Add exams from exam156 to exam199

exam168/index.php

@@ -0,0 +1,25 @@
+<?php
+header('Content-type: image/jpeg');
+
+if(isset($_GET['image'])){
+    $image = $_GET['image'];
+
+    $image_size = getimagesize($image);
+    $image_width = $image_size[0];
+    $image_height = $image_size[1];
+
+    $new_size = ($image_width + $image_height) / ($image_width * ($image_height / 45));
+    $new_width = $image_width * $new_size;
+    $new_height = $image_height * $new_size;
+
+    $new_image = imagecreatetruecolor($new_width, $new_height);
+
+    $old_image = imagecreatefromjpeg($image);
+
+    imagecopyresized($new_image,$old_image,0,0,0,0,$new_width,$new_height,$image_width,$image_height);
+    imagejpeg($new_image);
+
+}
+
+
+?>