PHP get_post_thumbnail_id函数代码示例

function charity_vc_our_mission($atts, $content = null)
{
    extract(shortcode_atts(array('our_mission' => ''), $atts));
    $page_id = get_page_by_title($our_mission);
    $missionQuery = new WP_Query(array("page_id" => $page_id->ID));
    if ($missionQuery->have_posts()) {
        $missionQuery->the_post();
        $url = wp_get_attachment_image_src(get_post_thumbnail_id($page_id->ID), array(1143, 479));
        ?>
        <!-- Save Lives Section Start Here-->
        <section class="save-lives text-center parallax" style="background-image: url('<?php 
        echo esc_url($url[0]);
        ?>
')">
            <div class="container">
                <div class="row">
                    <div class="col-xs-12 col-sm-8 col-sm-offset-2 col-md-6 col-md-offset-3">
                        <header class="page-header">
                            <h2><?php 
        the_title();
        ?>
</h2>
                            <?php 
        the_content();
        ?>
                        </header>
                    </div>
                </div>
            </div>
        </section>
        <!-- Save Lives Section Start Here-->
    <?php 
    }
    wp_reset_postdata();
}

function ya_product_thumbnail($size = 'shop_catalog', $placeholder_width = 0, $placeholder_height = 0)
{
    global $post;
    $html = '';
    $id = get_the_ID();
    $gallery = get_post_meta($id, '_product_image_gallery', true);
    $attachment_image = '';
    if (!empty($gallery)) {
        $gallery = explode(',', $gallery);
        $first_image_id = $gallery[0];
        $attachment_image = wp_get_attachment_image($first_image_id, $size, false, array('class' => 'hover-image back'));
    }
    $image = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), '');
    if (has_post_thumbnail()) {
        if ($attachment_image) {
            $html .= '<div class="product-thumb-hover">';
            $html .= get_the_post_thumbnail($post->ID, $size) ? get_the_post_thumbnail($post->ID, $size) : '<img src="' . get_template_directory_uri() . '/assets/img/placeholder/' . $size . '.png" alt="No thumb">';
            $html .= $attachment_image;
            $html .= '</div>';
            /* quickview */
            $nonce = wp_create_nonce("ya_quickviewproduct_nonce");
            $link = admin_url('admin-ajax.php?ajax=true&amp;action=ya_quickviewproduct&amp;post_id=' . $post->ID . '&amp;nonce=' . $nonce);
            $html .= '<a href="' . $link . '" data-fancybox-type="ajax" class="group fancybox fancybox.ajax">' . apply_filters('out_of_stock_add_to_cart_text', __('Quick View ', 'yatheme')) . '</a>';
        } else {
            $html .= get_the_post_thumbnail($post->ID, $size) ? get_the_post_thumbnail($post->ID, $size) : '<img src="' . get_template_directory_uri() . '/assets/img/placeholder/' . $size . '.png" alt="No thumb">';
        }
        return $html;
    } else {
        $html .= '<img src="' . get_template_directory_uri() . '/assets/img/placeholder/' . $size . '.png" alt="No thumb">';
        return $html;
    }
}

