PHP td_util::excerpt方法代码示例

 /**
  * get the single breadcrumbs
  * @param $post_title
  * @return string
  */
 static function get_single_breadcrumbs($post_title)
 {
     if (td_util::get_option('tds_breadcrumbs_show') == 'hide') {
         return;
     }
     $category_1_name = '';
     $category_1_url = '';
     $category_2_name = '';
     $category_2_url = '';
     $primary_category_id = td_global::get_primary_category_id();
     $primary_category_obj = get_category($primary_category_id);
     //print_r($primary_category_obj);
     if (!empty($primary_category_obj)) {
         if (!empty($primary_category_obj->name)) {
             $category_1_name = $primary_category_obj->name;
         } else {
             $category_1_name = '';
         }
         if (!empty($primary_category_obj->cat_ID)) {
             $category_1_url = get_category_link($primary_category_obj->cat_ID);
         }
         if (!empty($primary_category_obj->parent) and $primary_category_obj->parent != 0) {
             $parent_category_obj = get_category($primary_category_obj->parent);
             if (!empty($parent_category_obj)) {
                 $category_2_name = $parent_category_obj->name;
                 $category_2_url = get_category_link($parent_category_obj->cat_ID);
             }
         }
     }
     if (!empty($category_1_name)) {
         //parent category (only if we have one and if the theme is set to show it)
         if (!empty($category_2_name) and td_util::get_option('tds_breadcrumbs_show_parent') != 'hide') {
             $breadcrumbs_array[] = array('title_attribute' => __td('View all posts in', TD_THEME_NAME) . ' ' . htmlspecialchars($category_2_name), 'url' => $category_2_url, 'display_name' => $category_2_name);
         }
         //child category
         $breadcrumbs_array[] = array('title_attribute' => __td('View all posts in', TD_THEME_NAME) . ' ' . htmlspecialchars($category_1_name), 'url' => $category_1_url, 'display_name' => $category_1_name);
         //article title (only if the theme is set to show it)
         if (td_util::get_option('tds_breadcrumbs_show_article') != 'hide') {
             //child category
             $breadcrumbs_array[] = array('title_attribute' => $post_title, 'url' => '', 'display_name' => td_util::excerpt($post_title, 13));
         }
     }
     if (isset($breadcrumbs_array) and is_array($breadcrumbs_array)) {
         //the breadcrumbs may be empty due to settings
         return self::get_breadcrumbs($breadcrumbs_array);
         //generate the breadcrumbs
     } else {
         return '';
     }
 }

 function get_title($excerpt_lenght = '')
 {
     $buffy = '';
     $buffy .= '<h4 itemprop="name" class="entry-title">';
     $buffy .= '<a itemprop="url" href="' . $this->href . '" rel="bookmark" title="' . $this->title_attribute . '">';
     if (!empty($excerpt_lenght)) {
         $buffy .= td_util::excerpt($this->title, $excerpt_lenght, 'show_shortcodes');
     } else {
         $buffy .= $this->title;
     }
     $buffy .= '</a>';
     $buffy .= '</h4>';
     return $buffy;
 }

 function get_title_sec_item()
 {
     //get the excerpt from panel
     $tds_big_slide_small_image_title_excerpt = td_util::get_option('tds_big_slide_small_image_title_excerpt');
     $buffy = '';
     $buffy .= '<div class="td-sbig-title-wrap">';
     $buffy .= '<a class="noSwipe" itemprop="url" href="' . $this->current_post->href . '" rel="bookmark" title="' . $this->current_post->title_attribute . '">';
     //make the title
     if (intval($tds_big_slide_small_image_title_excerpt) > 0) {
         $buffy .= td_util::excerpt($this->current_post->title, $tds_big_slide_small_image_title_excerpt);
     } else {
         $buffy .= $this->current_post->title;
     }
     $buffy .= '</a>';
     $buffy .= '</div>';
     return $buffy;
 }

