James informiert jetzt über fehlgeschlagene private Nachrichten

config.php

@@ -22,6 +22,8 @@ function ChatNachricht($text, $admin, $userchange ){
 	if($admin != 3)		$text		= addslashes(htmlspecialchars($text));
 						$admin		= addslashes(htmlspecialchars($admin));
 						$userchange = addslashes(htmlspecialchars($userchange));
+						$UserID 	= 0;
+						$time = time()+2;
 	if((substr(trim($text), 0, 3) == "/p ") OR (substr(trim($text), 0, 3) == "/w "))
 	{
 		$end = strpos($text, ":");
@@ -29,15 +31,16 @@ function ChatNachricht($text, $admin, $userchange ){
 		$name 		= substr($text, 3, $end-3);
 		$UserID = UsernametoID($name);
 		$text  = substr($text, $end+1);
+		
+	}
+	
+	if ($UserID == false){
+		sendMessage( "Deine Nachricht an ".$name." konnte ich leider nicht zustellen :-(", 1, 0, 0, $admin, $time, 0, $_SESSION['chatuserid']);
+	}else{
+		sendMessage( $text, $_SESSION['chatuserid'], $userchange, 0, $admin, time(), 0, $UserID );
 	}
-	/*mysql_query("INSERT INTO chat (user_id, nachricht, userchange, admin, chat_time, privat) VALUES 
-			('{$_SESSION['chatuserid']}', '$text', '$userchange', '$admin', '" . time() . "', '$UserID')");*/
-	sendMessage( $text, $_SESSION['chatuserid'], $userchange, 0, $admin, time(), 0, $UserID );
-	//echo "INSERT INTO chat (user_id, nachricht, userchange, admin, chat_time, privat) VALUES ('{$_SESSION['chatuserid']}', '$text', '$userchange', '$admin', '" . time() . "', '$UserID')";
-	//mysql_query("UPDATE user SET chat = '".mysql_insert_id()."' WHERE id = '{$_SESSION['chatuserid']}'");
 	if ((preg_match("/James/i",$text)) OR ($UserID == 1)) 
 	{
-		$time = time()+2;
 		if     (preg_match("/wie/i",$text) AND preg_match("/geht/i",$text)) 												 				
 			$JamesText= "Mir geht es gut und dir ".IDtoUsername($_SESSION['chatuserid'])."?";
 		else if(preg_match("/danke/i",$text)) 																 								
@@ -104,9 +107,14 @@ function IDtoUsername($ID)
 function UsernametoID($name)
 {
 	$result = mysql_query("SELECT * FROM user WHERE name LIKE '".htmlentities($name)."'");
-	while($User = mysql_fetch_array($result))
-	{
-		return $User['id'];
+	if(mysql_num_rows($result) == 1){
+		while($User = mysql_fetch_array($result))
+		{
+			return $User['id'];
+		}
+	}
+	else{
+		return false;
 	}
 }
 function UserTable ($asarray = FALSE){