Update GeneratorCommand.php

Adds a check to prevent a foreach on an empty list of methods, which raises an Exception and stops generating the IDE Helper file.

src/Barryvdh/LaravelIdeHelper/GeneratorCommand.php

@@ -168,10 +168,12 @@ namespace {\n\tdie('Only to be used as an helper for your IDE');\n}\n\n";
                 if(!in_array($alias, $onlyExtend) || $sublime)
                 {
                     $methods = $d->getMethods();
-
-                    foreach ($methods as $method)
+                    if($methods) 
                     {
-                        $output .= $this->parseMethod($method, $root, $sublime);
+                        foreach ($methods as $method)
+                        {
+                            $output .= $this->parseMethod($method, $root, $sublime);
+                        }
                     }
                 }
                 $output .= " }\n}\n\n";