+ if (!$this->admin) {
+ return FALSE; # empty results
+ }
+ preg_match_all('{[ /]}', $permission, $parts, PREG_OFFSET_CAPTURE);
+ foreach ($parts[0] as $part) {
+ if (isset($this->admin[substr($permission, 0, $part[1])])) {
+ return TRUE; # partial match
+ }
+ }
+ return isset($this->admin[$permission]); # check level