title: "require" doesn't include my file from the parent directory
body: <p>I have a tree which looks like this :</p>
  
  <p><a href="https://i.stack.imgur.com/LJQUt.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LJQUt.png" alt="enter image description here"></a></p>
  
  <p>I've been trying to includes file.php from AnotherFile.php :</p>
  
  <p><a href="https://i.stack.imgur.com/lGs6q.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/lGs6q.png" alt="enter image description here"></a></p>
  
  <p>I get this error :</p>
  
  <p><a href="https://i.stack.imgur.com/hoMp8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/hoMp8.png" alt="enter image description here"></a></p>
  
  <p>Eventhough my IDE doesn't warn that the file is not found.</p>