fileUploadScript.php

<!-- This script uploads files to a folder called uploads located in the main directory  -->
<?php
    $currentDirectory = getcwd();
    $uploadDirectory = "/uploads/";

    $errors = []; // Store errors here
    
    $fileName = $_FILES['the_file']['name'];
    $fileSize = $_FILES['the_file']['size'];
    $fileTmpName  = $_FILES['the_file']['tmp_name'];
    $fileType = $_FILES['the_file']['type'];
    $fileExtension = strtolower(end(explode('.',$fileName)));

    $uploadPath = $currentDirectory . $uploadDirectory . basename($fileName); 

    if (isset($_POST['submit'])) {    

      if ($fileSize > 4000000) {
        $errors[] = "File exceeds maximum size (4MB)";
      }

      if (empty($errors)) {
       $didUpload = move_uploaded_file($fileTmpName, $uploadPath);

        if ($didUpload) {
         echo "The file " . basename($fileName) . " has been uploaded";        
         sleep(5);       
         header('Location: ' . $_SERVER['HTTP_REFERER']);
         die(); //Force the script to quit, or you would raise an error...
        } else {
          echo "An error occurred. Please contact the administrator.";
        }
      } else {
        foreach ($errors as $error) {
          echo $error . "These are the errors" . "\n";
        }
      }
    }
?>
<!------------------------------------------------------EOF---------------------------------------------------------------------------->