PHP amt_get_site_description函数代码示例

/**
 * Generates basic metadata for the head area.
 *
 */
function amt_add_basic_metadata_head($post, $attachments, $embedded_media, $options)
{
    $do_description = $options["auto_description"] == "1" ? true : false;
    $do_keywords = $options["auto_keywords"] == "1" ? true : false;
    $do_noodp_description = $options["noodp_description"] == "1" ? true : false;
    // Array to store metadata
    $metadata_arr = array();
    // Robots Meta Tag.
    $robots_content = '';
    if ($do_noodp_description && (is_front_page() || is_singular())) {
        // Add NOODP on posts and pages
        $robots_content = 'NOODP,NOYDIR';
        // Allow filtering of the robots meta tag content.
        $robots_content = apply_filters('amt_robots_data', $robots_content);
    }
    // Add a robots meta tag if its content is not empty.
    if (!empty($robots_content)) {
        $metadata_arr[] = '<meta name="robots" content="' . $robots_content . '" />';
    }
    // hreflang link element
    if ($options['generate_hreflang_links'] == '1') {
        if (is_singular()) {
            $locale = amt_get_language_content($options, $post);
            $hreflang = amt_get_the_hreflang($locale, $options);
            $hreflang_url = amt_get_permalink_for_multipage($post);
        } else {
            $locale = amt_get_language_site($options);
            $hreflang = amt_get_the_hreflang($locale, $options);
            $hreflang_url = '';
            if (amt_is_default_front_page()) {
                $hreflang_url = trailingslashit(get_bloginfo('url'));
            } elseif (is_category() || is_tag() || is_tax()) {
                // $post is a term object
                $hreflang_url = get_term_link($post);
            } elseif (is_author()) {
                // $post is an author object
                $hreflang_url = get_author_posts_url($post->ID);
            } elseif (is_year()) {
                $archive_year = get_the_time('Y');
                $hreflang_url = get_year_link($archive_year);
            } elseif (is_month()) {
                $archive_year = get_the_time('Y');
                $archive_month = get_the_time('m');
                $hreflang_url = get_month_link($archive_year, $archive_month);
            } elseif (is_day()) {
                $archive_year = get_the_time('Y');
                $archive_month = get_the_time('m');
                $archive_day = get_the_time('d');
                $hreflang_url = get_day_link($archive_year, $archive_month, $archive_day);
            }
            // If paged information is available
            if (is_paged()) {
                //$hreflang_url = trailingslashit( $hreflang_url ) . get_query_var('paged') . '/';
                $hreflang_url = get_pagenum_link(get_query_var('paged'));
            }
        }
        // hreflang links array
        $hreflang_arr = array();
        // Add link element
        if (!empty($hreflang) && !empty($hreflang_url)) {
            $hreflang_arr[] = '<link rel="alternate" hreflang="' . esc_attr($hreflang) . '" href="' . esc_url_raw($hreflang_url) . '" />';
        }
        // Allow filtering of the hreflang array
        $hreflang_arr = apply_filters('amt_hreflang_links', $hreflang_arr, $hreflang, $hreflang_url);
        // Add to to metadata array
        foreach ($hreflang_arr as $hreflang_link) {
            $metadata_arr[] = $hreflang_link;
        }
    }
    // Basic Meta Tags
    // Default front page displaying latest posts
    if (amt_is_default_front_page()) {
        // Description and Keywords from the Add-Meta-Tags settings override
        // default behaviour.
        // Description
        if ($do_description) {
            // Use the site description from the Add-Meta-Tags settings.
            // Fall back to the blog description.
            $site_description = amt_get_site_description($options);
            if (empty($site_description)) {
                // Alternatively, use the blog description
                // Here we sanitize the provided description for safety
                $site_description = sanitize_text_field(amt_sanitize_description(get_bloginfo('description')));
            }
            // If we have a description, use it in the description meta-tag of the front page
            if (!empty($site_description)) {
                // Note: Contains multipage information through amt_process_paged()
                $metadata_arr[] = '<meta name="description" content="' . esc_attr(amt_process_paged($site_description)) . '" />';
            }
        }
        // Keywords
        if ($do_keywords) {
            // Use the site keywords from the Add-Meta-Tags settings.
            // Fall back to the blog categories.
            $site_keywords = amt_get_site_keywords($options);
            if (empty($site_keywords)) {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        
                */
        print '
            <tr valign="top">
            <th scope="row">' . __('Front Page Metadata', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Front Page Metadata', 'add-meta-tags') . '</span></legend>
                ' . __('It appears that you use static pages on the <em>front page</em> and the <em>latest posts page</em> of this web site. Please visit the editing panel of these pages and set the <code>description</code> and the <code>keywords</code> meta tags in the relevant Metadata box.', 'add-meta-tags') . '
                ';
        print '<ul>';
        $front_page_id = get_option('page_on_front');
        if (intval($front_page_id) > 0) {
            printf('<li>&raquo; ' . __('Edit the <a href="%s">front page</a>', 'add-meta-tags') . '</li>', get_edit_post_link(intval($front_page_id)));
        }
        $posts_page_id = get_option('page_for_posts');
        if (intval($posts_page_id) > 0) {
            printf('<li>&raquo; ' . __('Edit the <a href="%s">posts page</a>', 'add-meta-tags') . '</li>', get_edit_post_link(intval($posts_page_id)));
        }
        print '</ul>';
        print '
            </fieldset>
            </td>
            </tr>
        ';
    } else {
        print '
            <tr valign="top">
            <th scope="row">' . __('Front Page Description', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Front Page Description', 'add-meta-tags') . '</span></legend>
                