 /**
  * returns the item scope meta. It returns an empty string if the module is used in a loop (not on a single page)
  * 16 march 2015
  * @return string
  */
 function get_item_scope_meta()
 {
     if (!is_single()) {
         return '';
     }
     $buffy = '';
     //the vampire slayer
     $author_id = $this->post->post_author;
     $buffy .= '<meta itemprop="author" content = "' . get_the_author_meta('display_name', $author_id) . '">';
     $buffy .= '<meta itemprop="interactionCount" content="UserComments:' . get_comments_number($this->post->ID) . '"/>';
     if (td_review::has_review($this->td_review)) {
         $td_article_date_unix = get_the_time('U', $this->post->ID);
         $buffy .= '<meta itemprop="itemReviewed " content = "' . $this->title . '">';
         if (!empty($this->td_review['review'])) {
             $buffy .= '<meta itemprop="about" content = "' . esc_attr($this->td_review['review']) . '">';
         } else {
             //we have no review :|
             //get a damn excerpt for the metatag
             if ($this->post->post_excerpt != '') {
                 $td_post_excerpt = $this->post->post_excerpt;
             } else {
                 $td_post_excerpt = td_util::excerpt($this->post->post_content, 25);
             }
             $buffy .= '<meta itemprop="about" content = "' . esc_attr($td_post_excerpt) . '">';
         }
         $buffy .= '<meta itemprop="datePublished" content="' . date(DATE_W3C, $td_article_date_unix) . '">';
         $buffy .= '<span class="td-page-meta" itemprop="reviewRating" itemscope itemtype="' . td_global::$http_or_https . '://schema.org/Rating">';
         $buffy .= '<meta itemprop="worstRating" content = "1">';
         $buffy .= '<meta itemprop="bestRating" content = "5">';
         $buffy .= '<meta itemprop="ratingValue" content = "' . td_review::calculate_total_stars($this->td_review) . '">';
         $buffy .= ' </span>';
     }
     return $buffy;
 }

 /**
  * This method is used by modules to get content that has to be excerpted (cut)
  * IT RETURNS THE EXCERPT FROM THE POST IF IT'S ENTERED IN THE EXCERPT CUSTOM POST FIELD BY THE USER
  * @param string $cut_at - if provided the method will just cat at that point
  * @return string
  */
 function get_excerpt($cut_at = '')
 {
     //If the user supplied the excerpt in the post excerpt custom field, we just return that
     if ($this->post->post_excerpt != '') {
         return $this->post->post_excerpt;
     }
     $buffy = '';
     if ($cut_at != '') {
         // simple, $cut_at and return
         $buffy .= td_util::excerpt($this->post->post_content, $cut_at);
     } else {
         $current_module_class = get_class($this);
         //see if we have a default setting for this module, and if so only apply it if we don't get other things form theme panel.
         if (td_api_module::_check_excerpt_content($current_module_class)) {
             $db_content_excerpt = td_util::get_option($current_module_class . '_content_excerpt');
             if ($db_content_excerpt != '') {
                 //cut from the database settings
                 $buffy .= td_util::excerpt($this->post->post_content, $db_content_excerpt);
             } else {
                 //cut at the default size
                 $module_api = td_api_module::get_by_id($current_module_class);
                 $buffy .= td_util::excerpt($this->post->post_content, $module_api['excerpt_content']);
             }
         } else {
             /**
              * no $cut_at provided and no setting in td_config -> return the full $this->post->post_content
              * @see td_global::$modules_list
              */
             $buffy .= $this->post->post_content;
         }
     }
     return $buffy;
 }

