Search results for: "superglobal variable"

What is the purpose of the $_GET superglobal in PHP?

The $_GET superglobal in PHP is used to collect form data after submitting an HTML form with the method="get". It retrieves variables from the query s...

How can the PHP_SELF variable be accessed in PHP code?

The PHP_SELF variable can be accessed in PHP code by using the $_SERVER superglobal array. This variable contains the filename of the currently execut...

What are the potential reasons for a variable not being accessible in a PHP script even when passed in the URL?

The potential reasons for a variable not being accessible in a PHP script even when passed in the URL could be due to incorrect variable names, scope...

What are the potential security risks of using older PHP variable naming conventions, such as $variable instead of $_POST['variable']?

Using older PHP variable naming conventions like $variable instead of $_POST['variable'] can pose security risks such as vulnerability to injection at...

How can the title of a website be passed to a PHP variable?

To pass the title of a website to a PHP variable, you can use the $_SERVER['HTTP_HOST'] superglobal variable to get the domain name of the website. Yo...