PHP category_description函数代码示例

/**
 * Output description
 *
 * @return string $description
 */
function calibrefx_meta_description()
{
    global $post, $wp_query, $wp_locale;
    $desc = '';
    if (is_home() || is_front_page()) {
        $desc = get_bloginfo('description');
    } elseif (is_singular()) {
        $desc = calibrefx_truncate_phrase($post->post_content, calibrefx_get_option('content_archive_limit'));
    } elseif (is_archive()) {
        if (is_category()) {
            $desc = category_description(get_query_var('cat'));
        } elseif (is_tax()) {
            $term = $wp_query->get_queried_object();
            $desc = term_description($term->term_id, $term->taxonomy);
        } elseif (is_year()) {
            $desc = __('All posts in ', 'calibrefx') . get_query_var('year');
        } elseif (is_month()) {
            $desc = __('All Posts in ', 'calibrefx') . $wp_locale->get_month(get_query_var('monthnum')) . ' ' . get_query_var('year');
        } elseif (is_day()) {
            $desc = __('All Posts in ', 'calibrefx') . get_query_var('day') . ' ' . $wp_locale->get_month(get_query_var('monthnum')) . ' ' . get_query_var('year');
        } elseif (is_author()) {
            $desc = get_user_meta($wp_query->queried_object->ID, 'intro_text', true);
        } elseif (is_post_type_archive()) {
            $post_type = $wp_query->get_queried_object();
            $desc = $post_type->description;
        }
    } elseif (is_404()) {
        $desc = __('Page not found ', 'calibrefx');
    }
    $desc = str_replace(array('<p>', '</p>'), array('', ''), $desc);
    $desc = htmlentities($desc);
    return apply_filters('calibrefx_meta_description', $desc);
}

function description()
{
    if (is_home() || is_front_page()) {
        echo trim(of_get_option('site_description'));
    } elseif (is_category()) {
        $description = strip_tags(category_description());
        echo trim($description);
    } elseif (is_single()) {
        if (get_the_excerpt()) {
            echo get_the_excerpt();
        } else {
            global $post;
            $description = trim(str_replace(array("\r\n", "\r", "\n", "　", " "), " ", str_replace("\"", "'", strip_tags($post->post_content))));
            echo mb_substr($description, 0, 220, 'utf-8');
        }
    } elseif (is_search()) {
        echo '“';
        the_search_query();
        echo '”为您找到结果 ';
        global $wp_query;
        echo $wp_query->found_posts;
        echo ' 个';
    } elseif (is_tag()) {
        $description = strip_tags(tag_description());
        echo trim($description);
    } else {
        $description = strip_tags(term_description());
        echo trim($description);
    }
}

 public function register_meta_tags()
 {
     add_action('wp_head', function () {
         if (is_singular() && false == post_password_required()) {
             if ('' == ($description = get_the_excerpt())) {
                 $description = wp_trim_words(esc_html(strip_shortcodes(get_the_content())), 20, '...');
             }
         } elseif (is_category() && '' != category_description()) {
             $description = category_description();
         } elseif (is_tag() && '' != term_description()) {
             $description = term_description();
         } else {
             $description = get_bloginfo('description');
         }
         $description = esc_attr($description);
         echo "<meta name=\"description\" content=\"{$description}\" />\n";
         echo "<meta name=\"og:description\" content=\"{$description}\" />\n";
         if (is_singular() && false == post_password_required() && has_post_thumbnail()) {
             list($image, $width, $height) = wp_get_attachment_image_src(get_post_thumbnail_id(), 'facebook');
         } else {
             $image = apply_filters('', $this->get_theme_assets_url() . '/images/logo-fb.png');
         }
         $image = esc_url($image);
         echo "<meta name=\"og:image\" content=\"{$image}\" />\n";
         echo "<meta name=\"twitter:image\" content=\"{$image}\" />\n";
     });
 }