 /**
  * This method outputs the item scope for SINGLE templates. If you are looking for the modules @see td_module::get_item_scope_meta()
  * @updated 23 july 2015
  *  - if the module that uses this class is not on a single page, we use the @see td_module::get_item_scope_meta() this allows
  * us to output normal module item scope insted of no item scope like it was before this update
  * @return string
  */
 function get_item_scope_meta()
 {
     if (!is_single()) {
         return parent::get_item_scope_meta();
         // get a normal item scope if we're in a loop - like on a blog style loop
     }
     $buffy = '';
     //the vampire slayer
     $buffy .= parent::get_item_scope_meta();
     // if we have a review, we must add additional stuff
     if (td_review::has_review($this->td_review)) {
         // the item that is reviewd
         $buffy .= '<meta itemprop="itemReviewed " content = "' . $this->title_attribute . '">';
         if (!empty($this->td_review['review'])) {
             $buffy .= '<meta itemprop="about" content = "' . esc_attr($this->td_review['review']) . '">';
         } else {
             //we have no review text :| get a excerpt for the about meta thing
             if ($this->post->post_excerpt != '') {
                 $td_post_excerpt = $this->post->post_excerpt;
             } else {
                 $td_post_excerpt = td_util::excerpt($this->post->post_content, 25);
             }
             $buffy .= '<meta itemprop="about" content = "' . esc_attr($td_post_excerpt) . '">';
         }
         // review rating
         $buffy .= '<span class="td-page-meta" itemprop="reviewRating" itemscope itemtype="' . td_global::$http_or_https . '://schema.org/Rating">';
         $buffy .= '<meta itemprop="worstRating" content = "1">';
         $buffy .= '<meta itemprop="bestRating" content = "5">';
         $buffy .= '<meta itemprop="ratingValue" content = "' . td_review::calculate_total_stars($this->td_review) . '">';
         $buffy .= ' </span>';
     }
     return $buffy;
 }

 /**
  * Used only on slide big to cut the title to make it wrap
  *
  * @param $cut_parms
  * @param $title
  * @return string
  */
 static function cut_title($cut_parms, $title)
 {
     //trim and get the excerpt
     $title = trim($title);
     $title = td_util::excerpt($title, $cut_parms['excerpt']);
     //get an array of chars
     $title_chars = str_split($title);
     //$title_chars = preg_split('/(?=(.{16})*$)/u', $title);
     $buffy = '';
     $current_char_on_line = 0;
     $has_to_cut = false;
     //when true, the string will be cut
     foreach ($title_chars as $title_char) {
         //check if we reached the limit
         if ($cut_parms['char_per_line'] == $current_char_on_line) {
             $has_to_cut = true;
             $current_char_on_line = 0;
         } else {
             $current_char_on_line++;
         }
         if ($title_char == ' ' and $has_to_cut === true) {
             //we have to cut, it's a white space so we ignore it (not added to buffy)
             $buffy .= $cut_parms['line_wrap_end'] . $cut_parms['line_wrap_start'];
             $has_to_cut = false;
         } else {
             //normal loop
             $buffy .= $title_char;
         }
     }
     //wrap the string
     return $cut_parms['line_wrap_start'] . $buffy . $cut_parms['line_wrap_end'];
 }

