What best practices should be followed when passing variables between PHP scripts without using forms?

When passing variables between PHP scripts without using forms, it is best practice to use sessions or cookies to store and retrieve the variables. Sessions are more secure as the data is stored on the server, while cookies store the data on the client's browser. Both methods provide a way to pass variables between scripts without the need for forms. 

// Script 1: Setting a session variable
session_start();
$_SESSION['variable_name'] = 'value';

// Script 2: Retrieving the session variable
session_start();
$variable = $_SESSION['variable_name'];

Keywords

GET POST SESSION COOKIES GLOBALS

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