Пример #1
0
/**
 * Image post format custom output
 */
function duena_post_format_image()
{
    global $post;
    if (function_exists('get_post_format_meta')) {
        $meta = get_post_format_meta($post->ID);
    }
    if (!empty($meta['image'])) {
        $att_id = img_html_to_post_id($meta['image']);
        $image = wp_get_attachment_image($att_id, array(770, 295));
        $cur_url = wp_get_attachment_url($att_id, false);
    } elseif (has_post_thumbnail()) {
        $post_thumbnail_id = get_post_thumbnail_id();
        $image = wp_get_attachment_image($post_thumbnail_id, array(770, 295));
        $cur_url = wp_get_attachment_url($post_thumbnail_id, false);
    } else {
        $args = array('post_type' => 'attachment', 'post_mime_type' => 'image', 'numberposts' => 1, 'post_status' => null, 'post_parent' => $post->ID, 'orderby' => 'menu_order', 'order' => 'asc');
        $attachments = get_posts($args);
        if ($attachments) {
            foreach ($attachments as $attachment) {
                $image = wp_get_attachment_image($attachment->ID, array(770, 295));
                $cur_url = wp_get_attachment_url($attachment->ID, false);
            }
        }
    }
    if (isset($cur_url)) {
        echo '<a href="' . $cur_url . '" class="lightbox_img single" data-effect="mfp-zoom-in">' . $image . '</a>';
    }
}
Пример #2
0
/**
 * Return the first image in the current (@global) post's content
 *
 * @since 3.6.0
 *
 * @param string $attached_size If an attached image is found, the size to display it.
 * @param WP_Post $post Optional. Used instead of global $post when passed.
 */
function get_the_post_format_image($attached_size = 'full', &$post = null)
{
    if (empty($post)) {
        $post = get_post();
    }
    if (empty($post)) {
        return '';
    }
    $cache_key = "image:{$attached_size}";
    if (isset($post->format_content[$cache_key])) {
        return $post->format_content[$cache_key];
    }
    if (!isset($post->format_content)) {
        $post->format_content = array();
    }
    $matched = false;
    $meta = get_post_format_meta($post->ID);
    $link_fmt = '%s';
    if (!empty($meta['url'])) {
        $link_fmt = '<a href="' . esc_url($meta['url']) . '">%s</a>';
    }
    if (!empty($meta['image'])) {
        if (is_numeric($meta['image'])) {
            $image = wp_get_attachment_image(absint($meta['image']), $attached_size);
            // wrap image in <a>
            if (!empty($meta['url'])) {
                $image = sprintf($link_fmt, $image);
            }
        } elseif (has_shortcode($meta['image'], 'caption')) {
            // wrap <img> in <a>
            if (!empty($meta['url']) && false === strpos($meta['image'], '<a ')) {
                $meta['image'] = preg_replace('#(<img[^>]+>)#', sprintf('<a href="%s">$1</a>', esc_url($meta['url'])), $meta['image']);
            }
            $attachment_id = img_html_to_post_id($meta['image'], $matched_html);
            if ($attachment_id && $matched_html) {
                $meta['image'] = str_replace($matched_html, wp_get_attachment_image($attachment_id, $attached_size), $meta['image']);
                $attachment = wp_get_attachment_image_src($attachment_id, $attached_size);
                $attachment_width = !empty($attachment[1]) ? $attachment[1] : 0;
                if ($attachment_width && preg_match_all('#width=([\'"])(.+?)\\1#is', $meta['image'], $matches) && !empty($matches)) {
                    foreach ($matches[2] as $width) {
                        if ($width != $attachment_width) {
                            $meta['image'] = str_replace($matches[0], sprintf('width="%d"', $attachment_width), $meta['image']);
                        }
                    }
                }
            }
            $image = do_shortcode($meta['image']);
        } elseif (!preg_match('#<[^>]+>#', $meta['image'])) {
            // not HTML, assume URL
            $attachment_id = attachment_url_to_postid($meta['image']);
            if ($attachment_id) {
                $image = wp_get_attachment_image($attachment_id, $attached_size);
            } else {
                $image = sprintf('<img src="%s" alt="" />', esc_url($meta['image']));
            }
        } else {
            // assume HTML
            $image = $meta['image'];
            $attachment_id = img_html_to_post_id($image, $matched_html);
            if ($attachment_id && $matched_html) {
                $image = str_replace($matched_html, wp_get_attachment_image($attachment_id, $attached_size), $image);
            }
        }
        if (false === strpos($image, '<a ')) {
            $post->format_content[$cache_key] = sprintf($link_fmt, $image);
        } else {
            $post->format_content[$cache_key] = $image;
        }
        return $post->format_content[$cache_key];
    }
    $medias = get_attached_images($post->ID);
    if (!empty($medias)) {
        $media = reset($medias);
        $sizes = get_intermediate_image_sizes();
        $sizes[] = 'full';
        // Add original image source.
