modify Images.php use regex to php function

@@ -152,7 +152,8 @@ class Helpers
         $result['price'] = $productData['market_price'];
         $result['salePrice'] = $productData['sales_price'];
         $result['is_soon_sold_out'] = ($productData['is_soon_sold_out'] === 'Y');
-        $result['url'] = OLD_MAIN . '/product/pro_' . $productData['product_id'] . '_' . $productData['goods_list'][0]['goods_id'] 
+        $result['url'] = OLD_MAIN . '/product/pro_' . $productData['product_id'] . '_' 
+                                 . $productData['goods_list'][0]['goods_id'] 
                                  . '/'. $productData['cn_alphabet'] . '.html'; 
 
         if ($showTags) {

@@ -66,7 +66,7 @@ class Images
      */
     public static function getImageUrl($fileName, $width, $height, $mode = 1, $bucket = 'goodsimg')
     {
-       if(!preg_match('|http://|', $fileName)){
+       if (stripos($fileName, 'http://') !== 0){
            $fileName = self::template($fileName, $bucket, $mode);
        }
        return strtr($fileName, array('{width}' => $width, '{height}' => $height, '{mode}' => $mode));