PHP get_children函数代码示例

 public static function setup($output, $attr)
 {
     global $post;
     $html5 = current_theme_supports('html5');
     $atts = shortcode_atts(array('order' => 'ASC', 'orderby' => 'menu_order ID', 'id' => $post ? $post->ID : 0, 'itemtag' => $html5 ? 'figure' : 'dl', 'icontag' => $html5 ? 'div' : 'dt', 'captiontag' => $html5 ? 'figcaption' : 'dd', 'columns' => 3, 'size' => 'thumbnail', 'include' => '', 'exclude' => '', 'link' => ''), $attr, 'gallery');
     $id = intval($atts['id']);
     if (!empty($atts['include'])) {
         $posts = get_posts(array('include' => $atts['include'], 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby']));
         $attachments = array();
         foreach ($posts as $key => $val) {
             $attachments[$val->ID] = $posts[$key];
         }
     } elseif (!empty($atts['exclude'])) {
         $attachments = get_children(array('post_parent' => $id, 'exclude' => $atts['exclude'], 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby']));
     } else {
         $attachments = get_children(array('post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby']));
     }
     if (count($attachments)) {
         foreach ($attachments as &$attachment) {
             $attachment = new \TimberImage($attachment);
         }
         // add a static incrementer for the gallery HTML ID to allow more than one per page.
         static $gallery_inc = 0;
         $gallery_inc++;
         $data['id'] = sprintf("gallery-%s", $gallery_inc);
         $data['thumbnails'] = $attachments;
         return \Timber::compile('gallery.twig', $data);
     }
 }

/**
 * Clean up gallery_shortcode()
 *
 * Re-create the [gallery] shortcode and use thumbnails styling from Bootstrap
 *
 * @link http://twitter.github.com/bootstrap/components.html#thumbnails
 */
function roots_gallery($attr)
{
    $post = get_post();
    static $instance = 0;
    $instance++;
    if (!empty($attr['ids'])) {
        if (empty($attr['orderby'])) {
            $attr['orderby'] = 'post__in';
        }
        $attr['include'] = $attr['ids'];
    }
    $output = apply_filters('post_gallery', '', $attr);
    if ($output != '') {
        return $output;
    }
    if (isset($attr['orderby'])) {
        $attr['orderby'] = sanitize_sql_orderby($attr['orderby']);
        if (!$attr['orderby']) {
            unset($attr['orderby']);
        }
    }
    extract(shortcode_atts(array('order' => 'ASC', 'orderby' => 'menu_order ID', 'id' => $post->ID, 'itemtag' => '', 'icontag' => '', 'captiontag' => '', 'columns' => 3, 'size' => 'thumbnail', 'include' => '', 'exclude' => '', 'link' => 'file'), $attr));
    $id = intval($id);
    if ($order === 'RAND') {
        $orderby = 'none';
    }
    if (!empty($include)) {
        $_attachments = get_posts(array('include' => $include, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby));
        $attachments = array();
        foreach ($_attachments as $key => $val) {
            $attachments[$val->ID] = $_attachments[$key];
        }
    } elseif (!empty($exclude)) {
        $attachments = get_children(array('post_parent' => $id, 'exclude' => $exclude, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby));
    } else {
        $attachments = get_children(array('post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby));
    }
    if (empty($attachments)) {
        return '';
    }
    if (is_feed()) {
        $output = "\n";
        foreach ($attachments as $att_id => $attachment) {
            $output .= wp_get_attachment_link($att_id, $size, true) . "\n";
        }
        return $output;
    }
    $output = '<ul class="thumbnails gallery">';
    $i = 0;
    foreach ($attachments as $id => $attachment) {
        $image = 'file' == $link ? wp_get_attachment_link($id, $size, false, false) : wp_get_attachment_link($id, $size, true, false);
        $output .= '<li>' . $image;
        if (trim($attachment->post_excerpt)) {
            $output .= '<div class="caption hidden">' . wptexturize($attachment->post_excerpt) . '</div>';
        }
        $output .= '</li>';
    }
    $output .= '</ul>';
    return $output;
}

