lich

<?php
/*
Template Name: Image Gallery by Date
*/
get_header();
?>

<div id="primary" class="content-area">
    <main id="main" class="site-main">
        <h1>Image Gallery by Date</h1>

        <!-- Biểu mẫu chọn ngày -->
        <form method="post">
            <label for="selected_date">Select a Date: </label>
            <input type="date" id="selected_date" name="selected_date" value="<?php echo empty($_POST['selected_date']) ? date('Y-m-d') : esc_attr($_POST['selected_date']); ?>">
            <input type="submit" value="Show Images">
        </form>

        <?php
        // Hiển thị ảnh tương ứng với ngày được chọn hoặc ngày hôm nay
        $selected_date = empty($_POST['selected_date']) ? date('Y-m-d') : $_POST['selected_date'];
        $image_folder = '/path/to/your/image/folder';
        $images = get_images_by_date($image_folder, $selected_date);

        if (!empty($images)) {
            echo '<h2>Images on ' . $selected_date . '</h2>';
            echo '<ul class="image-list">';
            foreach ($images as $image) {
                echo '<li>';
                echo '<img src="' . $image['filename'] . '" alt="' . $image['date'] . '">';
                echo '<p>' . $image['date'] . '</p>';
                echo '</li>';
            }
            echo '</ul>';
        } else {
            echo '<p>No images found for ' . $selected_date . '</p>';
        }
        ?>
    </main><!-- #main -->
</div><!-- #primary -->

<?php
get_footer();
?>

<?php
function get_images_by_date($folder, $selected_date) {
    $image_list = [];

    $files = scandir($folder);
    foreach ($files as $filename) {
        $filepath = $folder . '/' . $filename;
        if (is_file($filepath) && preg_match('/\.(jpg|jpeg|png)$/', $filename)) {
            // Extract date from the filename assuming it's in the format YYYY-MM-DD
            $date_parts = explode('-', basename($filename, '.jpg')); 
            $date = implode('-', array_slice($date_parts, 0, 3));
            
            if ($date == $selected_date) {
                $image_list[] = ['filename' => $filepath, 'date' => $date];
            }
        }
    }

    return $image_list;
}
?>