 function get_desc()
 {
     if (is_404()) {
         $desc = __("Sorry, but the page you were trying to view does not exist. \n\nIt looks like this was the result of either a mistyped address or an out-of-date link.", 'skrollr');
     } else {
         if (is_category()) {
             $desc = category_description();
         } else {
             if (is_tag()) {
                 $desc = tag_description();
             } else {
                 if (is_search()) {
                     global $wp_query;
                     if ($wp_query->found_posts == 0) {
                         $desc = __('Nothing found', 'skrollr');
                     } else {
                         $desc = sprintf(_n('One post found.', '%d posts found', $wp_query->found_posts, 'skrollr'), $wp_query->found_posts);
                     }
                 } else {
                     $desc = get_theme_mod('metadesc');
                 }
             }
         }
     }
     return wpautop(esc_html($desc));
 }

function kkthemes_archive_title()
{
    $tag_style = '';
    $header_image = get_header_image();
    if (!empty($header_image)) {
        $tag_style = 'background-image: url(' . esc_url($header_image) . ');';
    }
    ?>
	<div class="uk-panel uk-panel-box uk-panel-space uk-text-large uk-text-center tm-branded-panel uk-margin-large-bottom" style="<?php 
    echo $tag_style;
    ?>
">
		<h1 class="uk-article-title" itemprop="headline">
			<?php 
    single_cat_title('') || post_type_archive_title('');
    ?>
		</h1>
		<?php 
    if (is_featured_item()) {
        $post_type = get_post_type();
        echo '<p>' . get_post_type_object($post_type)->description . '</p>';
    } else {
        echo category_description();
    }
    ?>
	</div>
<?php 
}

function lo_description()
{
    global $s, $post;
    $description = '';
    $blog_name = get_bloginfo('name');
    if (is_singular()) {
        $ID = $post->ID;
        $title = $post->post_title;
        $author = $post->post_author;
        $user_info = get_userdata($author);
        $post_author = $user_info->display_name;
        if (!get_post_meta($ID, "meta-description", true)) {
            $description = $title . ' - 作者: ' . $post_author . ',首发于' . $blog_name;
        } else {
            $description = get_post_meta($ID, "meta-description", true);
        }
    } elseif (is_home()) {
        $description = lo_opt('index_description');
    } elseif (is_tag()) {
        $description = single_tag_title('', false) . " - " . trim(strip_tags(tag_description()));
    } elseif (is_category()) {
        $description = single_cat_title('', false) . " - " . trim(strip_tags(category_description()));
    } elseif (is_archive()) {
        $description = $blog_name . "'" . trim(wp_title('', false)) . "'";
    } elseif (is_search()) {
        $description = $blog_name . ": '" . esc_html($s, 1) . "' 的搜索結果";
    } else {
        $description = $blog_name . "'" . trim(wp_title('', false)) . "'";
    }
    $description = mb_substr($description, 0, 220, 'utf-8');
    echo "<meta name=\"description\" content=\"{$description}\">\n";
}

function active_nav_class($classes, $item)
{
    if (is_single() && $item->title == category_description()) {
        $classes[] = "active";
        $classes[] = "current-menu-item";
    }
    return $classes;
}

function sp_get_category_description()
{
    global $post;
    $desc = category_description();
    if (is_object($desc)) {
        return '';
    }
    return strip_tags($desc);
}