 function tclm()
 {
     if (!isset($_POST['fid']) or empty($_POST['fid'])) {
         $path = 0;
     } else {
         $fid = $_POST['fid'];
         $a = $this->where('typeid=' . $fid)->field('path,typeid')->find();
         if ($a) {
             $path = $a['path'] . '-' . $a['typeid'];
         } else {
             $path = '0';
         }
     }
     //修改时注意将自身的子孙path也修改下
     if (isset($_POST['typeid']) && intval($_POST['typeid']) > 0) {
         $typeid = intval($_POST['typeid']);
         $substr = get_children($typeid, 0);
         if ($substr != '') {
             $old_path = $this->where('typeid=' . $typeid)->getField('path');
             $new_str = 'replace(`path`,\'' . $old_path . '-' . $typeid . '\',\'' . $path . '-' . $typeid . '\')';
             $sql = "UPDATE `" . C('DB_PREFIX') . "type` SET `path`=" . $new_str . " WHERE typeid in(" . $substr . ")";
             M()->query($sql);
         }
     }
     return $path;
 }

 /**
  * Determine the correct image to use for the post
  */
 function get_image()
 {
     // Get the arguments
     $args = $this->args;
     $image = array();
     extract($args);
     // First use the "Featured Image" thumbnail if set
     $thumb_id = get_post_thumbnail_id($post_id);
     if (!empty($thumb_id)) {
         $thumb_id = get_post_thumbnail_id($post_id);
         $src = wp_get_attachment_image_src($thumb_id, $size);
         $img = $src[0];
         // Next try scanning the post for attachments
     } else {
         $att_args = array('numberposts' => 1, 'post_type' => 'attachment', 'post_parent' => $post_id, 'post_mime_type' => 'image', 'post_status' => null);
         $attachments = get_children($att_args);
         // If attachments were found, grab the first one which is a valid image
         if ($attachments) {
             foreach ($attachments as $att) {
                 $src = wp_get_attachment_image_src($att->ID, $size);
                 $img = $src[0];
                 if (!empty($img)) {
                     break;
                 }
             }
         }
         // If we still have nothing, grab a default
         if (empty($img)) {
             $img = THEME_URI . '/images/avatars/foundry-thumb.jpg';
         }
     }
     // Return the image
     return $img;
 }

function photoline_modified_post_gallery($output, $attr)
{
    global $post;
    static $instance = 0;
    $instance++;
    //disable all filter
    if (empty($attr['type']) || $attr['type'] != 'slider') {
        return;
    }
    if (isset($attr['orderby'])) {
        $attr['orderby'] = sanitize_sql_orderby($attr['orderby']);
        if (!$attr['orderby']) {
            unset($attr['orderby']);
        }
    }
    extract(shortcode_atts(array('order' => 'ASC', 'orderby' => 'menu_order ID', 'id' => $post->ID, 'size' => 'photoline-featured', 'include' => '', 'exclude' => ''), $attr));
    $id = intval($id);
    if ('RAND' == $order) {
        $orderby = 'none';
    }
    if (!empty($include)) {
        $include = preg_replace('/[^0-9,]+/', '', $include);
        $_attachments = get_posts(array('include' => $include, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby));
        $attachments = array();
        foreach ($_attachments as $key => $val) {
            $attachments[$val->ID] = $_attachments[$key];
        }
    } elseif (!empty($exclude)) {
        $exclude = preg_replace('/[^0-9,]+/', '', $exclude);
        $attachments = get_children(array('post_parent' => $id, 'exclude' => $exclude, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby));
    } else {
        $attachments = get_children(array('post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby));
    }
    if (empty($attachments)) {
        return '';
    }
    if (is_feed()) {
        $output = "\n";
        foreach ($attachments as $att_id => $attachment) {
            $output .= wp_get_attachment_link($att_id, $size, true) . "\n";
        }
        return $output;
    }
    $selector = "gallery-{$instance}";
    $size_class = sanitize_html_class($size);
    $gallery_div = "<div id='{$selector}' class='gallery galleryid-{$id} gallery-size-{$size_class} flexslider'>";
    $output = apply_filters('gallery_style', $gallery_div);
    $output .= '<ul class="slides">';
    $i = 0;
    foreach ($attachments as $id => $attachment) {
        $caption = !empty($attachment->post_excerpt) ? '<p class="flex-caption wp-caption-text gallery-caption">' . wptexturize($attachment->post_excerpt) . '</p>' : '';
        $image = wp_get_attachment_image($id, $size);
        $output .= '<li>';
        $output .= $image;
        $output .= $caption;
        $output .= '</li>';
    }
    $output .= "\r\n            </ul><!-- .slides -->\r\n        </div>\n";
    return $output;
}

