/**
* Forward to DOMXPath->registerPHPFunctions()
*
* @param mixed $restrict Array of function names or string with functionname to restrict callabilty to
*
* @throws fDOMException
*
* @return void
*/
public function registerPHPFunctions($restrict = NULL)
{
if (is_null($this->xp)) {
$this->getDOMXPath();
}
$this->xp->registerPHPFunctions($restrict);
if (libxml_get_last_error()) {
throw new fDOMException("Registering php functions failed.", fDOMException::RegistrationFailed);
}
}
private function buildQuery(fDOMXPath $xp, array $values = NULL)
{
$backup = $this->values;
if (count($values) > 0) {
foreach ($values as $k => $v) {
$this->bind($k, $v);
}
}
$query = $xp->prepare($this->query, $this->values);
$this->values = $backup;
return $query;
}
