Add the @return types

src/Tcpserver.php

@@ -350,7 +350,7 @@ class Tcpserver
   // }}}
 
   /** Start the main loop in background and do not wait its end
-    * @return the PID of the child
+    * @return integer the PID of the child
     */
   final public function loopInBackgroundStart ()
   // {{{
@@ -507,7 +507,7 @@ class Tcpserver
     * Use the readMode in text or binary (text by default)
     * In text mode, the read return when found the first \r or the first \n.
     * @param integer $maxLength Limit the length of the data from the server
-    * @return The content
+    * @return string The content
     */
   final public function read ($maxLength = 1024)
   // {{{