/**
* Returns a score for the selected permission
*
* The score is factored according to an exact match for an ARO (3), a
* match for an inherited ARO (2) or a match for an any/all ARO (1).
*
* @param string $type
* @param array $aro
* @param string $context
* @return integer
*/
public function score($type, Zend_Acl_Aro $aro, $context = null)
{
$score = 0;
if (!empty($this->_context[$type])) {
$acl = $this->_context[$type];
// determine only existing aros from type
$defined = array_keys($acl);
// do any parents match the existing aros?
$parent = array_intersect($aro->getParent(), $defined);
foreach ($parent as $id) {
// first array member will have the highest inheritance
$factor = $this->_getFactor($aro, $id);
if (in_array($context, $acl[$id])) {
// is there an explicit match for the context?
$score = 4 * $factor;
} elseif (in_array(Zend_Acl::ACO_CATCHALL, $acl[$id])) {
// is there an any/all for the context?
$score = 1 * $factor;
}
}
}
return $score;
}
