/*
Theme Name: Flatsome Child
Description: This is a child theme for Flatsome Theme
Author: UX Themes
Template: flatsome
Version: 3.0
*/

/*************** ADD CUSTOM CSS HERE.   ***************/


@media only screen and (max-width: 48em) {
/*************** ADD MOBILE ONLY CSS HERE  ***************/


}

add_filter('the_content', 'replace_fb_post_links_custom', 20);
function replace_fb_post_links_custom($content) {
    // Page username của bạn
    $page_username = 'OneGroupVietNam';

    // Regex tìm các link có dạng: https://www.facebook.com/368620686896964_1079672527513897
    $pattern = '/https:\/\/www\.facebook\.com\/\d+_(\d+)/';

    // Thay thế bằng dạng permalink: https://www.facebook.com/PageUsername/posts/PostID
    $replacement = 'https://www.facebook.com/' . $page_username . '/posts/$1';

    return preg_replace($pattern, $replacement, $content);
}