What are the best practices for maintaining variable values across different pages in PHP?

Maintaining variable values across different pages in PHP can be achieved by using sessions. By storing the variables in session variables, they can be accessed and updated across different pages within the same session. This ensures that the values persist as the user navigates through the website. 

<?php
// Start the session
session_start();

// Set a variable value
$_SESSION['variable_name'] = 'value';

// Access the variable value on another page
echo $_SESSION['variable_name'];
?>

Keywords

Session variables cookies global variables database storage serialization

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