Better way to handle encoded description

functions.php

@@ -0,0 +1,19 @@
+<?php
+
+function decodeIfNeeded($data) {
+    $descarray = explode(" ", $data);
+    $wEncoded = 0;
+    foreach($descarray as $word) {
+        if(base64_encode(base64_decode($word)) == $word) {
+            $wEncoded++;
+        }
+    }
+
+    if($wEncoded >= count($descarray) - 1) {
+        $data = base64_decode($data);
+    }
+
+    return $data;
+}
+
+?>

index.php

@@ -1,6 +1,7 @@
 <?php
 error_reporting(E_ERROR | E_PARSE);
 require_once("config.php");
+require_once("functions.php");
 require_once('lib/DeckClass.php');
 require_once('lib/MailClass.php');
 
@@ -75,8 +76,7 @@ if ($emails)
         } else {
             $description = DECODE_SPECIAL_CHARACTERS ? quoted_printable_decode($inbox->fetchMessageBody($emails[$j], 1)) : $inbox->fetchMessageBody($emails[$j], 1);
         }
-        if(base64_encode(base64_decode($description)) == $description) // if description is base64 encoded, decode it
-            $description = base64_decode($description);
+        $description = decodeIfNeeded($description);
         $data->description = $description;
         $mailSender = new stdClass();
         $mailSender->userId = $overview->from[0]->mailbox;