Added method to generate the hash used by Gravatar.com This may be the precursor to adding in some code to support interacting with some third-party web services.

classes/String.php

@@ -46,6 +46,26 @@ class String
 
 	// }}}
 
+	// {{{ Generate Gravatar Hash
+
+	/**
+	 * Generate Gravatar Hash
+	 *
+	 * Generates a hash from the passed string that can then be used for
+	 * fetching an avatar from Gravatar.com
+	 *
+	 * @static
+	 * @param  string $string string to hash, should be an email address
+	 * @return string resulting hash
+	 */
+	public static function generateGravatarHash($string)
+	{
+		// Trims whitespace, lowers the case then applies MD5
+		return md5(strtolower(trim($string)));
+	}
+	
+	// }}}
+
 	// {{{ Is Empty
 
 	/**
@@ -75,7 +95,6 @@ class String
 
 	// }}}
 
-
 	// {{{ Random
 
 	/**