/**
 * Returns classic grid element for a given product
 *
 * @param object $post Product post object
 * @param string $archive_template
 * @return string
 */
function get_grid_archive_theme($post, $archive_template = null)
{
    $archive_template = isset($archive_template) ? $archive_template : get_product_listing_template();
    $return = '';
    if ($archive_template == 'grid') {
        $image_id = get_post_thumbnail_id($post->ID);
        $thumbnail_product = wp_get_attachment_image_src($image_id, 'classic-grid-listing');
        $product_name = get_product_name();
        if ($thumbnail_product) {
            $img_class['alt'] = $product_name;
            $img_class['class'] = 'classic-grid-image';
            $image = wp_get_attachment_image($image_id, 'classic-grid-listing', false, $img_class);
        } else {
            $url = default_product_thumbnail_url();
            $image = '<img src="' . $url . '" class="classic-grid-image" alt="' . $product_name . '" >';
        }
        $archive_price = apply_filters('archive_price_filter', '', $post);
        $classic_grid_settings = get_classic_grid_settings();
        $row_class = get_row_class($classic_grid_settings);
        $return = '<div class="archive-listing product-' . $post->ID . ' classic-grid ' . $row_class . ' ' . product_class($post->ID) . '">';
        $return .= '<a href="' . get_permalink() . '">';
        //$return .= '<div style="background-image:url(\'' . $url . '\');" class="classic-grid-element"></div>';
        $return .= '<div class="classic-grid-image-wrapper"><div class="pseudo"></div><div class="image">' . $image . '</div></div>';
        $return .= '<h3 class="product-name">' . $product_name . '</h3>' . $archive_price . '</a></div>';
    }
    return $return;
}

function vr_set_featured_background()
{
    $page_for_posts = get_option('page_for_posts');
    $image_url = wp_get_attachment_image_src(get_post_thumbnail_id($page_for_posts), full, false);
    if ($image_url[0]) {
        ?>
          <style>
            html,body {
                height:100%;
                margin:0!important;
              }
              body {
                background:url(<?php 
        echo $image_url[0];
        ?>
) #fff center center repeat;
              }
              .wrapper {
                height: auto;
              }
          </style>
        <?php 
    }
    //end if statement
}

function al_portfolio_meta_tags()
{
    $post_type = get_post_type();
    if ('portfolio' == $post_type) {
        $title = get_post_meta(get_the_ID(), "al_pf_og_title", TRUE);
        $title = !empty($title) ? $title : get_the_title();
        $meta = array('og:title' => $title, 'og:url' => get_permalink());
        $desc = get_post_meta(get_the_ID(), "al_pf_og_description", TRUE);
        $desc = !empty($desc) ? $desc : false;
        if ($desc) {
            $meta['og:description'] = $desc;
        }
        if (has_post_thumbnail()) {
            $thumbnail = wp_get_attachment_image_src(get_post_thumbnail_id(), 'full');
            $meta['og:image'] = $thumbnail[0];
        }
        if (get_post_format() == 'gallery') {
            $images = rwmb_meta('al_pf_gallery_images', 'type=image&size=full');
            if (is_array($images)) {
                foreach ($images as $image) {
                    $meta['images'][] = $image['url'];
                }
            }
        }
        foreach ($meta as $key => $value) {
            if ($key == 'images') {
                foreach ($value as $image) {
                    echo '<meta property="og:image" content="' . $image . '" />';
                }
            } else {
                echo '<meta property="' . $key . '" content="' . $value . '" />';
            }
        }
    }
}

function ac_render_ac_easy_slideshow($full_width = false, $type = 'royalslider')
{
    // We need to build an array of posts to pass through to the RoyalSlider function
    $posts = array();
    // Should we include the featured image?
    if (has_post_thumbnail() && ac_get_meta('include_featured_image') == 1) {
        $posts[] = get_post(get_post_thumbnail_id());
    }
    // Get the images to use
    $images = ac_get_meta('images', array('type' => 'image_advanced'));
    // Add them to the slides
    foreach ($images as $image) {
        // Add to our slides
        $posts[] = get_post($image['ID']);
    }
    $args = array('slider_style' => 'no-caption', 'slider_size' => 'square', 'class' => 'ac_easy_slider');
    if ($full_width) {
        $args['full_width'] = true;
    }
    // Render the slideshow
    if (count($posts)) {
        if ($type == 'royalslider') {
            echo ac_render_posts_slideshow($args, $posts);
        } else {
            echo ac_render_slick_carousel($args, $posts);
        }
        return true;
    }
    return false;
}