        $urls = array();
        foreach ($sizes as $size) {
            $image = wp_get_attachment_image_src($media->ID, $size);
            if ($image) {
                $urls[] = reset($image);
            }
        }
        // Add media permalink.
        $urls[] = get_attachment_link($media->ID);
        $count = 1;
        $content = $post->post_content;
        if (preg_match_all('/' . get_shortcode_regex() . '/s', $content, $matches, PREG_SET_ORDER) && !empty($matches)) {
            foreach ($matches as $shortcode) {
                if ('caption' === $shortcode[2]) {
                    foreach ($urls as $url) {
                        if (strstr($shortcode[0], $url)) {
                            if (!$matched) {
                                $matched = do_shortcode($shortcode[0]);
                            }
                            $content = str_replace($shortcode[0], '', $content, $count);
                        }
                    }
                }
            }
        }
        foreach (array('a', 'img') as $tag) {
            if (preg_match_all('#' . get_tag_regex($tag) . '#', $content, $matches, PREG_SET_ORDER) && !empty($matches)) {
                foreach ($matches as $match) {
                    foreach ($urls as $url) {
                        if (strstr($match[0], $url)) {
                            if (!$matched) {
                                $matched = $match[0];
                            }
                            $content = str_replace($match[0], '', $content, $count);
                        }
                    }
                }
            }
        }
        $post->split_content = $content;
        if (!$matched) {
            $image = wp_get_attachment_image($media->ID, $attached_size);
            $post->format_content[$cache_key] = sprintf($link_fmt, $image);
        } else {
            $post->format_content[$cache_key] = $matched;
            if (!empty($meta['url']) && false === stripos($matched, '<a ')) {
                $post->format_content[$cache_key] = sprintf($link_fmt, $matched);
            }
        }
        return $post->format_content[$cache_key];
    }
    $content = $post->post_content;
    $htmls = get_content_images($content, true, true, 1);
    if (!empty($htmls)) {
        $html = reset($htmls);
        $attachment_id = img_html_to_post_id($html, $matched_html);
        if ($attachment_id && $matched_html) {
            $html = str_replace($matched_html, wp_get_attachment_image($attachment_id, $attached_size), $html);
        }
        $post->split_content = $content;
        $post->format_content[$cache_key] = sprintf($link_fmt, $html);
        return $post->format_content[$cache_key];
    }
}
Пример #3
0
function wp_rp_get_attached_img_url($related_post, $size)
{
    $extracted_image = get_post_meta($related_post->ID, '_wp_rp_image', true);
    if ($extracted_image === 'empty') {
        return false;
    }
    $image_data = wp_rp_get_image_data((int) $extracted_image);
    if (!$image_data && $extracted_image) {
        // image_id in the db is incorrect
        delete_post_meta($related_post->ID, '_wp_rp_image');
    }
    if (!$image_data && has_post_thumbnail($related_post->ID)) {
        $image_data = wp_rp_get_image_data(get_post_thumbnail_id($related_post->ID));
    }
    if (!$image_data && function_exists('get_post_format_meta') && function_exists('img_html_to_post_id')) {
        // WP 3.6 Image post format. Check wp-includes/media.php:get_the_post_format_image for the reference.
        $meta = get_post_format_meta($related_post->ID);
        if (!empty($meta['image'])) {
            if (is_numeric($meta['image'])) {
                $image_id = absint($meta['image']);
            } else {
                $image_id = img_html_to_post_id($meta['image']);
            }
            $image_data = wp_rp_get_image_data($image_id);
        }
    }
    if (!$image_data) {
        wp_rp_extract_images_from_post($related_post);
        return false;
    }
    if ($img_src = wp_rp_get_image_with_exact_size($image_data, $size)) {
        return $img_src['url'];
    }
    wp_rp_extract_images_from_post($related_post, $image_data['id']);
    return false;
}