Search results for: "usable URL"

What are some alternative methods to get the dimensions of an image if Getimagesize only works with a file path in PHP?

Getimagesize function in PHP only works with a file path, so if you have an image stored in a variable or retrieved from a URL, you cannot directly us...

What is the difference between using method="get" and method="post" in a form when submitting data to a MySQL database via PHP?

When submitting data to a MySQL database via PHP, the main difference between using method="get" and method="post" in a form is how the data is sent t...

How does the "referer" method work in PHP to control access to specific pages, and what are its limitations?

To control access to specific pages based on the referring page, we can use the "referer" method in PHP. This method involves checking the HTTP refere...

What is the difference between using $_POST['action'] and $_GET['action'] in the PHP script?

Using $_POST['action'] and $_GET['action'] in a PHP script determines how the data is sent to the server. When using $_POST, the data is sent in the H...

What are some best practices for using the header function in PHP for redirection?

When using the header function in PHP for redirection, it is important to ensure that no output has been sent to the browser before calling the functi...