function smamo_add_metas()
{
    global $post;
    if ($post) {
        // Billede
        $meta_img = false;
        $image_url = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'large');
        if ($image_url && isset($image_url[0])) {
            $meta_img = $image_url[0];
        }
        if (!$meta_img) {
            $meta_img = smamo_inner_img($post->ID);
        }
        if (!$meta_img || is_home() || is_front_page()) {
            $meta_img = get_header_image();
        }
        // Beskrivelse
        $meta_description = wp_trim_words(wp_strip_all_tags($post->post_excerpt), $num_words = 30, $more = ' ...');
        if (!$meta_description) {
            $meta_description = wp_trim_words(wp_strip_all_tags($post->post_content), $num_words = 30, $more = ' ...');
        }
        if (!$meta_description) {
            if (is_archive() || is_category()) {
                $meta_description = wp_trim_words(wp_strip_all_tags(category_description()), $num_words = 30, $more = ' ...');
            }
        }
        if (!$meta_description || is_home() || is_front_page()) {
            $meta_description = wp_trim_words(get_bloginfo('description'), $num_words = 30, $more = ' ...');
        }
        // Link
        $meta_url = get_the_permalink();
        if (!$meta_url || is_home() || is_front_page()) {
            $meta_url = get_bloginfo('url');
        }
        // Type
        $meta_type = 'article';
        if (is_archive()) {
            $meta_type = 'archive';
        } elseif (is_home() || is_front_page()) {
            $meta_type = 'website';
        }
        echo '<meta itemprop="name" content="' . $post->post_title . '">';
        echo '<meta property="og:title" content="' . $post->post_title . '">';
        echo '<meta property="og:site_name" content="' . get_bloginfo('title') . '">';
        if ($meta_description) {
            echo '<meta name="description" content="' . $meta_description . '">';
            echo '<meta itemprop="description" content="' . $meta_description . '">';
            echo '<meta property="og:description" content="' . $meta_description . '">';
        }
        if ($meta_img) {
            echo '<meta itemprop="image" content="' . $meta_img . '">';
            echo '<meta property="og:image" content="' . $meta_img . '">';
        }
        echo '<meta property="og:type" content="' . $meta_type . '">';
        echo '<meta property="og:url" content="' . $meta_url . '">';
    }
}

 public function getResource($pretty = false)
 {
     $hasPart = array();
     while (have_posts()) {
         the_post();
         $hasPart[] = array('@type' => 'BlogPosting', 'headline' => get_the_title(), 'url' => get_the_permalink(), 'datePublished' => get_the_date('Y-m-d'), 'dateModified' => get_the_modified_date('Y-m-d'), 'mainEntityOfPage' => get_the_permalink(), 'author' => $this->getAuthor(), 'publisher' => $this->getPublisher(), 'image' => $this->getImage(), 'keywords' => $this->getTags(), 'commentCount' => get_comments_number(), 'comment' => $this->getComments());
     }
     $this->schema = array('@context' => 'http://schema.org/', '@type' => $this->schemaType, 'headline' => single_cat_title('', false) . " Category", 'description' => category_description(), 'url' => get_category_link(get_query_var('cat')), 'hasPart' => $hasPart);
     return $this->toJson($pretty);
 }

    function gabfire_catNameDesc()
    {
        if (is_category()) {
            ?>
			<section class="row">
				<div class="col-md-12">
					<div class="post-lead">
						<?php 
            if (is_category()) {
                ?>
							<h1><?php 
                single_cat_title();
                ?>
</h1>
							<?php 
                echo category_description();
                ?>
						<?php 
            } else {
                ?>
							<h1 class="post-title"><?php 
                single_tag_title();
                ?>
</h1>
							<?php 
                echo tag_description();
                ?>
						<?php 
            }
            ?>
					</div>
				</div>
		</section><?php 
        } elseif (is_search()) {
            ?>
			<section class="row archive">
				<div class="col-md-12">
					<div class="post-lead">
						<h1><i class='fa fa-search'></i>  <?php 
            echo get_search_query();
            ?>
</h1>
						<?php 
            $search_query = get_search_query();
            ?>
						<p><?php 
            printf(esc_attr__('Search results for %1$s', 'gabfire'), $search_query);
            ?>
</p>
					</div>
				</div>
		</section><?php 
        }
    }

