What strategies can be implemented to prevent the loss of crucial variables like $sql when navigating through search result pages in PHP?

When navigating through search result pages in PHP, it is important to store crucial variables like $sql in a session or pass them through the URL parameters to prevent their loss. This ensures that the necessary data is retained as the user moves between pages. 

// Storing $sql in a session variable
session_start();
$_SESSION['sql'] = $sql;

// Retrieving $sql from session on subsequent pages
session_start();
$sql = $_SESSION['sql'];

Keywords

PHP variable management session variables pagination data persistence

Related Questions