Add single-user password utils (#9)

- Constrain images to reading viewport

src/lib/Feed.php

@@ -245,7 +245,7 @@ class Feed {
         $code   = curl_getinfo($feedReq, CURLINFO_RESPONSE_CODE);
         if ($error) {
             $result['error'] = $error;
-        } else if ($code == 200) {
+        } elseif ($code == 200) {
             $parsed = self::parseFeed($feedContent);
             if (array_key_exists('error', $parsed)) {
                 $result['error'] = $parsed['error'];
@@ -398,7 +398,7 @@ class Feed {
         $feedExtract = self::retrieveFeed($url);
         if (array_key_exists('error', $feedExtract)) return $feedExtract;
 
-        $feed = $feedExtract['ok'];
+        $feed  = $feedExtract['ok'];
         $query = $db->prepare(<<<'SQL'
             INSERT INTO feed (user_id, url, title, updated_on, checked_on)
             VALUES (:user, :url, :title, :updated, :checked)