function my_custom_columns($column)
{
    global $post;
    // Bildstorlek
    $width = (int) 200;
    $height = (int) 125;
    if ('ID' == $column) {
        echo $post->ID;
    } elseif ('thumbnail' == $column) {
        // thumbnail of WP 2.9
        $thumbnail_id = get_post_meta($post->ID, '_thumbnail_id', true);
        // image from gallery
        $attachments = get_children(array('post_parent' => $post_id, 'post_type' => 'attachment', 'post_mime_type' => 'image'));
        if ($thumbnail_id) {
            $thumb = wp_get_attachment_image($thumbnail_id, array($width, $height), true);
        } elseif ($attachments) {
            foreach ($attachments as $attachment_id => $attachment) {
                $thumb = wp_get_attachment_image($attachment_id, array($width, $height), true);
            }
        }
        if (isset($thumb) && $thumb) {
            echo $thumb;
        } else {
            echo __('None');
        }
    } elseif ('description' == $column) {
        echo $post->post_content;
    }
}

 public function prettyfilelist_shortcode($atts, $content = null)
 {
     //Get attributes from shortcode
     extract(shortcode_atts(array("type" => "excel,pdf,doc,zip,ppt", "filesperpage" => "7"), $atts));
     $html = '';
     //Set paging numbers
     $params = array('pageAt' => $filesperpage);
     wp_localize_script('prettylistjs', 'prettylistScriptParams', $params);
     wp_enqueue_script("jquery");
     wp_enqueue_script('prettylistjs');
     //Get a string of mime types we want
     $mimeTypesToGet = $this->TypeToMime($type);
     //Check to see if we want all types
     //If all types add filters
     //Get all attachments of the right type
     //TODO:Add option for 'orderby' => 'title'
     $args = array('post_type' => 'attachment', 'numberposts' => -1, 'post_status' => null, 'post_parent' => get_the_id(), 'post_mime_type' => $mimeTypesToGet);
     $attachments = get_children($args);
     if ($attachments) {
         $html .= '<div class="prettyFileList">';
         foreach ($attachments as $attachment) {
             $html .= $this->srf_get_formatted_link($attachment);
         }
         $html .= '</div>';
     }
     return $html;
 }

 public function shortcode($attr)
 {
     $post = get_post();
     if (!empty($attr['ids'])) {
         // 'ids' is explicitly ordered, unless you specify otherwise.
         if (empty($attr['orderby'])) {
             $attr['orderby'] = 'post__in';
         }
         $attr['include'] = $attr['ids'];
     }
     $atts = shortcode_atts(array('order' => 'ASC', 'orderby' => 'menu_order ID', 'id' => $post ? $post->ID : 0, 'include' => '', 'exclude' => '', 'size' => array($this->args['width'], $this->args['height'])), $attr, 'gallery');
     $id = intval($atts['id']);
     if (!empty($atts['include'])) {
         $attachments = get_posts(array('include' => $atts['include'], 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'], 'fields' => 'ids'));
     } elseif (!empty($atts['exclude'])) {
         $attachments = get_children(array('post_parent' => $id, 'exclude' => $atts['exclude'], 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'], 'fields' => 'ids'));
     } else {
         $attachments = get_children(array('post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'], 'fields' => 'ids'));
     }
     if (empty($attachments)) {
         return '';
     }
     $urls = array();
     foreach ($attachments as $attachment_id) {
         list($url, $width, $height) = wp_get_attachment_image_src($attachment_id, $atts['size'], true);
         if (!$url) {
             continue;
         }
         $urls[] = array('url' => $url, 'width' => $width, 'height' => $height);
     }
     return $this->render(array('images' => $urls));
 }