 /**
  * here we generate the breadcrumbs for custom post types
  *  - we favor terms that have a parent so: parent > child will always show up instead of single terms that don't have parents
  * @return string
  */
 private static function get_custom_post_type_breadcrumbs()
 {
     global $post;
     // use the global breadcrumb setting to show or hide them
     if (td_util::get_option('tds_breadcrumbs_show') == 'hide') {
         return '';
     }
     $breadcrumbs_array = array();
     // get the taxonomy that was set for breadcrumbs
     $breadcrumbs_taxonomy = td_util::get_ctp_option($post->post_type, 'tds_breadcrumbs_taxonomy');
     // get terms (alphabetically)
     $terms = wp_get_post_terms($post->ID, $breadcrumbs_taxonomy);
     if (!empty($terms)) {
         // add the first term by default
         // this default will be overwritten ! - if in foreach we find a term that has a parent
         if (isset($terms[0])) {
             $first_term_url = get_term_link($terms[0], $breadcrumbs_taxonomy);
             if (!is_wp_error($first_term_url)) {
                 $breadcrumbs_array[0] = array('title_attribute' => '', 'url' => $first_term_url, 'display_name' => $terms[0]->name);
             }
         }
         // start the search for terms that have parents BUT only if the global settings allow us
         if (td_util::get_option('tds_breadcrumbs_show_parent') != 'hide') {
             foreach ($terms as $term) {
                 // check if the term has a parent
                 if ($term->parent != 0) {
                     $parent_term_in_category_spot = get_term($term->parent, $breadcrumbs_taxonomy);
                     // add the parent
                     $parent_url = get_term_link($parent_term_in_category_spot, $breadcrumbs_taxonomy);
                     if (!is_wp_error($parent_url)) {
                         $breadcrumbs_array[0] = array('title_attribute' => '', 'url' => $parent_url, 'display_name' => $parent_term_in_category_spot->name);
                     }
                     // add the child
                     $child_url = get_term_link($term, $breadcrumbs_taxonomy);
                     if (!is_wp_error($child_url)) {
                         $breadcrumbs_array[] = array('title_attribute' => '', 'url' => $child_url, 'display_name' => $term->name);
                     }
                     break;
                     //we found a parent > child
                 }
             }
             // end foreach
         }
     }
     //article title
     if (td_util::get_option('tds_breadcrumbs_show_article') != 'hide') {
         //child category
         $breadcrumbs_array[] = array('title_attribute' => $post->post_title, 'url' => '', 'display_name' => td_util::excerpt($post->post_title, 13));
     }
     return self::get_breadcrumbs($breadcrumbs_array);
 }

 function get_excerpt($lenght = 25, $show_shortcodes = '')
 {
     if ($this->post->post_excerpt != '') {
         return $this->post->post_excerpt;
     }
     if (empty($lenght)) {
         $lenght = 25;
     }
     $buffy = '';
     //print_r($this->post);
     //remove [caption .... [/caption] from $this->post->post_content
     $post_content = preg_replace("/\\[caption(.*)\\[\\/caption\\]/i", '', $this->post->post_content);
     $buffy .= td_util::excerpt($post_content, $lenght, $show_shortcodes);
     return $buffy;
 }