                <textarea name="site_description" id="site_description" cols="100" rows="2" class="code">' . esc_attr(stripslashes(amt_get_site_description($options))) . '</textarea>
                <br />
                <label for="site_description">
                    ' . __('Enter a short description of your web site.', 'add-meta-tags') . '
                </label>
                <br />
            </fieldset>
            </td>
            </tr>

            <tr valign="top">
            <th scope="row">' . __('Front Page Keywords', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Front Page Keywords', 'add-meta-tags') . '</span></legend>
                
                <textarea name="site_keywords" id="site_keywords" cols="100" rows="2" class="code">' . esc_attr(stripslashes(amt_get_site_keywords($options))) . '</textarea>
                <br />
                <label for="site_keywords">' . __('Enter a comma-delimited list of keywords for your web site.', 'add-meta-tags') . '</label>
                <br />
            </fieldset>
            </td>
            </tr>
        ';
    }
    print '
            <tr valign="top">
            <th scope="row">' . __('Global Keywords', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Global Keywords', 'add-meta-tags') . '</span></legend>
                
                <textarea name="global_keywords" id="global_keywords" cols="100" rows="2" class="code">' . esc_attr(stripslashes(amt_get_site_global_keywords($options))) . '</textarea>

//.........这里部分代码省略.........
        
                */
        print '
            <tr valign="top">
            <th scope="row">' . __('Front Page Metadata', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Front Page Metadata', 'add-meta-tags') . '</span></legend>
                ' . __('It appears that you use static pages on the <em>front page</em> and the <em>latest posts page</em> of this web site. Please visit the editing panel of these pages and set the <code>description</code> and the <code>keywords</code> meta tags in the relevant Metadata box.', 'add-meta-tags') . '
                ';
        print '<ul>';
        $front_page_id = get_option('page_on_front');
        if (intval($front_page_id) > 0) {
            printf('<li>&raquo; ' . __('Edit the <a href="%s">front page</a>', 'add-meta-tags') . '</li>', get_edit_post_link(intval($front_page_id)));
        }
        $posts_page_id = get_option('page_for_posts');
        if (intval($posts_page_id) > 0) {
            printf('<li>&raquo; ' . __('Edit the <a href="%s">posts page</a>', 'add-meta-tags') . '</li>', get_edit_post_link(intval($posts_page_id)));
        }
        print '</ul>';
        print '
            </fieldset>
            </td>
            </tr>
        ';
    } else {
        print '
            <tr valign="top">
            <th scope="row">' . __('Front Page Description', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Front Page Description', 'add-meta-tags') . '</span></legend>
                
                <textarea name="site_description" id="site_description" cols="100" rows="2" class="code">' . esc_attr(stripslashes(amt_get_site_description($options))) . '</textarea>
                <br />
                <label for="site_description">
                    ' . __('Enter a short description of your blog (150-250 characters).', 'add-meta-tags') . '
                </label>
                <br />
            </fieldset>
            </td>
            </tr>

            <tr valign="top">
            <th scope="row">' . __('Front Page Keywords', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Front Page Keywords', 'add-meta-tags') . '</span></legend>
                
