How can PHP developers ensure that their file manipulation scripts are user-friendly and intuitive for end-users?

PHP developers can ensure that their file manipulation scripts are user-friendly and intuitive for end-users by providing clear instructions, error messages, and feedback throughout the process. They can also implement user-friendly interfaces, such as file upload forms with progress bars and confirmation messages upon successful file manipulation.

<?php
// Example of providing clear instructions and feedback to end-users
if(isset($_POST['submit'])){
    $targetDir = "uploads/";
    $targetFile = $targetDir . basename($_FILES["fileToUpload"]["name"]);
    
    if(move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $targetFile)){
        echo "File uploaded successfully!";
    }else{
        echo "Sorry, there was an error uploading your file.";
    }
}
?>

<form action="" method="post" enctype="multipart/form-data">
    Select file to upload:
    <input type="file" name="fileToUpload" id="fileToUpload">
    <input type="submit" value="Upload File" name="submit">
</form>