Add Image, Upload, UploadHelper.

UploadHelper.class.php

@@ -0,0 +1,25 @@
+<?php
+
+abstract class UploadHelper
+{
+    public static function imageCompareAspectRatio($proportion, $file_path)
+    {
+        $imagesize = getimagesize($file_path);
+        $proprtion_parts = explode('x', $proportion);
+        if ($proprtion_parts[0] / $proprtion_parts[1] === $imagesize[0] / $imagesize[1]) {
+            return true;
+        } else {
+            false;
+        }
+    }
+    public static function imageCheckMinSize($size, $file_path)
+    {
+        $imagesize = getimagesize($file_path);
+        $size_parts = explode('x', $size);
+        if ($imagesize[0] >= $size_parts[0] && $imagesize[1] >= $size_parts[1]) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+}