Move htmlspecialchars_utf8 from Request to Helper

And remove html_chars_utf8 to use htmlspecialchars_utf8 instead in
importExportController

app/Controllers/importExportController.php

@@ -166,15 +166,15 @@ class FreshRSS_importExport_Controller extends Minz_ActionController {
 		}
 
 		// We get different useful information
-		$url = html_chars_utf8($feed_elt['xmlUrl']);
-		$name = html_chars_utf8($feed_elt['text']);
+		$url = Minz_Helper::htmlspecialchars_utf8($feed_elt['xmlUrl']);
+		$name = Minz_Helper::htmlspecialchars_utf8($feed_elt['text']);
 		$website = '';
 		if (isset($feed_elt['htmlUrl'])) {
-			$website = html_chars_utf8($feed_elt['htmlUrl']);
+			$website = Minz_Helper::htmlspecialchars_utf8($feed_elt['htmlUrl']);
 		}
 		$description = '';
 		if (isset($feed_elt['description'])) {
-			$description = html_chars_utf8($feed_elt['description']);
+			$description = Minz_Helper::htmlspecialchars_utf8($feed_elt['description']);
 		}
 
 		$error = false;
@@ -200,7 +200,7 @@ class FreshRSS_importExport_Controller extends Minz_ActionController {
 
 	private function addCategoryOpml($cat_elt, $parent_cat) {
 		// Create a new Category object
-		$cat = new FreshRSS_Category(html_chars_utf8($cat_elt['text']));
+		$cat = new FreshRSS_Category(Minz_Helper::htmlspecialchars_utf8($cat_elt['text']));
 
 		$id = $this->catDAO->addCategoryObject($cat);
 		$error = ($id === false);

lib/Minz/Helper.php

@@ -19,4 +19,15 @@ class Minz_Helper {
 			return stripslashes($var);
 		}
 	}
+
+	/**
+	 * Wrapper for htmlspecialchars.
+	 * Force UTf-8 value and can be used on array too.
+	 */
+	public static function htmlspecialchars_utf8($p) {
+		if (is_array($p)) {
+			return array_map('self::htmlspecialchars_utf8', $p);
+		}
+		return htmlspecialchars($p, ENT_COMPAT, 'UTF-8');
+	}
 }

lib/Minz/Request.php

@@ -27,19 +27,13 @@ class Minz_Request {
 	public static function params() {
 		return self::$params;
 	}
-	static function htmlspecialchars_utf8($p) {
-		if (is_array($p)) {
-			return array_map('self::htmlspecialchars_utf8', $p);
-		}
-		return htmlspecialchars($p, ENT_COMPAT, 'UTF-8');
-	}
 	public static function param($key, $default = false, $specialchars = false) {
 		if (isset(self::$params[$key])) {
 			$p = self::$params[$key];
 			if (is_object($p) || $specialchars) {
 				return $p;
 			} else {
-				return self::htmlspecialchars_utf8($p);
+				return Minz_Helper::htmlspecialchars_utf8($p);
 			}
 		} else {
 			return $default;

lib/lib_rss.php

@@ -230,7 +230,3 @@ function cryptAvailable() {
 	}
 	return false;
 }
-
-function html_chars_utf8($str) {
-	return htmlspecialchars($str, ENT_COMPAT, 'UTF-8');
-}