Accessing private function in included php file [closed]

I currently have two php class files and I’m working on accessing functions across them. Currently, in the secondClass.php file, I’m able to call a function in firstClass.php successfully and that class then calls another in the same firstClass.php file which is expected to return a result

I can access the function successfully, but when I check if the firstClass function isLoaded is true or access it I get an error because it’s a private function

How can I get the returned object from this private function in firstClass.php?

firstClass.php

private function loadData($id){
  return $this->isLoaded();    
}

private function isLoaded(){

  $var = 123;

  return $var;
}

secondClass.php

public function getResult($id){
  $firstC = new firstClass();

    $result = 'ABC';
    $newResult = $firstC->loadData($result);

    if($firstC->isloaded){
        echo('we are good');
    }
}

Answer

You could add a property to the first class that is public.

public isLoaded = false;

Then you could change that value using your method. And I think technically your method name there is flirting with being a verb vs being a noun. You could update the existing isLoaded method to be something like checkIsLoaded which sets the public property to true or false.

public isLoaded = false;

private function loadData($id){
  return $this->isLoaded();    
}

private function checkIsLoaded(){
    
    $var = 123;

    $this->isLoaded = $var;
}

Now you can access it with the same format you have:

$firstC->isloaded;