flatten the code

src/Entities/Message.php

@@ -159,7 +159,9 @@ class Message extends Entity
     public function getFullCommand()
     {
         $text = $this->getProperty('text');
-        if (strpos($text, '/') === 0) {
+        if (strpos($text, '/') !== 0) {
+            return null;
+        }
         $no_EOL = strtok($text, PHP_EOL);
         $no_space = strtok($text, ' ');
 
@@ -167,9 +169,6 @@ class Message extends Entity
         return strlen($no_space) < strlen($no_EOL) ? $no_space : $no_EOL;
     }
 
-        return null;
-    }
-
     /**
      * Get command
      *