PHP truncate函数代码示例

 public function display()
 {
     $strTag = utf8_strtolower($this->patharray[0]);
     if (!strlen($strTag)) {
         redirect($this->controller_path_plain . $this->SID);
     }
     $arrArticleIDs = $this->pdh->get('articles', 'articles_for_tag', array($strTag));
     $arrArticleIDs = $this->pdh->sort($arrArticleIDs, 'articles', 'date', 'desc');
     $intStart = $this->in->get('start', 0);
     $arrLimitedIDs = $this->pdh->limit($arrArticleIDs, $intStart, $this->user->data['user_nlimit']);
     //Articles to template
     foreach ($arrLimitedIDs as $intArticleID) {
         $userlink = '<a href="' . $this->routing->build('user', $this->pdh->geth('articles', 'user_id', array($intArticleID)), 'u' . $this->pdh->get('articles', 'user_id', array($intArticleID))) . '">' . $this->pdh->geth('articles', 'user_id', array($intArticleID)) . '</a>';
         //Content dependet from list_type
         //1 = until readmore
         //2 = Headlines only
         //3 = only first 600 characters
         $strText = $this->pdh->get('articles', 'text', array($intArticleID));
         $arrContent = preg_split('#<hr(.*)id="system-readmore"(.*)\\/>#iU', xhtml_entity_decode($strText));
         $strText = $this->bbcode->parse_shorttags($arrContent[0]);
         $strPath = $this->pdh->get('articles', 'path', array($intArticleID));
         $intCategoryID = $this->pdh->get('articles', 'category', array($intArticleID));
         //Replace Image Gallery
         $arrGalleryObjects = array();
         preg_match_all('#<p(.*)class="system-gallery"(.*) data-sort="(.*)" data-folder="(.*)">(.*)</p>#iU', $strText, $arrGalleryObjects, PREG_PATTERN_ORDER);
         if (count($arrGalleryObjects[0])) {
             include_once $this->root_path . 'core/gallery.class.php';
             foreach ($arrGalleryObjects[4] as $key => $val) {
                 $objGallery = registry::register('gallery');
                 $strGalleryContent = $objGallery->create($val, (int) $arrGalleryObjects[3][$key], $this->server_path . $strPath, 1);
                 $strText = str_replace($arrGalleryObjects[0][$key], $strGalleryContent, $strText);
             }
         }
         //Replace Raidloot
         $arrRaidlootObjects = array();
         preg_match_all('#<p(.*)class="system-raidloot"(.*) data-id="(.*)"(.*) data-chars="(.*)">(.*)</p>#iU', $strText, $arrRaidlootObjects, PREG_PATTERN_ORDER);
         if (count($arrRaidlootObjects[0])) {
             include_once $this->root_path . 'core/gallery.class.php';
             foreach ($arrRaidlootObjects[3] as $key => $val) {
                 $objGallery = registry::register('gallery');
                 $withChars = $arrRaidlootObjects[5][$key] == "true" ? true : false;
                 $strRaidlootContent = $objGallery->raidloot((int) $val, $withChars);
                 $strText = str_replace($arrRaidlootObjects[0][$key], $strRaidlootContent, $strText);
             }
         }
         $this->comments->SetVars(array('attach_id' => $intArticleID, 'page' => 'articles'));
         $intCommentsCount = $this->comments->Count();
         //Tags
         $arrTags = $this->pdh->get('articles', 'tags', array($intArticleID));
         $this->tpl->assign_block_vars('article_row', array('ARTICLE_CONTENT' => $strText, 'ARTICLE_TITLE' => $this->pdh->get('articles', 'title', array($intArticleID)), 'ARTICLE_SUBMITTED' => sprintf($this->user->lang('news_submitter'), $userlink, $this->time->user_date($this->pdh->get('articles', 'date', array($intArticleID)), false, true)), 'ARTICLE_DATE' => $this->time->user_date($this->pdh->get('articles', 'date', array($intArticleID)), false, false, true), 'ARTICLE_PATH' => $this->controller_path . $this->pdh->get('articles', 'path', array($intArticleID)), 'ARTICLE_SOCIAL_BUTTONS' => $arrCategory['social_share_buttons'] ? $this->social->createSocialButtons($this->env->link . $this->pdh->get('articles', 'path', array($intArticleID)), strip_tags($this->pdh->get('articles', 'title', array($intArticleID)))) : '', 'PERMALINK' => $this->pdh->get('articles', 'permalink', array($intArticleID)), 'S_TAGS' => count($arrTags) && $arrTags[0] != "" ? true : false, 'ARTICLE_CUTTED_CONTENT' => truncate($strText, 600, '...', false, true), 'S_READMORE' => isset($arrContent[1]) ? true : false, 'COMMENTS_COUNTER' => $intCommentsCount == 1 ? $intCommentsCount . ' ' . $this->user->lang('comment') : $intCommentsCount . ' ' . $this->user->lang('comments'), 'S_COMMENTS' => $this->pdh->get('articles', 'comments', array($intArticleID)) ? true : false, 'S_FEATURED' => $this->pdh->get('articles', 'featured', array($intArticleID))));
         if (count($arrTags) && $arrTags[0] != "") {
             foreach ($arrTags as $tag) {
                 $this->tpl->assign_block_vars('article_row.tag_row', array('TAG' => $tag, 'U_TAG' => $this->routing->build('tag', $tag)));
             }
         }
     }
     $this->tpl->assign_vars(array('TAG' => sanitize($strTag), 'PAGINATION' => generate_pagination($this->strPath . $this->SID, count($arrArticleIDs), $this->user->data['user_nlimit'], $intStart, 'start')));
     $this->tpl->add_meta('<link rel="canonical" href="' . $this->env->link . $this->routing->build('tag', $tag, false, false, true) . '" />');
     $this->core->set_vars(array('page_title' => $this->user->lang("tag") . ': ' . sanitize($strTag), 'template_file' => 'tag.html', 'display' => true));
 }

