Phan\Config::get PHP Method

    public static function get() : Config
    {
        static $instance;
        if ($instance) {
            return $instance;
        }
        $instance = new Config();
        return $instance;
    }

 /**
  * @return null
  * Analyze the node associated with this object
  * in the given context
  */
 public function analyze(Context $context, CodeBase $code_base) : Context
 {
     // Don't do anything if we care about being
     // fast
     if (Config::get()->quick_mode) {
         return $context;
     }
     if (!$this->hasNode()) {
         return $context;
     }
     // Closures depend on the context surrounding them such
     // as for getting `use(...)` variables. Since we don't
     // have them, we can't re-analyze them until we change
     // that.
     //
     // TODO: Store the parent context on Analyzable objects
     if ($this->getNode()->kind === \ast\AST_CLOSURE) {
         return $context;
     }
     // Don't go deeper than one level in
     if ($this->recursion_depth++ > 2) {
         return $context;
     }
     // Analyze the node in a cloned context so that we
     // don't overwrite anything
     return (new BlockAnalysisVisitor($code_base, clone $context))($this->getNode());
 }