How can one prevent a page from being refreshed in PHP?

To prevent a page from being refreshed in PHP, you can use a session variable to track whether the page has already been loaded. If the page has been loaded, you can redirect the user to a different page or display an error message instead of reloading the current page. 

<?php
session_start();

if(isset($_SESSION['page_loaded'])){
    header("Location: error_page.php");
    exit();
} else {
    $_SESSION['page_loaded'] = true;
}

// Rest of your PHP code here

?>

Keywords

PHP prevent page refresh AJAX JavaScript session management

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