readBytes fix-read-endless-loop

src/Engine/AbstractSocketIO.php

@@ -113,6 +113,15 @@ protected function readBytes($bytes)
         $data = '';
         $chunk = null;
         while ($bytes > 0 && false !== ($chunk = \fread($this->stream, $bytes))) {
+            // if endless loop, break
+            if (strlen($chunk) == 0) {
+                $stream = stream_get_meta_data($this->stream);
+
+                if (isset($stream['timed_out']) && $stream['timed_out'] == true) {
+                    break;
+                }
+            }
+
             $bytes -= \strlen($chunk);
             $data .= $chunk;
         }