Tự động hóa AVIF & WebP thế hệ mới trực tiếp trong thư viện media WP

<?php
// SmallPict is fully automated out-of-the-box!
// Or use our native PHP helper anywhere in your theme:
if (function_exists('smallpict_get_optimized_url')) {
    $optimized_url = smallpict_get_optimized_url(
        get_post_thumbnail_id(),
        ['format' => 'auto', 'width' => 1200, 'quality' => 82]
    );
    echo '<img src="' . esc_url($optimized_url) . '" alt="Optimized Hero" loading="lazy" />';
}