How can variables be passed between PHP/HTML files in PHP?

Variables can be passed between PHP and HTML files in PHP by using sessions or cookies. Sessions store variable values on the server, while cookies store them on the client's browser. By setting and retrieving session or cookie values, you can pass variables between different PHP files. 

// Setting a session variable in one PHP file
session_start();
$_SESSION['variable_name'] = 'value';

// Retrieving the session variable in another PHP file
session_start();
$variable = $_SESSION['variable_name'];
echo $variable;

Keywords

PHP HTML variables passing files

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