What are some key differences between PHP, HTML, CSS, and jQuery in the context of developing a file hosting website?

One key difference between PHP, HTML, CSS, and jQuery in the context of developing a file hosting website is their respective roles in the web development process. PHP is a server-side scripting language used for backend development, handling tasks such as file uploads, storage, and retrieval. HTML is used for structuring the content of web pages, while CSS is used for styling and designing the layout of the website. jQuery is a JavaScript library that simplifies client-side scripting and enhances user interactions. 

// PHP code snippet for handling file uploads in a file hosting website
if(isset($_FILES['file'])){
    $file_name = $_FILES['file']['name'];
    $file_tmp = $_FILES['file']['tmp_name'];
    $file_size = $_FILES['file']['size'];
    
    move_uploaded_file($file_tmp, 'uploads/' . $file_name);
    
    echo 'File uploaded successfully!';
}

Keywords

PHP HTML CSS jQuery file hosting website

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