/**
 * Get the tagline for a category.
 *
 * The tagline is parsed from Wordpress's "description" field for categories. It
 * consists of all text found after the first colon in the description. If no
 * colon is found, it returns the whole string. If the given category ID does
 * not exist, it returns an empty string.
 *
 * @param $cat_ID (Int) The category ID for which to get the tagline.
 *
 * @return (String) The tagline for the given category, or the empty string on
 *                  failure.
 */
function category_tagline($cat_ID)
{
    $cat_description = strip_tags(category_description($cat_ID));
    $first_colon_index = strpos($cat_description, "\n");
    // If a colon was found, return the string after that point. If no colon was
    // found, return the whole string.
    if ($first_colon_index !== false) {
        return substr($cat_description, $first_colon_index + 1);
    } else {
        return $cat_description;
    }
}

function the_meta_descr()
{
    global $post;
    if (is_category()) {
        $meta_descr = category_description();
    } else {
        $meta_descr = $post->post_content;
    }
    if (isset($meta_descr)) {
        echo '<meta name="description" content="' . htmlspecialchars(strip_tags($meta_descr)) . '" />' . PHP_EOL;
    }
}

function fifu_cat_add_social_tags()
{
    $url = fifu_cat_get_url();
    $title = single_cat_title('', false);
    $term_id = fifu_cat_get_term_id();
    if ($term_id) {
        $description = wp_strip_all_tags(category_description($term_id));
    }
    if ($url) {
        include 'html/social.html';
    }
}

/**
 * Shows appropriate title for each page
 *
 * @since 1.2
 */
function rolo_pageheader()
{
    if (is_single()) {
        $pagetitle = '<h2 class="page-title">' . __(get_the_term_list($post->ID, 'type', ' ', ', ', ': '), 'rolopress') . __(get_the_title(), 'rolopress') . "</h2>\n";
    } elseif (is_page()) {
        $pagetitle = '<h2 class="page-title page">' . __(get_the_title(), 'rolopress') . "</h2>\n";
    } elseif (is_404()) {
        $pagetitle = '<h2 class="page-title 404">' . __('Not Found', 'rolopress') . "</h2>\n";
    } elseif (is_home()) {
        $pagetitle = '<h2 class="page-title home">' . __('All Items', 'rolopress') . "</h2>\n";
    } elseif (is_search()) {
        $pagetitle = '<h2 class="page-title search">' . __('Search Results for: ', 'rolopress') . '"' . get_search_query() . '"' . "</h2>\n";
    } elseif (is_category()) {
        $current_category = single_cat_title("", false);
        $pagedesc = category_description();
        $pagetitle = '<h2 class="page-title category">' . __('Items Categorized As: ', 'rolopress') . '"' . $current_category . '"' . "</h2>\n";
    } elseif (is_tag()) {
        $current_tag = single_tag_title("", false);
        $pagedesc = tag_description();
        $pagetitle = '<h2 class="page-title tag">' . __('Items Tagged As: ', 'rolopress') . '"' . $current_tag . '"' . "</h2>\n";
    } elseif (is_tax()) {
        global $term;
        $term = get_term_by('slug', get_query_var('term'), get_query_var('taxonomy'));
        $pagedesc = $term->description;
        $pagetitle = '<h2 class="page-title taxonomy">' . __($term->name, 'rolopress') . __(' List', 'rolopress') . "</h2>\n";
    } elseif (is_author()) {
        global $wp_query;
        $curauth = $wp_query->get_queried_object();
        // get the authors name
        $pagetitle = '<h2 class="page-title author">' . __('Owned by: ', 'rolopress') . $curauth->display_name . "</h2>\n";
    } elseif (is_archive()) {
        if (is_day()) {
            $pagetitle = '<h2 class="page-title day">' . __('Items Created On: ', 'rolopress') . get_the_time(get_option('date_format')) . "</h2>\n";
        } elseif (is_month()) {
            $pagetitle = '<h2 class="page-title month">' . __('Items Created In: ', 'rolopress') . get_the_time('F Y') . "</h2>\n";
        } elseif (is_year()) {
            $pagetitle = '<h2 class="page-title year">' . __('Items Created In: ', 'rolopress') . get_the_time('Y') . "</h2>\n";
        }
    } else {
        $pagetitle = '<h2 class="page-title page">' . __(get_the_title(), 'rolopress') . "</h2>\n";
    }
    // show the page title
    echo $pagetitle;
    // show a description if set
    if (!empty($pagedesc)) {
        echo '<div class="archive-meta">' . $pagedesc . '</div>';
    }
}