 /**
  * Compile the schema.org event data into an array
  */
 public function get_data($post = null, $args = array())
 {
     if (!$post instanceof WP_Post) {
         $post = Tribe__Main::post_id_helper($post);
     }
     $post = get_post($post);
     if (!$post instanceof WP_Post) {
         return array();
     }
     $data = (object) array();
     // We may need to prevent the context to be triggered
     if (!isset($args['context']) || false !== $args['context']) {
         $data->{'@context'} = 'http://schema.org';
     }
     $data->{'@type'} = $this->type;
     $data->name = esc_js(get_the_title($post));
     $data->description = esc_js(tribe_events_get_the_excerpt($post));
     if (has_post_thumbnail($post)) {
         $data->image = wp_get_attachment_url(get_post_thumbnail_id($post));
     }
     $data->url = esc_url_raw(get_permalink($post));
     // Index by ID: this will allow filter code to identify the actual event being referred to
     // without injecting an additional property
     return array($post->ID => $data);
 }

 /**
  * Compile the schema.org event data into an array
  */
 private function build_data()
 {
     global $post;
     $id = $post->ID;
     $events_data = array();
     // Index by ID: this will allow filter code to identify the actual event being referred to
     // without injecting an additional property
     $events_data[$id] = new stdClass();
     $events_data[$id]->{'@context'} = 'http://schema.org';
     $events_data[$id]->{'@type'} = 'Event';
     $events_data[$id]->name = get_the_title();
     if (has_post_thumbnail()) {
         $events_data[$id]->image = wp_get_attachment_url(get_post_thumbnail_id($post->ID));
     }
     $events_data[$id]->url = get_the_permalink($post->ID);
     $events_data[$id]->startDate = get_gmt_from_date(tribe_get_start_date($post, true, TribeDateUtils::DBDATETIMEFORMAT), 'c');
     $events_data[$id]->endDate = get_gmt_from_date(tribe_get_end_date($post, true, TribeDateUtils::DBDATETIMEFORMAT), 'c');
     if (tribe_has_venue($id)) {
         $events_data[$id]->location = new stdClass();
         $events_data[$id]->location->{'@type'} = 'Place';
         $events_data[$id]->location->name = tribe_get_venue($post->ID);
         $events_data[$id]->location->address = strip_tags(str_replace("\n", '', tribe_get_full_address($post->ID)));
     }
     /**
      * Allows the event data to be modifed by themes and other plugins.
      *
      * @param array $events_data objects representing the Google Markup for each event.
      */
     $events_data = apply_filters('tribe_google_event_data', $events_data);
     // Strip the post ID indexing before returning
     $events_data = array_values($events_data);
     return $events_data;
 }

/**
 * 
 * @global type $post
 * 
 */
function dfi_download_featured_images()
{
    global $post;
    //get featured enable lists
    $post_options = (array) json_decode(get_option('featured_enable'));
    $singular = '';
    $is_page = '';
    if (!empty($post_options['page'])) {
        $is_page = is_page();
        unset($post_options['page']);
    }
    if (!empty($post_options)) {
        $post_options = array_values($post_options);
        $singular = is_singular($post_options);
    } else {
        $singular = $is_page;
    }
    if (!empty($post_options) && $is_page != '') {
        $singular = $is_page || $singular;
    }
    //    echo '<pre>';
    //    print_r($post_options);
    //    exit;
    if ($singular && has_post_thumbnail()) {
        $url = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'single-post-thumbnail');
        $icon = get_post_meta($post->ID, 'featured_download', true);
        if ($url[0] != '' && $icon == 'yes') {
            dfi_add_download_button($url[0]);
        }
    }
}

