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

## Using PHP functions for hashing and validation
PHP has two convenient functions that make it easier to make the right decisions, security-wise.
These functions will also save you some custom work related to password hashing and comparing.
To hash a password for the first time (when the user creates their account), you can use the [`password_hash()` function](https://www.php.net/password-hash).
To compare a password to a stored hash of the actual password, you can use the [`password_verify()`](https://www.php.net/password-verify) function.


# Using PHP functions for hashing and validation
PHP has two convenient functions that make it easier to make the right decisions, security-wise.
These functions will also save you some custom work related to password hashing and comparing.
To hash a password for the first time (when the user creates their account), you can use the [`password_hash()` function](https://www.php.net/password-hash).
To compare a password to a stored hash of the actual password, you can use the [`password_verify()`](https://www.php.net/password-verify) function.


Learn about the process of validating user credentials using PHP functions.


Validating the Username and the Password with PHP

Learn about the process of validating user credentials using PHP functions.

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

Validating the Username and the Password with PHP

Using PHP functions for hashing and validation