 /**
  * This method outputs the item scope for SINGLE templates. If you are looking for the modules @see td_module::get_item_scope_meta()
  * @updated 23 july 2015
  *  - if the module that uses this class is not on a single page, we use the @see td_module::get_item_scope_meta() this allows
  * us to output normal module item scope insted of no item scope like it was before this update
  * @updated 16 december 2015
  * - removed structured data from modules, now it displays only on single and it returns the current post data
  * - no more interference with the itemprop's coming from modules
  * - all single structured data is now gathered here
  * @return string
  */
 function get_item_scope_meta()
 {
     // don't display meta on pages
     if (!is_single()) {
         return '';
     }
     // determine publisher name - use author name if there's no blog name
     $td_publisher_name = get_bloginfo('name');
     if (empty($td_publisher_name)) {
         $td_publisher_name = esc_attr(get_the_author_meta('display_name', $this->post->post_author));
     }
     // determine publisher logo
     $td_publisher_logo = td_util::get_option('tds_logo_upload');
     $buffy = '';
     //the vampire slayer
     // author
     $buffy .= '<span style="display: none;" itemprop="author" itemscope itemtype="https://schema.org/Person">';
     $buffy .= '<meta itemprop="name" content="' . esc_attr(get_the_author_meta('display_name', $this->post->post_author)) . '">';
     $buffy .= '</span>';
     // datePublished
     $td_article_date_unix = get_the_time('U', $this->post->ID);
     $buffy .= '<meta itemprop="datePublished" content="' . date(DATE_W3C, $td_article_date_unix) . '">';
     // dateModified
     $buffy .= '<meta itemprop="dateModified" content="' . the_modified_date('c', '', '', false) . '">';
     // mainEntityOfPage
     $buffy .= '<meta itemscope itemprop="mainEntityOfPage" itemType="https://schema.org/WebPage" itemid="' . get_permalink($this->post->ID) . '"/>';
     // publisher
     $buffy .= '<span style="display: none;" itemprop="publisher" itemscope itemtype="https://schema.org/Organization">';
     $buffy .= '<span style="display: none;" itemprop="logo" itemscope itemtype="https://schema.org/ImageObject">';
     $buffy .= '<meta itemprop="url" content="' . $td_publisher_logo . '">';
     $buffy .= '</span>';
     $buffy .= '<meta itemprop="name" content="' . $td_publisher_name . '">';
     $buffy .= '</span>';
     // headline @todo we may improve this one to use the subtitle or excerpt? - We could not find specs about what it should be.
     $buffy .= '<meta itemprop="headline " content="' . esc_attr($this->post->post_title) . '">';
     // featured image
     $td_image = array();
     if (!is_null($this->post_thumb_id)) {
         /**
          * from google documentation:
          * A URL, or list of URLs pointing to the representative image file(s). Images must be
          * at least 160x90 pixels and at most 1920x1080 pixels.
          * We recommend images in .jpg, .png, or. gif formats.
          * https://developers.google.com/structured-data/rich-snippets/articles
          */
         $td_image = wp_get_attachment_image_src($this->post_thumb_id, 'full');
     } else {
         // when the post has no image use the placeholder
         $td_image[0] = get_template_directory_uri() . '/images/no-thumb/td_meta_replacement.png';
         $td_image[1] = '1068';
         $td_image[2] = '580';
     }
     // ImageObject meta
     if (!empty($td_image[0])) {
         $buffy .= '<span style="display: none;" itemprop="image" itemscope itemtype="https://schema.org/ImageObject">';
         $buffy .= '<meta itemprop="url" content="' . $td_image[0] . '">';
         $buffy .= '<meta itemprop="width" content="' . $td_image[1] . '">';
         $buffy .= '<meta itemprop="height" content="' . $td_image[2] . '">';
         $buffy .= '</span>';
     }
     // if we have a review, we must add additional stuff
     if ($this->is_review) {
         // the item that is reviewd
         $buffy .= '<span style="display: none;" itemprop="itemReviewed" itemscope itemtype="https://schema.org/Thing">';
         $buffy .= '<meta itemprop="name " content = "' . $this->title_attribute . '">';
         $buffy .= '</span>';
         if (!empty($this->td_review['review'])) {
             $buffy .= '<meta itemprop="reviewBody" content = "' . esc_attr($this->td_review['review']) . '">';
         } else {
             //we have no review text :| get a excerpt for the about meta thing
             if ($this->post->post_excerpt != '') {
                 $td_post_excerpt = $this->post->post_excerpt;
             } else {
                 $td_post_excerpt = td_util::excerpt($this->post->post_content, 45);
             }
             $buffy .= '<meta itemprop="reviewBody" content = "' . esc_attr($td_post_excerpt) . '">';
         }
         // review rating
         $buffy .= '<span style="display: none;" class="td-page-meta" itemprop="reviewRating" itemscope itemtype="' . td_global::$http_or_https . '://schema.org/Rating">';
         $buffy .= '<meta itemprop="worstRating" content = "1">';
         $buffy .= '<meta itemprop="bestRating" content = "5">';
         $buffy .= '<meta itemprop="ratingValue" content = "' . td_review::calculate_total_stars($this->td_review) . '">';
         $buffy .= ' </span>';
     }
     return $buffy;
 }

