Are there any recommended resources or tutorials for implementing a feature that allows users to mark and download images in a PHP gallery?

To implement a feature that allows users to mark and download images in a PHP gallery, you can create a checkbox next to each image for users to select the images they want to download. When the user clicks a download button, the selected images can be zipped and downloaded. 

// Display images with checkboxes
foreach ($images as $image) {
    echo '<img src="' . $image['url'] . '" alt="' . $image['name'] . '">';
    echo '<input type="checkbox" name="selected_images[]" value="' . $image['id'] . '">';
}

// Download selected images
if (isset($_POST['download'])) {
    $zip = new ZipArchive();
    $zip_name = 'images.zip';
    if ($zip->open($zip_name, ZipArchive::CREATE) === TRUE) {
        foreach ($_POST['selected_images'] as $image_id) {
            $image_path = getImagePathById($image_id); // Function to get image path by ID
            $zip->addFile($image_path, basename($image_path));
        }
        $zip->close();
        header('Content-Type: application/zip');
        header('Content-Disposition: attachment; filename="' . $zip_name . '"');
        readfile($zip_name);
        unlink($zip_name);
        exit;
    }
}

Keywords

PHP gallery image marking image downloading tutorials

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