add option to empty cache

epub.php

@@ -114,6 +114,18 @@
 	date_default_timezone_set('Europe/Paris');
 	$date = (new DateTime('today'))->format('Ymd');
 
+	if (isset($_POST['emptycache']) && $_POST['emptycache'])
+	{
+		$files = glob('temp/*');
+		foreach($files as $file)
+		{
+			if(is_file($file))
+			{
+				unlink($file);
+			}
+		}
+	}
+
 	// Cafeyn
 	if (isset($_POST['cafeyn']) && $_POST['cafeyn'])
 	{
@@ -567,6 +579,10 @@
 	<label for="nyttoday">From today's paper embeded script</label>
 	<br><br>
 
+	<input id="emptycache" name="emptycache" type="checkbox">
+	<label for="emptycache">Empty cache</label>
+	<br><br>
+
 	<input type="submit">
 </form>
 </div>