How can PHP code be structured to ensure that pop-up windows maintain their state when switching between different entries from a database?

To ensure that pop-up windows maintain their state when switching between different entries from a database, you can use session variables to store the state of the pop-up window for each entry. When switching between entries, you can retrieve the state from the session and display the pop-up window accordingly. 

<?php
session_start();

// Check if the pop-up state is set in the session
if (!isset($_SESSION['popup_state'])) {
    $_SESSION['popup_state'] = array(); // Initialize an empty array to store pop-up states
}

// Retrieve the pop-up state for the current entry from the session
$entry_id = $_GET['entry_id']; // Assuming entry_id is passed as a GET parameter
$popup_state = isset($_SESSION['popup_state'][$entry_id]) ? $_SESSION['popup_state'][$entry_id] : false;

// Display pop-up window based on the state
if ($popup_state) {
    // Display pop-up window content
    echo '<div id="popup">Pop-up window content</div>';
}

// Update pop-up state in the session
if (isset($_POST['update_popup_state'])) {
    $_SESSION['popup_state'][$entry_id] = $_POST['popup_state']; // Assuming popup_state is submitted via a form
}
?>

Keywords

PHP pop-up windows state maintenance database entries switching

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