 function get_bread_crumbs()
 {
     $primary_category_id = '';
     //read the post setting
     $td_post_theme_settings = get_post_meta($this->post->ID, 'td_post_theme_settings', true);
     if (!empty($td_post_theme_settings['td_primary_cat'])) {
         $primary_category_id = $td_post_theme_settings['td_primary_cat'];
     } else {
         $categories = get_the_category($this->post->ID);
         foreach ($categories as $category) {
             if ($category->name != TD_FEATURED_CAT) {
                 //ignore the featured category name
                 $primary_category_id = $category->cat_ID;
                 break;
             }
         }
     }
     $category_1_name = '';
     $category_1_url = '';
     $category_2_name = '';
     $category_2_url = '';
     $primary_category_obj = get_category($primary_category_id);
     //print_r($primary_category_obj);
     if (!empty($primary_category_obj)) {
         if (!empty($primary_category_obj->name)) {
             $category_1_name = $primary_category_obj->name;
         } else {
             $category_1_name = '';
         }
         if (!empty($primary_category_obj->cat_ID)) {
             $category_1_url = get_category_link($primary_category_obj->cat_ID);
         }
         if (!empty($primary_category_obj->parent) and $primary_category_obj->parent != 0) {
             $parent_category_obj = get_category($primary_category_obj->parent);
             if (!empty($parent_category_obj)) {
                 $category_2_name = $parent_category_obj->name;
                 $category_2_url = get_category_link($parent_category_obj->cat_ID);
             }
         }
     }
     //print_r($primary_category_obj);
     $td_separator = ' <span class="td-sp td-sp-breadcrumb-arrow td-bread-sep"></span> ';
     $buffy = '';
     if (!empty($category_1_name)) {
         $buffy .= '<div itemscope="" itemtype="' . td_global::$http_or_https . '://schema.org/WebPage" class="entry-crumbs">';
         //home
         if (td_util::get_option('tds_breadcrumbs_show_home') != 'hide') {
             $buffy .= '<a class="entry-crumb" itemprop="breadcrumb" href="' . get_home_url() . '">' . __td('Home') . '</a>';
         }
         //parent category
         if (!empty($category_2_name) and td_util::get_option('tds_breadcrumbs_show_parent') != 'hide') {
             if (td_util::get_option('tds_breadcrumbs_show_home') != 'hide') {
                 $buffy .= $td_separator;
             }
             $buffy .= '<a class="entry-crumb" itemprop="breadcrumb" href="' . $category_2_url . '" title="' . __td('View all posts in') . ' ' . htmlspecialchars($category_2_name) . '">' . $category_2_name . '</a>';
             $buffy .= $td_separator;
         } else {
             if (td_util::get_option('tds_breadcrumbs_show_home') != 'hide') {
                 $buffy .= $td_separator;
             }
         }
         $buffy .= '<a class="entry-crumb" itemprop="breadcrumb" href="' . $category_1_url . '" title="' . __td('View all posts in') . ' ' . htmlspecialchars($category_1_name) . '">' . $category_1_name . '</a>';
         //article title
         if (td_util::get_option('tds_breadcrumbs_show_article') != 'hide') {
             $buffy .= $td_separator;
             $buffy .= '<span>' . td_util::excerpt($this->title, 13) . '</span>';
         }
         $buffy .= '</div>';
     }
     return $buffy;
 }

 function get_excerpt($cut_excerpt_default = '')
 {
     //returns the uncut excerpt
     if ($this->post->post_excerpt != '') {
         return $this->post->post_excerpt;
     }
     $buffy = '';
     if ($cut_excerpt_default != '') {
         $db_content_excerpt = td_util::get_option(get_class($this) . '_content_excerpt');
         if ($db_content_excerpt != '') {
             //cut from the database settings
             $buffy .= td_util::excerpt($this->post->post_content, $db_content_excerpt);
         } else {
             //cut at the default size
             $buffy .= td_util::excerpt($this->post->post_content, $cut_excerpt_default);
         }
     } else {
         $buffy .= $this->post->post_content;
     }
     return $buffy;
 }