function setParameters($parm_array)
{
// Make sure no unsupported parameters are specified
$supported_parameters = array('state_group', 'state');
$parm_keys = array_keys($parm_array);
$unsupported_list = array_diff($parm_keys, $supported_parameters);
if (isset($unsupported_list[0])) {
return "Unsupported parameter '{$unsupported_list[0]}' in operation";
}
// Fetch state id's from the identifiers
$state_group = eZContentObjectStateGroup::fetchByIdentifier($parm_array['state_group']);
if ($state_group === false) {
return 'Missing or illegal state group identifier';
}
$state_group_id = $state_group->attribute('id');
$state = eZContentObjectState::fetchByIdentifier($parm_array['state'], $state_group_id);
if ($state === false) {
return 'Missing or illegal state identifier';
}
$this->state_id = $state->attribute('id');
return true;
}
public function stateByIdentifier($stateIdentifier)
{
return eZContentObjectState::fetchByIdentifier($stateIdentifier, $this->attribute('id'));
}