Phan\Language\Context::getClassFQSEN PHP Method

    public function getClassFQSEN() : FullyQualifiedClassName
    {
        return $this->getScope()->getClassFQSEN();
    }

 /**
  * @param Node $node
  * A node of the type indicated by the method name that we'd
  * like to figure out the type that it produces.
  *
  * @return string
  * The class name represented by the given call
  */
 public function visitVar(Node $node) : string
 {
     // $$var->method()
     if ($node->children['name'] instanceof Node) {
         return '';
     }
     // $this->method()
     if ($node->children['name'] == 'this') {
         if (!$this->context->isInClassScope()) {
             Log::err(Log::ESTATIC, 'Using $this when not in object context', $this->context->getFile(), $node->lineno);
             return '';
         }
         return (string) $this->context->getClassFQSEN();
     }
     $variable_name = $node->children['name'];
     if (!$this->context->getScope()->hasVariableWithName($variable_name)) {
         // Got lost, couldn't find the variable in the current scope
         // If it really isn't defined, it will be caught by the
         // undefined var error
         return '';
     }
     $variable = $this->context->getScope()->getVariableWithName($variable_name);
     // Hack - loop through the possible types of the var and assume
     // first found class is correct
     foreach ($variable->getUnionType()->nonGenericArrayTypes()->getTypeList() as $type) {
         $child_class_fqsen = FullyQualifiedClassName::fromStringInContext((string) $type, $this->context);
         if ($this->code_base->hasClassWithFQSEN($child_class_fqsen)) {
             return (string) FullyQualifiedClassName::fromStringInContext((string) $type, $this->context);
         }
     }
     // We land here if we have a variable
     // with a native type or no known type.
     return '';
 }