public function addTextLine($_line)
{
$split = array_map('trim', preg_split('/$\\R?^/m', $_line));
if (count($split) > 1) {
foreach ($split as $splittedLine) {
$this->addTextLine($splittedLine);
}
} elseif (trim($_line) !== '') {
$this->textLines[] = $_line;
$this->getText();
}
return $this;
}