 /**
  * Cache images on post's saving
  */
 function check_post_for_images($post_ID, $ablog, $item)
 {
     // Get the post so we can edit it.
     $post = get_post($post_ID);
     $images = $this->get_remote_images_in_content($post->post_content);
     if (!empty($images)) {
         // Include the file and media libraries as they have the functions we want to use
         require_once ABSPATH . 'wp-admin/includes/file.php';
         require_once ABSPATH . 'wp-admin/includes/media.php';
         foreach ($images as $image) {
             preg_match('/[^\\?]+\\.(jpe?g|jpe|gif|png)\\b/i', $image, $matches);
             if (!empty($matches)) {
                 $this->grab_image_from_url($image, $post_ID);
             }
         }
         // Set the first image as the featured one - from a snippet at http://wpengineer.com/2460/set-wordpress-featured-image-automatically/
         $imageargs = array('numberposts' => 1, 'order' => 'ASC', 'post_mime_type' => 'image', 'post_parent' => $post_ID, 'post_status' => NULL, 'post_type' => 'attachment');
         $cachedimages = get_children($imageargs);
         if (!empty($cachedimages)) {
             foreach ($cachedimages as $image_id => $image) {
                 set_post_thumbnail($post_ID, $image_id);
             }
         }
     }
     // Returning the $post_ID even though it's an action and we really don't need to
     return $post_ID;
 }

 public function showImagesList($post_id)
 {
     $attachments = array();
     if ($post_id) {
         $post = get_post($post_id);
         if ($post && $post->post_type == 'attachment') {
             $attachments = array($post->ID => $post);
         } else {
             $attachments = get_children(array('post_parent' => $post_id, 'post_type' => 'attachment', 'orderby' => 'menu_order ASC, ID', 'order' => 'DESC'));
         }
     } else {
         if (is_array($GLOBALS['wp_the_query']->posts)) {
             foreach ($GLOBALS['wp_the_query']->posts as $attachment) {
                 $attachments[$attachment->ID] = $attachment;
             }
         }
     }
     $output = '';
     foreach ((array) $attachments as $id => $attachment) {
         if ($attachment->post_status == 'trash') {
             continue;
         }
         if ($item = $this->getMediaItem($id, array('used' => in_array((string) $id, $this->selected_ids), 'errors' => isset($this->errors[$id]) ? $this->errors[$id] : null))) {
             $output .= "\n{$item}\n";
         }
     }
     return $output;
 }

function thumb_or_first($post_id = null, $path = true, $nopic = false, $size = 'large', $details = false)
{
    global $root;
    global $default_img;
    $thumb = wp_get_attachment_image_src(get_post_thumbnail_id($post_id), $size);
    if (!empty($thumb)) {
        $thumb = $thumb[0];
    } else {
        $imgs = array();
        $images = get_children(array('post_type' => 'attachment', 'numberposts' => 1, 'post_status' => null, 'post_parent' => $post_id, 'orderby' => 'menu_order', 'order' => 'ASC', 'post_mime_type' => 'image'));
        if (count($images)) {
            foreach ($images as $image) {
                $attachment = wp_get_attachment_image_src($image->ID, 'large');
                if (file_exists($root . str_replace('http://' . $_SERVER['HTTP_HOST'], '', $attachment[0]))) {
                    $thumb = $attachment[0];
                } else {
                    if ($nopic) {
                        $thumb = 'http://' . $_SERVER['HTTP_HOST'] . $default_img;
                    }
                }
            }
        } else {
            if ($nopic) {
                $thumb = 'http://' . $_SERVER['HTTP_HOST'] . $default_img;
            }
        }
    }
    if ($path) {
        $thumb = str_replace('http://' . $_SERVER['HTTP_HOST'], '', $thumb);
    }
    return $thumb;
}

 protected function lists($typeid, $mode, $limit, $param, $order = 'addtime desc')
 {
     //查询数据库
     $article = D('ArticleView');
     $type = M('type');
     //封装条件
     $map['status'] = 1;
     //准备工作
     //追影 QQ:279197963修改让其支持无限极
     $arr = get_children($typeid);
     //模式判断
     switch ($mode) {
         case 0:
             $map['article.typeid'] = array('in', $arr);
             break;
         case 1:
             $map['article.typeid'] = $typeid;
             break;
         case 2:
             $map['article.typeid'] = array('in', $arr);
             break;
     }
     $alist = $article->where($map)->order($order)->limit($limit)->select();
     $this->assign($param, $alist);
 }