function altText($text)
{
    if (strlen($text) > 100) {
        $text = truncate($text, 100);
    }
    return str_replace("<br />", "\n", str_replace("'", "&#39;", str_replace("\"", "&#34;", charReplace($text))));
}

 public function __construct()
 {
     gateKeeper();
     $guid = getInput("guid");
     $title = getInput("blog_title");
     $description = getInput("description");
     $access_id = getInput("access_id");
     $container_guid = getInput("container_guid");
     $owner_guid = getLoggedInUserGuid();
     if ($guid) {
         $blog = getEntity($guid);
     } else {
         $blog = new Blog();
     }
     $blog->title = $title;
     $blog->description = $description;
     $blog->access_id = $access_id;
     $blog->owner_guid = $owner_guid;
     $blog->status = "published";
     $blog->container_guid = $container_guid;
     $blog->save();
     new Activity(getLoggedInUserGuid(), "blog:add", array(getLoggedInUser()->getURL(), getLoggedInUser()->full_name, $blog->getURL(), $blog->title, truncate($blog->description)), "", $access_id);
     new SystemMessage("Your blog has been published");
     forward("blogs/all_blogs");
 }

 protected function generateMetaDescription()
 {
     sfProjectConfiguration::getActive()->loadHelpers('StringFunc');
     $result = '';
     switch ($this->getCurrentPageType()) {
         case self::ARTICLE_PAGE:
             //pealkiri. Sisu (250 chars)
             if ($this->getRoute()->getObject()->getMetadescription()) {
                 return $this->getRoute()->getObject()->getMetadescription();
             }
             $content = truncate(strip_tags($this->getRoute()->getObject()->getTitle() . '. ' . $this->getRoute()->getObject()->getContent()), 250, '');
             break;
         case self::CATEGORY_PAGE:
             // category name, products
             if ($this->getRoute()->getCategoryObject()->getMetaDescription()) {
                 return $this->getRoute()->getCategoryObject()->getMetaDescription();
             }
             $content = implode(',', $this->getProductCategoryPageWords($this->getRoute()->getCategoryObject()));
             break;
         case self::PRODUCT_PAGE:
             //toote nimi (kategooriad) - toode kirjelduse esimesed tähemärgid
             $content = $this->getRoute()->getProductObject()->getName() . ' (' . implode(', ', $this->getProductCategoryPageWords($this->getRoute()->getCategoryObject())) . ') ' . $this->getRoute()->getProductObject()->getDescription();
             break;
     }
     $result = truncate(strip_tags($content), 250, '');
     return $result;
 }

