Moved Gravatar hash function to a dedicated Gravatar class

classes/API/Gravatar.php

@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * Gravatar Class File for PICKLES
+ *
+ * PHP version 5
+ *
+ * Licensed under The MIT License
+ * Redistribution of these files must retain the above copyright notice.
+ *
+ * @author    Josh Sherman <pickles@joshtronic.com>
+ * @copyright Copyright 2007-2012, Josh Sherman
+ * @license   http://www.opensource.org/licenses/mit-license.html
+ * @package   PICKLES
+ * @link      https://github.com/joshtronic/pickles
+ */
+
+/**
+ * Gravatar API Interface
+ *
+ * @link http://en.gravatar.com/site/implement/
+ */
+class API_Gravatar extends API_Common
+{
+	/**
+	 * Hash
+	 *
+	 * Generates a hash from the passed string that can then be used for
+	 * fetching an image or profile from Gravatar.com
+	 *
+	 * @static
+	 * @param  string $string string to hash, should be an email address
+	 * @return string resulting hash
+	 */
+	public static function hash($string)
+	{
+		// Trims whitespace, lowers the case then applies MD5
+		return md5(strtolower(trim($string)));
+	}
+}
+
+?>