Changed back sizeof() check to just check for false again

Author: byrnedo

src/Connection.php

@@ -370,7 +370,7 @@ public function wait($quantity = 0)
         while (!feof($this->streamSocket)) {
             $line = $this->receive();
 
-            if (sizeof($line) === 0) {
+            if ($line === false) {
                 return null;
             }