function eventon_create_duplicate_from_event($post, $parent = 0, $post_status = '')
{
    global $wpdb;
    $new_post_author = wp_get_current_user();
    $new_post_date = current_time('mysql');
    $new_post_date_gmt = get_gmt_from_date($new_post_date);
    if ($parent > 0) {
        $post_parent = $parent;
        $post_status = $post_status ? $post_status : 'publish';
        $suffix = '';
    } else {
        $post_parent = $post->post_parent;
        $post_status = $post_status ? $post_status : 'draft';
        $suffix = ' ' . __('(Copy)', 'eventon');
    }
    // Insert the new template in the post table
    $wpdb->insert($wpdb->posts, array('post_author' => $new_post_author->ID, 'post_date' => $new_post_date, 'post_date_gmt' => $new_post_date_gmt, 'post_content' => $post->post_content, 'post_content_filtered' => $post->post_content_filtered, 'post_title' => $post->post_title . $suffix, 'post_excerpt' => $post->post_excerpt, 'post_status' => $post_status, 'post_type' => $post->post_type, 'comment_status' => $post->comment_status, 'ping_status' => $post->ping_status, 'post_password' => $post->post_password, 'to_ping' => $post->to_ping, 'pinged' => $post->pinged, 'post_modified' => $new_post_date, 'post_modified_gmt' => $new_post_date_gmt, 'post_parent' => $post_parent, 'menu_order' => $post->menu_order, 'post_mime_type' => $post->post_mime_type));
    $new_post_id = $wpdb->insert_id;
    // Copy the taxonomies
    eventon_duplicate_post_taxonomies($post->ID, $new_post_id, $post->post_type);
    // Copy the meta information
    eventon_duplicate_post_meta($post->ID, $new_post_id);
    // ONLY for ticket addon event duplication
    if ($post->post_type == 'product') {
        $exclude = apply_filters('woocommerce_duplicate_product_exclude_children', false);
        if (!$exclude && ($children_products = get_children('post_parent=' . $post->ID . '&post_type=product_variation'))) {
            foreach ($children_products as $child) {
                eventon_create_duplicate_from_event(eventon_get_event_to_duplicate($child->ID), $new_post_id, $child->post_status);
            }
        }
    }
    return $new_post_id;
}

function social_ring_get_first_image()
{
    global $post, $posts;
    if (function_exists('has_post_thumbnail') && has_post_thumbnail($post->ID)) {
        $thumbnail = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'post-thumbnail');
        if ($thumbnail) {
            $image = $thumbnail[0];
        }
        // If that's not there, grab the first attached image
    } else {
        $files = get_children(array('post_parent' => $post->ID, 'post_type' => 'attachment', 'post_mime_type' => 'image'));
        if ($files) {
            $keys = array_reverse(array_keys($files));
            $image = image_downsize($keys[0], 'thumbnail');
            $image = $image[0];
        }
    }
    //if there's no attached image, try to grab first image in content
    if (empty($image)) {
        ob_start();
        ob_end_clean();
        $output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
        if (!empty($matches[1][0])) {
            $image = $matches[1][0];
        }
    }
    return $image;
}

function jQuery_gallery($null, $attr)
{
    global $post;
    $attachments = get_children(array('post_parent' => $post->ID, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID'));
    $lis = array();
    foreach ($attachments as $key => $attachment) {
        array_push($lis, '<li>' . wp_get_attachment_link($key, 'thumbnail', false, false) . '</li>');
    }
    $output = '
	<div id="gallery" class="ad-gallery">
		<div class="ad-image-wrapper"></div>
		<div class="ad-controls"></div>
		<div class="ad-nav">
			<div class="ad-thumbs">
				<ul class="ad-thumb-list">
					' . implode('', $lis) . '
				</ul>
			</div>
		</div>
	</div>
	<script type="text/javascript">
	$("div.ad-gallery").adGallery({
		loader_image: "/i/loader.gif",
		slideshow:{enable:false},
		callbacks: {
			init: function() {
				this.preloadAll();
			}
		}
	});
	</script>
	';
    return $output;
}