/**
* Determine if this class of user can perform an action or has ability.
*
* @param string $ability
* @return bool
* @throws SCoreException
*/
public function can($ability)
{
if (array_key_exists($ability, $this->abilities)) {
$val = $this->abilities[$ability];
return $val;
} else {
if (!is_null($this->parent)) {
return $this->parent->can($ability);
} else {
global $_shm_user_classes;
$min_dist = 9999;
$min_ability = null;
foreach ($_shm_user_classes['base']->abilities as $a => $cando) {
$v = levenshtein($ability, $a);
if ($v < $min_dist) {
$min_dist = $v;
$min_ability = $a;
}
}
throw new SCoreException("Unknown ability '" . html_escape($ability) . "'. Did the developer mean '" . html_escape($min_ability) . "'?");
}
}
}
/**
* @param string $ability
* @return bool
*/
public function can($ability)
{
return $this->class->can($ability);
}
