/**
* Get the value of attribute
*
* @param DOMNode $node Node
* @param string $attName Attribute name
* @param string $purgeChars The input string
* @param boolean $addslashes Escape slashes is the return string
*
* @return string
*/
function getValueAttributNode(DOMNode $node, $attName, $purgeChars = "", $addslashes = false)
{
$text = null;
if ($att = $node->getAttributeNode($attName)) {
$text = $this->convertEncoding($att->value);
$text = str_replace(str_split($purgeChars), "", $text);
$text = trim($text);
if ($addslashes) {
$text = addslashes($text);
}
}
return $text;
}