                <textarea name="site_keywords" id="site_keywords" cols="100" rows="2" class="code">' . esc_attr(stripslashes(amt_get_site_keywords($options))) . '</textarea>
                <br />
                <label for="site_keywords">' . __('Enter a comma-delimited list of keywords for your blog.', 'add-meta-tags') . '</label>
                <br />
            </fieldset>
            </td>
            </tr>
        ';
    }
    print '
            <tr valign="top">
            <th scope="row">' . __('Global Keywords', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Global Keywords', 'add-meta-tags') . '</span></legend>
                
                <textarea name="global_keywords" id="global_keywords" cols="100" rows="2" class="code">' . esc_attr(stripslashes(amt_get_site_global_keywords($options))) . '</textarea>

/**
 * Return an array of Schema.org metatags suitable for the publisher object of
 * the content. Accepts the $post object as argument.
 */
function amt_get_jsonld_schemaorg_publisher_array($options, $author_id = null)
{
    $metadata_arr = array();
    // Schema.org type
    $metadata_arr['@type'] = 'Organization';
    // name
    $metadata_arr['name'] = esc_attr(get_bloginfo('name'));
    // description
    // First use the site description from the Add-Meta-Tags settings
    $site_description = amt_get_site_description($options);
    if (empty($site_description)) {
        // Alternatively, use the blog description
        // Here we sanitize the provided description for safety
        $site_description = sanitize_text_field(amt_sanitize_description(get_bloginfo('description')));
    }
    if (!empty($site_description)) {
        $metadata_arr['description'] = esc_attr($site_description);
    }
    // logo
    $image_data = amt_get_default_image_data();
    if (!empty($image_data)) {
        $image_size = apply_filters('amt_image_size_content', 'full');
        $image_meta_array = amt_get_jsonld_schemaorg_image_array($options, $image_data, $size = $image_size);
        if (!empty($image_meta_array)) {
            $metadata_arr['logo'] = array();
            $logo_obj = array();
            // Type
            $logo_obj['@type'] = 'ImageObject';
            // name (title)
            $logo_obj['name'] = esc_attr(get_bloginfo('name')) . ' ' . __('logo', 'add-meta-tags');
            // caption
            //$logo_obj['caption'] = esc_attr( rtrim(get_bloginfo('description'), '.') ) . '.';
            // alt
            $logo_obj['text'] = esc_attr(get_bloginfo('name')) . ' ' . __('logo', 'add-meta-tags');
            // Image URL & attributes
            $logo_obj = array_merge($logo_obj, $image_meta_array);
            // URL (links to web page containing the image)
            //$logo_obj['url'] = esc_url( $options["default_image_url"] );
            // thumbnail url
            //$logo_obj['thumbnailUrl'] = esc_url( ... );
            // main image
            //$logo_obj['contentUrl'] = esc_url( $options["default_image_url"] );
            //if ( apply_filters( 'amt_extended_image_tags', true ) ) {
            //    $metadata_arr[] = '<meta itemprop="width" content="' . esc_attr( $embedded_item['width'] ) . '" />';
            //    $metadata_arr[] = '<meta itemprop="height" content="' . esc_attr( $embedded_item['height'] ) . '" />';
            //    $metadata_arr[] = '<meta itemprop="encodingFormat" content="image/jpeg" />';
            //}
            // Add logo entity to metadata
            $metadata_arr['logo'][] = $logo_obj;
        }
    }
    ////if ( ! empty($options["default_image_url"]) ) {
    ////$metadata_arr['logo'] = array();
    ////$logo_obj = array();
    // Type
    ////$logo_obj['@type'] = 'ImageObject';
    // name (title)
    ////$logo_obj['name'] = esc_attr( get_bloginfo('name') ) . ' ' . __('logo', 'add-meta-tags');
    // caption
    //$logo_obj['caption'] = esc_attr( rtrim(get_bloginfo('description'), '.') ) . '.';
    // alt
    ////$logo_obj['text'] = esc_attr( get_bloginfo('name') ) . ' ' . __('logo', 'add-meta-tags');
    // URL (links to web page containing the image)
    ////$logo_obj['url'] = esc_url( $options["default_image_url"] );
    // thumbnail url
    //$logo_obj['thumbnailUrl'] = esc_url( ... );
    // main image
    ////$logo_obj['contentUrl'] = esc_url( $options["default_image_url"] );
    //if ( apply_filters( 'amt_extended_image_tags', true ) ) {
    //    $metadata_arr[] = '<meta itemprop="width" content="' . esc_attr( $embedded_item['width'] ) . '" />';
    //    $metadata_arr[] = '<meta itemprop="height" content="' . esc_attr( $embedded_item['height'] ) . '" />';
    //    $metadata_arr[] = '<meta itemprop="encodingFormat" content="image/jpeg" />';
    //}
    // Add logo entity to metadata
    ////$metadata_arr['logo'][] = $logo_obj;
    ////}
    // url
    // The blog url is used by default. Google+, Facebook and Twitter profile URLs are added as sameAs.
    $metadata_arr['url'] = esc_url_raw(trailingslashit(get_bloginfo('url')));
    // sameAs
    $metadata_arr['sameAs'] = array();
    // Social Profile Links are added as sameAs properties
    // By default, those of the Publisher Settings  are used.
    // WARNING: Publisher profile URLs from the user profile page are now deprecated.
    // Google+ Publisher
    if (!empty($options['social_main_googleplus_publisher_profile_url'])) {
        $metadata_arr['sameAs'][] = esc_url_raw($options['social_main_googleplus_publisher_profile_url'], array('http', 'https'));
    }
    // Facebook
    if (!empty($options['social_main_facebook_publisher_profile_url'])) {
        $metadata_arr['sameAs'][] = esc_url_raw($options['social_main_facebook_publisher_profile_url'], array('http', 'https'));
    }
    // Twitter
    if (!empty($options['social_main_twitter_publisher_username'])) {
        $metadata_arr['sameAs'][] = 'https://twitter.com/' . esc_attr($options['social_main_twitter_publisher_username']);
    }
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        
                */
        print '
            <tr valign="top">
            <th scope="row">' . __('Front Page Metadata', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Front Page Metadata', 'add-meta-tags') . '</span></legend>
                ' . __('It appears that you use static pages on the <em>front page</em> and the <em>latest posts page</em> of this web site. Please visit the editing panel of these pages and set the <code>description</code> and the <code>keywords</code> meta tags in the relevant Metadata box.', 'add-meta-tags') . '
                ';
        print '<ul>';
        $front_page_id = get_option('page_on_front');
        if (intval($front_page_id) > 0) {
            printf('<li>&raquo; ' . __('Edit the <a href="%s">front page</a>', 'add-meta-tags') . '</li>', get_edit_post_link(intval($front_page_id)));
        }
        $posts_page_id = get_option('page_for_posts');
        if (intval($posts_page_id) > 0) {
            printf('<li>&raquo; ' . __('Edit the <a href="%s">posts page</a>', 'add-meta-tags') . '</li>', get_edit_post_link(intval($posts_page_id)));
        }
        print '</ul>';
        print '
            </fieldset>
            </td>
            </tr>
        ';
    } else {
        print '
            <tr valign="top">
            <th scope="row">' . __('Front Page Description', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Front Page Description', 'add-meta-tags') . '</span></legend>
                
