {
-			echo stylesheet_tag(get_theme_path($theme), 'theme_css');
+			echo stylesheet_tag(get_theme_path($theme), ['id' => 'theme_css']);
 		}
 	} ?>
 
diff --git a/prefs.php b/prefs.php
index dd3d3a4b0..3f6eb47c6 100644
--- a/prefs.php
+++ b/prefs.php
@@ -23,7 +23,7 @@
 	<?php if ($_SESSION["uid"] && empty($_SESSION["safe_mode"])) {
 		$theme = get_pref(Prefs::USER_CSS_THEME);
 		if ($theme && theme_exists("$theme")) {
-			echo stylesheet_tag(get_theme_path($theme), 'theme_css');
+			echo stylesheet_tag(get_theme_path($theme), ['id' => 'theme_css']);
 		}
 	} ?>