function get_tour_info()
{
    $tourinfo = array();
    $tour_ID = get_the_ID();
    $tour_title = get_the_title();
    $tour_feat_image_url = get_no_img_url();
    if (has_post_thumbnail()) {
        $tour_feat_image_url = wp_get_attachment_url(get_post_thumbnail_id());
    }
    $tour_excerpt = get_the_excerpt();
    $tour_post_link = get_permalink($tour_ID);
    $tour_departure = get_location_ID(get_post_meta($tour_ID, 'tour_departure', true));
    $tour_arrival = get_location_ID(get_post_meta($tour_ID, 'tour_arrival', true));
    $tour_price = get_post_meta($tour_ID, 'tour_price', true);
    $tour_price_discount = get_post_meta($tour_ID, 'tour_price_discount', true);
    $tour_start = get_post_meta($tour_ID, 'tour_start', true);
    $tour_end = get_post_meta($tour_ID, 'tour_end', true);
    $tour_days = get_post_meta($tour_ID, 'tour_days', true);
    $tourinfo['tour_ID'] = $tour_ID;
    $tourinfo['tour_title'] = $tour_title;
    $tourinfo['tour_feat_image_url'] = $tour_feat_image_url;
    $tourinfo['tour_excerpt'] = $tour_excerpt;
    $tourinfo['tour_post_link'] = $tour_post_link;
    $tourinfo['tour_departure'] = $tour_departure;
    $tourinfo['tour_arrival'] = $tour_arrival;
    $tourinfo['tour_price'] = $tour_price;
    $tourinfo['tour_price_discount'] = $tour_price_discount;
    $tourinfo['tour_start'] = $tour_start;
    $tourinfo['tour_end'] = $tour_end;
    $tourinfo['tour_days'] = $tour_days;
    return $tourinfo;
}

    /**
     * Display the Open Graph meta tags.
     * Add more to this if needed.
     *
     * See: https://developers.facebook.com/docs/sharing/webmasters and http://ogp.me/
     */
    function skeleton_og_meta_tags()
    {
        if (is_single() || is_page()) {
            if (have_posts()) {
                while (have_posts()) {
                    the_post();
                    ?>
        <meta name="og:description" content="<?php 
                    the_excerpt_rss();
                    ?>
">
        <meta name="og:image" content="<?php 
                    echo skeleton_get_thumbnail_src(get_post_thumbnail_id());
                    ?>
">
    <?php 
                }
            }
        } elseif (is_home()) {
            ?>
        <meta name="og:description" content="<?php 
            bloginfo('description');
            ?>
">
    <?php 
        }
    }

function post_thumbnail_src()
{
    global $post;
    if ($values = get_post_custom_values("thumb")) {
        //输出自定义域图片地址
        $values = get_post_custom_values("thumb");
        $post_thumbnail_src = $values[0];
    } elseif (has_post_thumbnail()) {
        //如果有特色缩略图，则输出缩略图地址
        $thumbnail_src = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'full');
        $post_thumbnail_src = $thumbnail_src[0];
    } else {
        $post_thumbnail_src = '';
        ob_start();
        ob_end_clean();
        $output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
        $post_thumbnail_src = $matches[1][0];
        //获取该图片 src
        if (empty($post_thumbnail_src)) {
            //如果日志中没有图片，则显示随机图片
            $random = mt_rand(1, 10);
            echo get_bloginfo('template_url');
            echo '/images/random/' . $random . '.jpg';
            //如果日志中没有图片，则显示默认图片
            //echo '/images/default_thumb.jpg';
        }
    }
    echo $post_thumbnail_src;
}