function main_form($x, $y, $data)
{
    global $pdf;
    global $_TITLE, $_LMARGIN, $_BMARGIN;
    $balance = $data['balance'] < 0 ? -$data['balance'] : $data['balance'];
    $font_size = 14;
    $lineh = 25;
    $x += $_LMARGIN;
    $y += $_BMARGIN;
    $y += 275;
    $pdf->addtext($x, $y, $font_size, $data['d_name']);
    $y -= $lineh;
    $pdf->addtext($x, $y, $font_size, trim($data['d_zip'] . ' ' . $data['d_city'] . ' ' . $data['d_address']));
    $y -= $lineh;
    //    for($i=0; $i<26; $i++)
    //    {
    //	    $pdf->addtext($x+$i*14.6,$y,$font_size,$_ACCOUNT[$i]);
    //    }
    $pdf->addtext($x, $y, $font_size, bankaccount($data['id'], $data['account']));
    $y -= $lineh;
    $pdf->addtext($x + 220, $y, $font_size, sprintf('%.2f', $balance));
    $y -= $lineh;
    $pdf->addtext($x, $y, $font_size, trans('$a dollars $b cents', to_words(floor($balance)), to_words(round(($balance - floor($balance)) * 100))));
    $y -= $lineh;
    $pdf->addtext($x, $y, $font_size, truncate($data['customername']));
    $y -= $lineh;
    $pdf->addtext($x, $y, $font_size, truncate(trim($data['zip'] . ' ' . $data['city'] . ' ' . $data['address'])));
    $y -= $lineh;
    $pdf->addtext($x, $y, $font_size, $_TITLE);
    $y -= $lineh;
    $pdf->addtext($x, $y, $font_size, trans('Customer ID: $a', sprintf('%04d', $data['id'])));
}

 static function urlize($url, $truncate = false)
 {
     if (preg_match('/^(http|https|ftp:\\/\\/([^\\s"\']+))/i', $url, $match)) {
         $url = "<a href='{$url}'>" . ($truncate ? truncate($url, $truncate) : $url) . '</a>';
     }
     return $url;
 }

 function getContentArticle($article, $wordwrap = 0)
 {
     if ($wordwrap > 0) {
         $content = strip_tags($article->content);
         return truncate($content, $wordwrap, '...');
     } else {
         return $article->content;
     }
 }

function __NLStreamCopy(NLStream $in, NLStream $out)
{
    truncate($out, 0);
    fseek($in->_imp_data, 0, SEEK_SET);
    fseek($out->_imp_data, 0, SEEK_SET);
    $len = __NLStreamCopyAtOffset($in->_imp_data, $out->_imp_data);
    fseek($in->_imp_data, 0, SEEK_SET);
    fseek($out->_imp_data, 0, SEEK_SET);
}

 function test_truncate_with_options_hash()
 {
     $this->assertEqual("This is a string that wil[...]", truncate("This is a string that will go longer then the default truncate length of 30", array("omission" => "[...]")));
     $this->assertEqual("Hello W...", truncate("Hello World!", array("length" => 10)));
     $this->assertEqual("Hello[...]", truncate("Hello World!", array("omission" => "[...]", "length" => 10)));
     $this->assertEqual("Hello[...]", truncate("Hello Big World!", array("omission" => "[...]", "length" => 13, "separator" => ' ')));
     $this->assertEqual("Hello Big[...]", truncate("Hello Big World!", array("omission" => "[...]", "length" => 14, "separator" => ' ')));
     $this->assertEqual("Hello Big[...]", truncate("Hello Big World!", array("omission" => "[...]", "length" => 15, "separator" => ' ')));
 }

 public function pingback_ping($args)
 {
     $config = Config::current();
     $linked_from = str_replace('&', '&', $args[0]);
     $linked_to = str_replace('&', '&', $args[1]);
     $cleaned_url = str_replace(array("http://www.", "http://"), "", $config->url);
     if ($linked_to == $linked_from) {
         return new IXR_ERROR(0, __("The from and to URLs cannot be the same."));
     }
     if (!substr_count($linked_to, $cleaned_url)) {
         return new IXR_Error(0, __("There doesn't seem to be a valid link in your request."));
     }
     if (preg_match("/url=([^&#]+)/", $linked_to, $url)) {
         $post = new Post(array("url" => $url[1]));
     } else {
         $post = MainController::current()->post_from_url(null, str_replace(rtrim($config->url, "/"), "/", $linked_to), true);
     }
     if (!$post) {
         return new IXR_Error(33, __("I can't find a post from that URL."));
     }
     # Wait for the "from" server to publish
     sleep(1);
     $from = parse_url($linked_from);
     if (empty($from["host"])) {
         return false;
     }
     if (empty($from["scheme"]) or $from["scheme"] != "http") {
         $linked_from = "http://" . $linked_from;
     }
     # Grab the page that linked here.
     $content = get_remote($linked_from);
     # Get the title of the page.
     preg_match("/<title>([^<]+)<\\/title>/i", $content, $title);
     $title = $title[1];
     if (empty($title)) {
         return new IXR_Error(32, __("There isn't a title on that page."));
     }
     $content = strip_tags($content, "<a>");
     $url = preg_quote($linked_to, "/");
     if (!preg_match("/<a[^>]*{$url}[^>]*>([^>]*)<\\/a>/", $content, $context)) {
         $url = str_replace("&", "&amp;", preg_quote($linked_to, "/"));
         if (!preg_match("/<a[^>]*{$url}[^>]*>([^>]*)<\\/a>/", $content, $context)) {
             $url = str_replace("&", "&#038;", preg_quote($linked_to, "/"));
             if (!preg_match("/<a[^>]*{$url}[^>]*>([^>]*)<\\/a>/", $content, $context)) {
                 return false;
             }
         }
     }
     $context[1] = truncate($context[1], 100, "...", true);
     $excerpt = strip_tags(str_replace($context[0], $context[1], $content));
     $match = preg_quote($context[1], "/");
     $excerpt = preg_replace("/.*?\\s(.{0,100}{$match}.{0,100})\\s.*/s", "\\1", $excerpt);
     $excerpt = "[...] " . trim(normalize($excerpt)) . " [...]";
     Trigger::current()->call("pingback", $post, $linked_to, $linked_from, $title, $excerpt);
     return _f("Pingback from %s to %s registered!", array($linked_from, $linked_to));
 }