                <textarea name="site_description" id="site_description" cols="100" rows="2" class="code">' . esc_attr(stripslashes(amt_get_site_description($options))) . '</textarea>
                <br />
                <label for="site_description">
                    ' . __('Enter a short (150-250 characters long) description of your blog. This text will be used in the <em>description</em> and other similar metatags on the <strong>front page</strong>. If this is left empty, then the blog\'s <em>Tagline</em> from the <a href="options-general.php">General Options</a> will be used.', 'add-meta-tags') . '
                </label>
                <br />
            </fieldset>
            </td>
            </tr>

            <tr valign="top">
            <th scope="row">' . __('Front Page Keywords', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Front Page Keywords', 'add-meta-tags') . '</span></legend>
                
                <textarea name="site_keywords" id="site_keywords" cols="100" rows="2" class="code">' . esc_attr(stripslashes(amt_get_site_keywords($options))) . '</textarea>
                <br />
                <label for="site_keywords">' . __('Enter a comma-delimited list of keywords for your blog. These keywords will be used in the <em>keywords</em> meta tag on the <strong>front page</strong>. If this field is left empty, then all of your blog\'s <a href="edit-tags.php?taxonomy=category">categories</a> will be used as keywords for the <em>keywords</em> meta tag.', 'add-meta-tags') . '</label>
                <p><strong>' . __('Example', 'add-meta-tags') . '</strong>: <code>' . __('keyword1, keyword2, keyword3', 'add-meta-tags') . '</code></p>
                <br />
            </fieldset>
            </td>
            </tr>
        ';
    }
    print '
            <tr valign="top">
            <th scope="row">' . __('Global Keywords', 'add-meta-tags') . '</th>
            <td>
            <fieldset>
                <legend class="screen-reader-text"><span>' . __('Global Keywords', 'add-meta-tags') . '</span></legend>
                

