\1', $considerHtml = false) { if (empty($phrase)) { return $text; } if (is_array($phrase)) { $replace = array(); $with = array(); foreach ($phrase as $key => $value) { $key = $value; $value = $highlighter; $key = '(' . $key . ')'; if ($considerHtml) { $key = '(?![^<]+>)' . $key . '(?![^<]+>)'; } $replace[] = '|' . $key . '|iu'; $with[] = empty($value) ? $highlighter : $value; } return preg_replace($replace, $with, $text); } else { $phrase = '(' . $phrase . ')'; if ($considerHtml) { $phrase = '(?![^<]+>)' . $phrase . '(?![^<]+>)'; } return preg_replace('|'.$phrase.'|iu', $highlighter, $text); } } /** * Strips given text of all links (]+>|im', '', preg_replace('|<\/a>|im', '', $text)); } /** * Adds links ( $value) { $value = var_export($value, true); $options .= "'$option' => $value, "; } $options .= ')'; $text = preg_replace_callback('#(?)((?:http|https|ftp|nntp)://[^ <]+)#i', create_function('$matches', '$Html = new HtmlHelper(); $Html->tags = $Html->loadConfig(); return $Html->link($matches[0], $matches[0],' . $options . ');'), $text); return preg_replace_callback('#(?)(?tags = $Html->loadConfig(); return $Html->link($matches[0], "http://" . strtolower($matches[0]),' . $options . ');'), $text); } /** * Adds email links ( '$value', "; } $options .= ')'; return preg_replace_callback('#([_A-Za-z0-9+-]+(?:\.[_A-Za-z0-9+-]+)*@[A-Za-z0-9-]+(?:\.[A-Za-z0-9-]+)*)#', create_function('$matches', '$Html = new HtmlHelper(); $Html->tags = $Html->loadConfig(); return $Html->link($matches[0], "mailto:" . $matches[0],' . $options . ');'), $text); } /** * Convert all links and email adresses to HTML links. * * @param string $text Text * @param array $htmlOptions Array of HTML options. * @return string The text with links * @access public */ function autoLink($text, $htmlOptions = array()) { return $this->autoLinkEmails($this->autoLinkUrls($text, $htmlOptions), $htmlOptions); } /** * Truncates text. * * Cuts a string to the length of $length and replaces the last characters * with the ending if the text is longer than length. * * @param string $text String to truncate. * @param integer $length Length of returned string, including ellipsis. * @param mixed $ending If string, will be used as Ending and appended to the trimmed string. Can also be an associative array that can contain the last three params of this method. * @param boolean $exact If false, $text will not be cut mid-word * @param boolean $considerHtml If true, HTML tags would be handled correctly * @return string Trimmed string. */ function truncate($text, $length = 100, $ending = '...', $exact = true, $considerHtml = false) { if (is_array($ending)) { extract($ending); } if ($considerHtml) { if (mb_strlen(preg_replace('/<.*?>/', '', $text)) <= $length) { return $text; } $totalLength = mb_strlen(strip_tags($ending)); $openTags = array(); $truncate = ''; preg_match_all('/(<\/?([\w+]+)[^>]*>)?([^<>]*)/', $text, $tags, PREG_SET_ORDER); foreach ($tags as $tag) { if (!preg_match('/img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param/s', $tag[2])) { if (preg_match('/<[\w]+[^>]*>/s', $tag[0])) { array_unshift($openTags, $tag[2]); } else if (preg_match('/<\/([\w]+)[^>]*>/s', $tag[0], $closeTag)) { $pos = array_search($closeTag[1], $openTags); if ($pos !== false) { array_splice($openTags, $pos, 1); } } } $truncate .= $tag[1]; $contentLength = mb_strlen(preg_replace('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|&#x[0-9a-f]{1,6};/i', ' ', $tag[3])); if ($contentLength + $totalLength > $length) { $left = $length - $totalLength; $entitiesLength = 0; if (preg_match_all('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|&#x[0-9a-f]{1,6};/i', $tag[3], $entities, PREG_OFFSET_CAPTURE)) { foreach ($entities[0] as $entity) { if ($entity[1] + 1 - $entitiesLength <= $left) { $left--; $entitiesLength += mb_strlen($entity[0]); } else { break; } } } $truncate .= mb_substr($tag[3], 0 , $left + $entitiesLength); break; } else { $truncate .= $tag[3]; $totalLength += $contentLength; } if ($totalLength >= $length) { break; } } } else { if (mb_strlen($text) <= $length) { return $text; } else { $truncate = mb_substr($text, 0, $length - strlen($ending)); } } if (!$exact) { $spacepos = mb_strrpos($truncate, ' '); if (isset($spacepos)) { if ($considerHtml) { $bits = mb_substr($truncate, $spacepos); preg_match_all('/<\/([a-z]+)>/', $bits, $droppedTags, PREG_SET_ORDER); if (!empty($droppedTags)) { foreach ($droppedTags as $closingTag) { if (!in_array($closingTag[1], $openTags)) { array_unshift($openTags, $closingTag[1]); } } } } $truncate = mb_substr($truncate, 0, $spacepos); } } $truncate .= $ending; if ($considerHtml) { foreach ($openTags as $tag) { $truncate .= ''; } } return $truncate; } /** * Alias for truncate(). * * @see TextHelper::truncate() * @access public */ function trim() { $args = func_get_args(); return call_user_func_array(array(&$this, 'truncate'), $args); } /** * Extracts an excerpt from the text surrounding the phrase with a number of characters on each side determined by radius. * * @param string $text String to search the phrase in * @param string $phrase Phrase that will be searched for * @param integer $radius The amount of characters that will be returned on each side of the founded phrase * @param string $ending Ending that will be appended * @return string Modified string * @access public */ function excerpt($text, $phrase, $radius = 100, $ending = "...") { if (empty($text) or empty($phrase)) { return $this->truncate($text, $radius * 2, $ending); } $phraseLen = strlen($phrase); if ($radius < $phraseLen) { $radius = $phraseLen; } $pos = strpos(strtolower($text), strtolower($phrase)); $startPos = 0; if ($pos > $radius) { $startPos = $pos - $radius; } $textLen = strlen($text); $endPos = $pos + $phraseLen + $radius; if ($endPos >= $textLen) { $endPos = $textLen; } $excerpt = substr($text, $startPos, $endPos - $startPos); if ($startPos != 0) { $excerpt = substr_replace($excerpt, $ending, 0, $phraseLen); } if ($endPos != $textLen) { $excerpt = substr_replace($excerpt, $ending, -$phraseLen); } return $excerpt; } /** * Creates a comma separated list where the last two items are joined with 'and', forming natural English * * @param array $list The list to be joined * @return string * @access public */ function toList($list, $and = 'and') { $return = ''; $count = count($list) - 1; $counter = 0; foreach ($list as $i => $item) { $return .= $item; if ($count > 0 && $counter < $count) { $return .= ($counter < $count - 1 ? ', ' : " {$and} "); } $counter++; } return $return; } /** * Text-to-html parser, similar to Textile or RedCloth, only with a little different syntax. * * @param string $text String to "flay" * @param boolean $allowHtml Set to true if if html is allowed * @return string "Flayed" text * @access public * @todo Change this. We need a real Textile parser. * @codeCoverageIgnoreStart */ function flay($text, $allowHtml = false) { trigger_error(__('(TextHelper::flay) Deprecated: the Flay library is no longer supported and will be removed in a future version.', true), E_USER_WARNING); if (!class_exists('Flay')) { uses('flay'); } return Flay::toHtml($text, false, $allowHtml); } /** * @codeCoverageIgnoreEnd */ } ?>