 public function __construct($data = NULL)
 {
     gateKeeper();
     $logged_in_user = getLoggedInUser();
     if (!$data) {
         // Get the comment body
         $comment_body = getInput("comment");
         // Get container url
         $container_guid = getInput("guid");
     } else {
         $comment_body = $data['comment_body'];
         $container_guid = $data['container_guid'];
     }
     $container = getEntity($container_guid);
     $container_owner_guid = $container->owner_guid;
     if ($container_owner_guid) {
         $container_owner = getEntity($container_owner_guid);
     }
     $url = $container->getURL();
     if (!$url) {
         $url = getSiteURL();
     }
     // Create the comment
     CommentsPlugin::createComment($container_guid, $comment_body);
     if ($container_owner_guid) {
         if ($container_owner_guid != getLoggedInUserGuid()) {
             $params = array("to" => array($container_owner->full_name, $container_owner->email), "from" => array(getSiteName(), getSiteEmail()), "subject" => "You have a new comment.", "body" => "You have a new comment.  Click <a href='{$url}'>Here</a> to view it.", "html" => true);
             switch ($logged_in_user->getSetting("notify_when_comment")) {
                 case "email":
                     sendEmail($params);
                     break;
                 case "none":
                     break;
                 case "site":
                     notifyUser("comment", $container_guid, getLoggedInUserGuid(), $container_owner_guid);
                     break;
                 case "both":
                     sendEmail($params);
                     notifyUser("comment", $container_guid, getLoggedInUserGuid(), $container_owner_guid);
                     break;
             }
         }
     }
     runHook("add:comment:after");
     if (getLoggedInUserGuid() != $container_owner_guid && $container_owner_guid) {
         new Activity(getLoggedInUserGuid(), "activity:comment", array(getLoggedInUser()->getURL(), getLoggedInUser()->full_name, $container_owner->getURL(), $container_owner->full_name, $container->getURL(), translate($container->type), truncate($comment_body)));
     } elseif (!$container_owner_guid) {
         new Activity(getLoggedInUserGuid(), "activity:comment:own", array(getLoggedInUser()->getURL(), getLoggedInUser()->full_name, $container->getURL(), $container->title, translate($container->type), truncate($comment_body)));
     }
     // Return to container page.
     forward();
 }

