Preparations for the upcoming bidirectional twitter sync.

include/bbcode.php

@@ -349,6 +349,10 @@ function GetProfileUsername($profile, $username) {
 	if ($diaspora != $profile)
 		return($diaspora);
 
+	$twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
+	if ($twitter != $profile)
+		return($twitter);
+
 	$StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
 	if ($StatusnetHost != $profile) {
 		$StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);

include/contact_selectors.php

@@ -85,7 +85,8 @@ function network_to_name($s) {
 		NETWORK_MYSPACE  => t('MySpace'),
 		NETWORK_MAIL2    => t('Email'),
 		NETWORK_GPLUS    => t('Google+'),
-		NETWORK_PUMPIO   => t('pump.io')
+		NETWORK_PUMPIO   => t('pump.io'),
+		NETWORK_TWITTER  => t('Twitter')
 	);
 
 	call_hooks('network_to_name', $nets);