/**
 * Generates Opengraph metadata.
 *
 * Currently for:
 * - home page
 * - author archive
 * - content
 */
function amt_add_opengraph_metadata_head($post, $attachments, $embedded_media, $options)
{
    if (apply_filters('amt_exclude_opengraph_metadata', false)) {
        return array();
    }
    $do_auto_opengraph = $options["auto_opengraph"] == "1" ? true : false;
    if (!$do_auto_opengraph) {
        return array();
    }
    $metadata_arr = array();
    // fb:app_id & fb:admins
    // We currently let users add the full meta tags for fb:app_id and fb:admins in the site wide meta tags box.
    // fb:app_id appears everywhere
    //if ( ! empty($options['social_main_facebook_app_id']) ) {
    //    $metadata_arr[] = '<meta property="fb:app_id" content="' . esc_attr( $options['social_main_facebook_app_id'] ) . '" />';
    //}
    // fb:admins appear everywhere
    //if ( ! empty($options['social_main_facebook_admins']) ) {
    //    $fb_admins_arr = explode(',', $options['social_main_facebook_admins']);
    //    foreach ( $fb_admins_arr as $fb_admin ) {
    //        $metadata_arr[] = '<meta property="fb:admins" content="' . esc_attr( trim($fb_admin) ) . '" />';
    //    }
    //}
    // no publisher meta tag for facebook, unless it is content
    // Custom content override
    if (amt_is_custom($post, $options)) {
        // Return metadata with:
        // add_filter( 'amt_custom_metadata_opengraph', 'my_function', 10, 5 );
        // Return an array of meta tags. Array item format: ['key_can_be_whatever'] = '<meta name="foo" content="bar" />'
        $metadata_arr = apply_filters('amt_custom_metadata_opengraph', $metadata_arr, $post, $options, $attachments, $embedded_media);
        // Default front page displaying the latest posts
    } elseif (amt_is_default_front_page()) {
        // Type
        $metadata_arr[] = '<meta property="og:type" content="website" />';
        // Site Name
        $metadata_arr[] = '<meta property="og:site_name" content="' . esc_attr(get_bloginfo('name')) . '" />';
        // Title - Note: Contains multipage information
        $metadata_arr['og:title'] = '<meta property="og:title" content="' . esc_attr(amt_get_title_for_metadata($options, $post)) . '" />';
        // URL - Note: different method to get the permalink on paged archives
        if (is_paged()) {
            $metadata_arr[] = '<meta property="og:url" content="' . esc_url_raw(get_pagenum_link(get_query_var('paged'))) . '" />';
        } else {
            $metadata_arr[] = '<meta property="og:url" content="' . esc_url_raw(trailingslashit(get_bloginfo('url'))) . '" />';
        }
        // Site description - Note: Contains multipage information through amt_process_paged()
        $site_description = amt_get_site_description($options);
        if (empty($site_description)) {
            $site_description = get_bloginfo('description');
        }
        if (!empty($site_description)) {
            $metadata_arr[] = '<meta property="og:description" content="' . esc_attr(amt_process_paged($site_description)) . '" />';
        }
        // Locale
        $metadata_arr[] = '<meta property="og:locale" content="' . esc_attr(str_replace('-', '_', amt_get_language_site($options))) . '" />';
        // Site Image
        // Use the default image, if one has been set.
        $image_data = amt_get_default_image_data();
        if (!empty($image_data)) {
            $image_size = apply_filters('amt_image_size_index', 'full');
            $image_meta_tags = amt_get_opengraph_image_metatags($options, $image_data, $size = $image_size);
            if (!empty($image_meta_tags)) {
                $metadata_arr = array_merge($metadata_arr, $image_meta_tags);
            }
        }
        // Front page using a static page
        // Note: might also contain a listing of posts which may be paged, so use amt_process_paged()
    } elseif (amt_is_static_front_page()) {
        // Type
        if ($options['author_profile_source'] == 'frontpage') {
            // The front page is treated as the profile page.
            $metadata_arr[] = '<meta property="og:type" content="profile" />';
        } else {
            $metadata_arr[] = '<meta property="og:type" content="website" />';
        }
        // Site Name
        $metadata_arr[] = '<meta property="og:site_name" content="' . esc_attr(get_bloginfo('name')) . '" />';
        // Title - Note: Contains multipage information
        $metadata_arr['og:title'] = '<meta property="og:title" content="' . esc_attr(amt_get_title_for_metadata($options, $post)) . '" />';
