Gain insights into modern PHP by delving into POST requests, forms, sessions, and redirects to build a CRUD app with authentication, focusing on pure PHP without frameworks.

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PHP for the Web is a terrific introduction on how to use modern PHP effectively. While there is a lot of material out there about building applications with PHP, most of them focus on using a framework like Laravel or Symfony. By working with pure PHP, you will be able to focus on the core ideas instead of how a particular framework implements them.

In this course, you will learn how to use multiple web technologies like POST requests, forms, sessions, and redirects to build a CRUD application with an authentication system.

By the end, you will have all the ingredients at your disposal to go out and build stunning, dynamic PHP web applications.

PHP for the Web: Learn PHP without a Framework

The contents of a file that has been uploaded with a form field `picture` can be found in `$_FILES['picture']['contents']`. 

The contents of a file that has been uploaded with a form field <code>picture</code> can be found in <code>$_FILES['picture']['contents']</code>.

Before validating the submitted form data

When should you move the uploaded file to its destination directory?

When should you move the uploaded file to its destination directory?

By using `is_uploaded_file($_POST['picture']['tmp_name])`

By using `isset($_FILES['picture']['tmp_name'])`

By using `isset($_POST['picture']['tmp_name'])`

By using `is_uploaded_file($_FILES['picture']['tmp_name])`

How can you find out if a file has been created by PHP because a user uploaded it?

How can you find out if a file has been created by PHP because a user uploaded it?

Set the server's document root to the destination directory of uploaded files.

Create a subdirectory in the document root of the server, and use it as the destination directory for uploaded files.

If you want to show an uploaded image on a web page, you should:

If you want to show an uploaded image on a web page, you should:

Take this short quiz to see how well you have grasped the concepts discussed in this chapter.


Getting Started

Serving Resources

Serving PHP Scripts

Forms

Cookies

Sessions

Authentication

PHP Project Structure

CRUD Part 1: Create

CRUD Part 2: The Rest

File Uploads

Error Handling

Automated Testing

Conclusion

Quiz on File Uploads