public deleteMember(aMember) {
  global $user;
  SecurityManager.verifyNeededBusinessRules($user, array(DeleteMember, ViewMember);
  //simply do stuff here
}

// now in php 4... ;-)
public deleteMember($member) {
  global $user;
  if(SecurityManager::verifyNeededBusinessRules($user, array(DeleteMember, ViewMember)) {
// do stuff here...
}
  
}