/**
 * Get post type erm_menu_item data
 *
 * @since 1.0
 * @param $id
 * @return array
 */
function erm_get_menu_item_data($id)
{
    $post = get_post($id);
    if ($post && get_post_type($id) == 'erm_menu_item') {
        $visible = get_post_meta($id, '_erm_visible', true);
        if (has_post_thumbnail($id)) {
            $thumbnail_id = get_post_thumbnail_id($id);
            $image_src_thumb = wp_get_attachment_image_src($thumbnail_id);
            $image_src_thumb = isset($image_src_thumb[0]) ? $image_src_thumb[0] : '';
            $image_src_big = wp_get_attachment_image_src($thumbnail_id, 'full');
            $image_src_big = isset($image_src_big[0]) ? $image_src_big[0] : '';
            $post_image = get_post($thumbnail_id);
            $image_title = $post_image->post_excerpt;
            $image_desc = $post_image->post_content;
        } else {
            $thumbnail_id = 0;
            $image_src_thumb = '';
            $image_src_big = '';
            $image_title = '';
            $image_desc = '';
        }
        $prices = get_post_meta($id, '_erm_prices', true);
        return array('id' => intval($id), 'type' => get_post_meta($id, '_erm_type', true), 'visible' => $visible ? 1 : 0, 'title' => $post->post_title, 'content' => $post->post_content, 'image_id' => intval($thumbnail_id), 'src_thumb' => $image_src_thumb, 'src_big' => $image_src_big, 'image_title' => $image_title, 'image_desc' => $image_desc, 'prices' => $prices, 'link' => get_edit_post_link($id));
    }
    return array();
}

/**
 * Markup for the advanced featured image metabox.
 *
 * @param string $content Content in the featured image metabox.
 * @param number $post_id Id of the post we are on.
 *
 * @return string Content for the featured image.
 */
function afi_metabox($content, $post_id)
{
    wp_nonce_field('afi_metabox_' . $post_id, 'afi_metabox_nonce');
    $image_url = get_post_meta($post_id, '_afi_img_src', true);
    if (!$image_url) {
        $post_thumbnail_id = get_post_thumbnail_id($post_id);
        if ('' !== $post_thumbnail_id) {
            $image_url = wp_get_attachment_url($post_thumbnail_id);
        }
    }
    $content = '<div id="custom_image_container">';
    if ($image_url) {
        $content .= '<img src="' . $image_url . '" style="max-width:100%;" />';
    }
    $content .= '</div>';
    // Add & remove image links.
    $content .= '<p class="hide-if-no-js">';
    $content .= '<a class="upload-custom-img ' . ($image_url ? 'hidden' : '') . '" href="#">';
    $content .= __('Set custom image', 'tutsplus');
    $content .= '</a>';
    $content .= '<a class="delete-custom-img ' . (!$image_url ? 'hidden' : '') . '" href="#">';
    $content .= __('Remove this image', 'tutsplus');
    $content .= '</a>';
    $content .= '</p>';
    // Hidden input to set the chosen image url on post.
    $content .= '<input class="afi-img-id" name="afi-img-src" type="hidden" value="' . esc_url($image_url) . '" />';
    return $content;
}

function sfc_media_find_images($post, $content = '')
{
    if (empty($content)) {
        $content = apply_filters('the_content', $post->post_content);
    }
    $images = array();
    // we get the post thumbnail, put it first in the image list
    if (current_theme_supports('post-thumbnails') && has_post_thumbnail($post->ID)) {
        $thumbid = get_post_thumbnail_id($post->ID);
        $att = wp_get_attachment_image_src($thumbid, 'full');
        if (!empty($att[0])) {
            $images[] = $att[0];
        }
    }
    if (is_attachment() && preg_match('!^image/!', get_post_mime_type($post))) {
        $images[] = wp_get_attachment_url($post->ID);
    }
    // now search for images in the content itself
    if (preg_match_all('/<img\\s+(.+?)>/i', $content, $matches)) {
        foreach ($matches[1] as $match) {
            foreach (wp_kses_hair($match, array('http')) as $attr) {
                $img[strtolower($attr['name'])] = $attr['value'];
            }
            if (isset($img['src'])) {
                if (!isset($img['class']) || isset($img['class']) && false === straipos($img['class'], apply_filters('sfc_img_exclude', array('wp-smiley')))) {
                    // ignore smilies
                    if (!in_array($img['src'], $images) && strpos($img['src'], 'fbcdn.net') === false && strpos($img['src'], '/plugins/') === false) {
                        $images[] = $img['src'];
                    }
                }
            }
        }
    }
    return $images;
}