        // URL - Note: different method to get the permalink on paged archives
        if (is_paged()) {
            $metadata_arr[] = '<meta property="og:url" content="' . esc_url_raw(get_pagenum_link(get_query_var('paged'))) . '" />';
        } else {
            $metadata_arr[] = '<meta property="og:url" content="' . esc_url_raw(trailingslashit(get_bloginfo('url'))) . '" />';
        }
        // Site Description - Note: Contains multipage information through amt_process_paged()
        $content_desc = amt_get_content_description($post);
        if (!empty($content_desc)) {
            // Use the pages custom description
            $metadata_arr[] = '<meta property="og:description" content="' . esc_attr(amt_process_paged($content_desc)) . '" />';
        } elseif (get_bloginfo('description')) {
            // Alternatively use the blog's description
            $metadata_arr[] = '<meta property="og:description" content="' . esc_attr(amt_process_paged(get_bloginfo('description'))) . '" />';
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        $hreflang_arr = array();
        // Add link element
        if (!empty($hreflang) && !empty($hreflang_url)) {
            $hreflang_arr[] = '<link rel="alternate" hreflang="' . esc_attr($hreflang) . '" href="' . esc_url_raw($hreflang_url) . '" />';
        }
        // Add extra hreflang links that have been collected from the full meta tags boxes
        if (!empty($hreflang_links_arr)) {
            $hreflang_arr = array_merge($hreflang_arr, $hreflang_links_arr);
        }
        // Allow filtering of the hreflang array
        $hreflang_arr = apply_filters('amt_hreflang_links', $hreflang_arr);
        // Add to to metadata array
        foreach ($hreflang_arr as $hreflang_link) {
            if (preg_match('# hreflang="([^"]+)" #', $hreflang_link, $matches)) {
                $metadata_arr['basic:hreflang:' . $matches[1]] = $hreflang_link;
            }
        }
    }
    // Basic Meta Tags
    // Custom content override
    if (amt_is_custom($post, $options)) {
        // Return metadata with:
        // add_filter( 'amt_custom_metadata_basic', 'my_function', 10, 5 );
        // Return an array of meta tags. Array item format: ['key_can_be_whatever'] = '<meta name="foo" content="bar" />'
        $metadata_arr = apply_filters('amt_custom_metadata_basic', $metadata_arr, $post, $options, $attachments, $embedded_media);
        // Default front page displaying latest posts
    } elseif (amt_is_default_front_page()) {
        // Description and Keywords from the Add-Meta-Tags settings override
        // default behaviour.
        // Description
        if ($do_description) {
            // Use the site description from the Add-Meta-Tags settings.
            // Fall back to the blog description.
            $site_description = amt_get_site_description($options);
            if (empty($site_description)) {
                // Alternatively, use the blog description
                // Here we sanitize the provided description for safety
                $site_description = sanitize_text_field(amt_sanitize_description(get_bloginfo('description')));
            }
            // If we have a description, use it in the description meta-tag of the front page
            if (!empty($site_description)) {
                // Note: Contains multipage information through amt_process_paged()
                $metadata_arr['basic:description'] = '<meta name="description" content="' . esc_attr(amt_process_paged($site_description)) . '" />';
            }
        }
        // Keywords
        if ($do_keywords) {
            // Use the site keywords from the Add-Meta-Tags settings.
            // Fall back to the blog categories.
            $site_keywords = amt_get_site_keywords($options);
            if (empty($site_keywords)) {
                // Alternatively, use the blog categories
                // Here we sanitize the provided keywords for safety
                $site_keywords = sanitize_text_field(amt_sanitize_keywords(amt_get_all_categories()));
            }
            // If we have keywords, use them in the keywords meta-tag of the front page
            if (!empty($site_keywords)) {
                $metadata_arr['basic:keywords'] = '<meta name="keywords" content="' . esc_attr($site_keywords) . '" />';
            }
        }
        // Attachments
    } elseif (is_attachment()) {
        // has to be before is_singular() since is_singular() is true for attachments.
        // Description
        if ($do_description) {
            $description = amt_get_content_description($post, $auto = $do_description);

