helper = Helper_E2pdf_Helper::instance(); } public function truncate($text = '', $max_length = 100, $read_more = '', $break_words = false, $is_html = false) { if (!$text || mb_strlen($text) < $max_length) { return $text; } if ($is_html) { $this->length = 0; $this->limit = false; $this->elements = array(); $this->max_length = $max_length; $this->read_more = $read_more; $this->break_words = $break_words; $text = '

' . $text . '

'; $dom = new DOMDocument(); $html = $this->helper->load('convert')->load_html($text, $dom); if ($html) { $remove = $this->truncate_html($dom); foreach ($remove as $child) { $child->parentNode->removeChild($child); } $container = $dom->getElementsByTagName('div')->item(0); $container = $container->parentNode->removeChild($container); while ($dom->firstChild) { $dom->removeChild($dom->firstChild); } while ($container->firstChild) { $dom->appendChild($container->firstChild); } $text = $this->helper->load('convert')->html_entities_decode($dom->saveHTML()); } } else { if (!$break_words) { $text = rtrim($text) . ' '; } $text = mb_substr($text, 0, $max_length); if (!$break_words) { $text = mb_substr($text, 0, strrpos($text, ' ')); } $text = rtrim($text) . $read_more; } return $text; } public function truncate_html($node) { if ($this->limit) { $this->elements[] = $node; } else { if ($node && $node instanceof DOMText) { $nodeLen = mb_strlen($node->nodeValue); $this->length += $nodeLen; if ($this->length > $this->max_length) { if (!$this->break_words) { $text = rtrim($node->nodeValue) . ' '; } else { $text = $node->nodeValue; } $text = mb_substr($text, 0, $nodeLen - ($this->length - $this->max_length)); if (!$this->break_words) { $text = mb_substr($text, 0, strrpos($text, ' ')); } $text = rtrim($text) . $this->read_more; $node->nodeValue = $text; $this->limit = true; } } if ($node->hasChildNodes()) { foreach ($node->childNodes as $child) { $this->truncate_html($child); } } } return $this->elements; } }