/**
* 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);
}
}
public function testQueryOneReturnsValueOnNonNodeQuery()
{
$this->assertEquals('1', $this->xp->queryOne('count(//root)'));
}