/**
 * Generate Twitter Cards metadata for the content pages.
 */
function amt_add_twitter_cards_metadata_head($post, $attachments, $embedded_media, $options)
{
    if (apply_filters('amt_exclude_twitter_cards_metadata', false)) {
        return array();
    }
    $do_auto_twitter = $options["auto_twitter"] == "1" ? true : false;
    if (!$do_auto_twitter) {
        return array();
    }
    $metadata_arr = array();
    // Custom content override
    if (amt_is_custom($post, $options)) {
        // Return metadata with:
        // add_filter( 'amt_custom_metadata_twitter_cards', 'my_function', 10, 5 );
        // Return an array of meta tags. Array item format: ['key_can_be_whatever'] = '<meta name="foo" content="bar" />'
        $metadata_arr = apply_filters('amt_custom_metadata_twitter_cards', $metadata_arr, $post, $options, $attachments, $embedded_media);
        return $metadata_arr;
    }
    // Front page and archives
    if (!is_singular() && !amt_is_static_home() && !amt_is_static_front_page() || amt_is_default_front_page() || is_category() || is_tag() || is_tax() || is_post_type_archive()) {
        // Note1: is_front_page() is used for the case in which a static page is used as the front page.
        // Note2: product groups should pass the is_tax() validation, so no need for
        // amt_is_product_group(). We do not support other product groups.
        // Default front page containing latest posts
        // Add a basic Twitter Card to the default home page that contains latest posts.
        // If static pages are used as the front page or the latest-posts page,
        // then they are treated as content and are processed below.
        if (amt_is_default_front_page()) {
            // Generate the card only if a publisher username has been set in the publisher settings
            if (!empty($options['social_main_twitter_publisher_username'])) {
                // Type
                $metadata_arr[] = '<meta name="twitter:card" content="' . amt_get_default_twitter_card_type($options) . '" />';
                // Creator
                $metadata_arr[] = '<meta name="twitter:creator" content="@' . esc_attr($options['social_main_twitter_publisher_username']) . '" />';
                // Publisher
                $metadata_arr[] = '<meta name="twitter:site" content="@' . esc_attr($options['social_main_twitter_publisher_username']) . '" />';
                // Title
                // Note: Contains multipage information
                $metadata_arr['twitter:title'] = '<meta name="twitter:title" content="' . esc_attr(amt_get_title_for_metadata($options, $post)) . '" />';
                // Site description - Note: Contains multipage information through amt_process_paged()
                $site_description = amt_get_site_description($options);
                if (empty($site_description)) {
                    $site_description = get_bloginfo('description');
                }
                if (!empty($site_description)) {
                    $metadata_arr[] = '<meta name="twitter:description" content="' . esc_attr(amt_process_paged($site_description)) . '" />';
                }
                // Image. Use the default image (if set).
                $image_data = amt_get_default_image_data();
                if (!empty($image_data)) {
                    $image_size = apply_filters('amt_image_size_index', 'full');
                    $image_meta_tags = amt_get_twitter_cards_image_metatags($options, $image_data, $size = $image_size);
                    if (!empty($image_meta_tags)) {
                        $metadata_arr = array_merge($metadata_arr, $image_meta_tags);
                    }
                }
                //$image_url = apply_filters( 'amt_twitter_cards_image_url_index', $options["default_image_url"] );
                //$metadata_arr[] = '<meta name="twitter:image" content="' . esc_url_raw( $image_url ) . '" />';
            }
            // Taxonomy archives
            // Note: product groups should pass the is_tax() validation, so no need for
            // amt_is_product_group(). We do not support other product groups.
        } elseif (is_category() || is_tag() || is_tax()) {
            // Taxonomy term object.
            // When viewing taxonomy archives, the $post object is the taxonomy term object. Check with: var_dump($post);
            $tax_term_object = $post;
            //var_dump($tax_term_object);
            // Generate the card only if a publisher username has been set in the publisher settings
            if (!empty($options['social_main_twitter_publisher_username'])) {
                // Type
                $metadata_arr[] = '<meta name="twitter:card" content="' . amt_get_default_twitter_card_type($options) . '" />';
                // Creator
                $metadata_arr[] = '<meta name="twitter:creator" content="@' . esc_attr($options['social_main_twitter_publisher_username']) . '" />';
                // Publisher
                $metadata_arr[] = '<meta name="twitter:site" content="@' . esc_attr($options['social_main_twitter_publisher_username']) . '" />';
                // Title
                // Note: Contains multipage information
                $metadata_arr['twitter:title'] = '<meta name="twitter:title" content="' . esc_attr(amt_get_title_for_metadata($options, $post)) . '" />';
                // Description
                // If set, the description of the custom taxonomy term is used in the 'description' metatag.
                // Otherwise, a generic description is used.
                // Here we sanitize the provided description for safety
                $description_content = sanitize_text_field(amt_sanitize_description(term_description($tax_term_object->term_id, $tax_term_object->taxonomy)));
                // Note: Contains multipage information through amt_process_paged()
                if (empty($description_content)) {
                    // Add a filtered generic description.
                    // Filter name
                    if (is_category()) {
                        $generic_description = apply_filters('amt_generic_description_category_archive', __('Content filed under the %s category.', 'add-meta-tags'));
                    } elseif (is_tag()) {
                        $generic_description = apply_filters('amt_generic_description_tag_archive', __('Content tagged with %s.', 'add-meta-tags'));
                    } elseif (is_tax()) {
                        // Construct the filter name. Template: ``amt_generic_description_TAXONOMYSLUG_archive``
                        $taxonomy_description_filter_name = sprintf('amt_generic_description_%s_archive', $tax_term_object->taxonomy);
                        // var_dump($taxonomy_description_filter_name);
                        // Generic description
                        $generic_description = apply_filters($taxonomy_description_filter_name, __('Content filed under the %s taxonomy.', 'add-meta-tags'));
//.........这里部分代码省略.........

