wordpress调用指定ID页面内的相册

function display_page_gallery($atts) {
    $atts = shortcode_atts(array(
        'page_id' => 0
    ), $atts);
    
    $page = get_post($atts['page_id']);
    if (!$page) return '';
    
    // 提取相册短代码
    $pattern = get_shortcode_regex(array('gallery'));
    if (preg_match("/$pattern/", $page->post_content, $matches)) {
        return do_shortcode($matches[0]);
    }
    
    return '';
}
add_shortcode('page_gallery', 'display_page_gallery');

<?php echo do_shortcode('[page_gallery page_id="2"]'); ?>

<?php
$page = get_post(2);
if ($page) {
    $content = $page->post_content;
    $pattern = get_shortcode_regex(array('gallery'));
    if (preg_match("/$pattern/", $content, $matches)) {
        echo do_shortcode($matches[0]);
    }
}
?>

[page_gallery page_id="2"]