function read($len = null)
{
if (!$this->getInitialized()) {
$this->_initialize();
$this->setInitialized(true);
}
$buffer = $this->in->read($len);
if ($buffer === -1) {
return -1;
}
$buffer = preg_replace("/[" . $this->_lineBreaks . "]/", '', $buffer);
return $buffer;
}