/**
 * Return an array of Schema.org metatags suitable for the publisher object of
 * the content. Accepts the $post object as argument.
 */
function amt_get_jsonld_schemaorg_publisher_array($options, $author_id = null)
{
    $metadata_arr = array();
    // Schema.org type
    $metadata_arr['@type'] = 'Organization';
    // name
    $metadata_arr['name'] = esc_attr(get_bloginfo('name'));
    // description
    // First use the site description from the Add-Meta-Tags settings
    $site_description = amt_get_site_description($options);
    if (empty($site_description)) {
        // Alternatively, use the blog description
        // Here we sanitize the provided description for safety
        $site_description = sanitize_text_field(amt_sanitize_description(get_bloginfo('description')));
    }
    if (!empty($site_description)) {
        $metadata_arr['description'] = esc_attr($site_description);
    }
    // logo
    if (!empty($options["default_image_url"])) {
        $metadata_arr['logo'] = esc_url_raw($options["default_image_url"]);
    }
    // url
    // The blog url is used by default. Google+, Facebook and Twitter profile URLs are added as sameAs.
    $metadata_arr['url'] = esc_url_raw(trailingslashit(get_bloginfo('url')));
    // sameAs
    $metadata_arr['sameAs'] = array();
    // Social Profile Links are added as sameAs properties
    // By default, those of the Publisher Settings  are used.
    // WARNING: Publisher profile URLs from the user profile page are now deprecated.
    // Google+ Publisher
    if (!empty($options['social_main_googleplus_publisher_profile_url'])) {
        $metadata_arr['sameAs'][] = esc_url_raw($options['social_main_googleplus_publisher_profile_url'], array('http', 'https'));
    }
    // Facebook
    if (!empty($options['social_main_facebook_publisher_profile_url'])) {
        $metadata_arr['sameAs'][] = esc_url_raw($options['social_main_facebook_publisher_profile_url'], array('http', 'https'));
    }
    // Twitter
    if (!empty($options['social_main_twitter_publisher_username'])) {
        $metadata_arr['sameAs'][] = 'https://twitter.com/' . esc_attr($options['social_main_twitter_publisher_username']);
    }
    // Allow filtering of the Publisher meta tags
    $metadata_arr = apply_filters('amt_jsonld_schemaorg_publisher_extra', $metadata_arr);
    return $metadata_arr;
}