/**
* Returns a list of variables that should be included in serialization,
* i.e. these values are the only ones that are stored in DB
*
* @since 1.0.0
* @internal
* @return array
*/
public function __sleep()
{
/*
* Rule values are pre-processd before saving...
* Note: $this->_rules only contains rules for the *current* site, so
* all rules that are serialized here get the current-site prefix.
* Rules for the other sites are already in the $this->rule_values
* array and were not de-serialized on page load.
*/
$this->rule_values = lib3()->array->get($this->rule_values);
foreach ($this->_rules as $rule_type => $rule) {
$key = MS_Rule::rule_key($rule_type);
$this->rule_values[$key] = $rule->serialize();
if (empty($this->rule_values[$key])) {
unset($this->rule_values[$key]);
}
}
return array('id', 'name', 'title', 'description', 'rule_values', 'type', 'payment_type', 'active', 'private', 'is_free', 'disabled_gateways', 'price', 'period', 'pay_cycle_period', 'pay_cycle_repetitions', 'period_date_start', 'period_date_end', 'trial_period_enabled', 'trial_price', 'trial_period', 'on_end_membership_id', 'is_setup_completed', 'source', 'source_id', 'custom_data', 'update_denied', 'update_replace');
}