 public function __construct()
 {
     gateKeeper();
     $email_users = array();
     $container_guid = getInput("container_guid");
     $topic = getEntity($container_guid);
     $category_guid = $topic->container_guid;
     $category = getEntity($category_guid);
     $description = getInput("comment");
     $comment = new Forumcomment();
     $comment->description = $description;
     $comment->container_guid = $container_guid;
     $comment->category_guid = $category_guid;
     $comment->owner_guid = getLoggedInUserGuid();
     $comment->save();
     new SystemMessage("Your comment has been posted.");
     new Activity(getLoggedInUserGuid(), "forum:comment:posted", array(getLoggedInUser()->getURL(), getLoggedInUser()->full_name, $topic->getURL(), $topic->title, truncate($comment->description)), $container_guid, $category->access_id);
     $all_comments = getEntities(array("type" => "Forumcomment", "metadata_name" => "container_guid", "metadata_value" => $container_guid));
     $notify_users = array($topic->owner_guid);
     $container_owner_guid = $topic->owner_guid;
     $container_owner = getEntity($container_owner_guid);
     if ($container_owner->notify_when_forum_comment_topic_i_own == "email" || $container_owner->notify_when_forum_comment_topic_i_own == "both") {
         $email_users[] = $container_guid;
     }
     foreach ($all_comments as $comment) {
         $user_guid = $comment->owner_guid;
         $user = getEntity($user_guid);
         switch ($user->notify_when_forum_comment_topic_i_own) {
             case "both":
                 $notify_users[] = $comment->owner_guid;
                 $email_users[] = $comment->owner_guid;
                 break;
             case "email":
                 $email_users[] = $comment->owner_guid;
                 break;
             case "site":
                 $notify_users[] = $comment->owner_guid;
                 break;
             case "none":
                 break;
         }
     }
     $notify_users = array_unique($notify_users);
     foreach ($notify_users as $user_guid) {
         notifyUser("forumcomment", $container_guid, getLoggedInUserGuid(), $user_guid);
     }
     foreach ($email_users as $user) {
         $params = array("to" => array($user->full_name, $user->email), "from" => array(getSiteName(), getSiteEmail()), "subject" => "You have a new comment.", "body" => "You have a new comment.  Click <a href='{$url}'>Here</a> to view it.", "html" => true);
         sendEmail($params);
     }
     forward();
 }

function save_note($id, $title, $body)
{
    if ($body == "" && $title == "") {
        $title = "Empty note";
    }
    if (($title == "" || $title == "Empty note") && $body != "") {
        $title = truncate(strip_tags($body), 30);
    }
    $db = new db();
    $result = $db->update("notes", array("title" => $title, "body" => $body), "id = :id", array(":id" => $id));
    $result = array("id" => $id, "title" => $title, "body" => $body);
    return $result;
}

function formatTeaser($r)
{
    $teaser = '';
    if (array_key_exists('highlight', $r)) {
        $teaser = trim(preg_replace('/\\s+/', ' ', preg_replace('/^\\*{2,}.*?\\n/', '', $r['highlight']['description'][0])));
    } elseif (array_key_exists('description', $r['_source'])) {
        $teaser = truncate(trim(preg_replace('/\\s+/', ' ', preg_replace('/^\\*{2,}.*/m', '', $r['_source']['description']))));
    }
    if ($teaser == '') {
        $teaser = 'No data.';
    }
    return strip_tags($teaser);
}

function smarty_function_ajax_input($params, &$smarty)
{
    $id = $params['id'];
    $class = $params['class'];
    $value = $params['value'];
    $default = $params['default'];
    $display = $params['display'];
    $mode = $params['mode'];
    $noclear = $params['noclear'];
    $truncate = (int) $params['truncate'];
    $permission = $params['permission'];
    $callSave = isset($params['file']) ? "saveField(this, " . $params['file'] . ")" : "saveField(this)";
    $trucated = truncate($value, $truncate);
    if ($mode == 'edit') {
        $edit = 1;
    } elseif ($mode == 'show') {
        $edit = 0;
    } else {
        $edit = $value ? 0 : 1;
    }
    if (!$display) {
        $display = 'block';
    }
    if (!$permission) {
        $output .= '<div id="show-' . $id . '" class="' . $class . '" style="display:' . $display . '">';
        $output .= $trucated ? $trucated : $default;
        $output .= "</div>";
        return $output;
    } else {
        $class .= " editable";
    }
    $output = '';
    $output .= '<div id="show-' . $id . '" class="' . $class . '" style="display:' . ($edit ? 'none' : $display) . '" onClick="editaCampo(' . "'" . $id . "'" . ');">';
    $output .= $edit ? $default : $trucated;
    $output .= "</div>";
    // TODO: escape value
    $output .= '<input class="' . $class . '" id="input-' . $id . '" value="' . ($value ? $value : $default) . '" ';
    if (!$value && !$noclear) {
        $output .= " onFocus=\"limpaCampo('{$id}');\"";
    }
    $output .= " onChange=\"mudado['{$id}']=1; editing['{$id}'] = false;\" onBlur=\"{$callSave}\" style=\"display:" . ($edit ? $display : 'none') . "\">";
    $output .= "<img id=\"error-{$id}\" class=\"gUpErrorImg\" style=\"display: none\" src=\"styles/estudiolivre/errorImg.png\" onMouseover=\"tooltip(errorMsg_{$id});\" onMouseout=\"nd();\"> ";
    $output .= '<script language="JavaScript">';
    $output .= '  display["' . $id . '"] = "' . $display . '";errorMsg_' . $id . ' = "";';
    if ($truncate) {
        $output .= '  truncations["' . $id . '"] = "' . $truncate . '";';
    }
    $output .= '</script>';
    return $output;
}