public function CheckoutFlowBase::getPreviousStepId in Commerce Core 8.2
Gets the previous step ID for the given step ID.
Note that we’re not calling getVisibleSteps() on purpose here to bypass its static caching which may no longer be valid due to previous panes altering the order.
Parameters
string $step_id: The step ID.
Return value
string|null The previous step, or NULL if there is none.
Overrides CheckoutFlowInterface::getPreviousStepId
1 call to CheckoutFlowBase::getPreviousStepId()
- CheckoutFlowBase::actions in modules/
checkout/ src/ Plugin/ Commerce/ CheckoutFlow/ CheckoutFlowBase.php - Builds the actions element for the current form.
File
- modules/
checkout/ src/ Plugin/ Commerce/ CheckoutFlow/ CheckoutFlowBase.php, line 157
Class
- CheckoutFlowBase
- Provides the base checkout flow class.
Namespace
Drupal\commerce_checkout\Plugin\Commerce\CheckoutFlowCode
public function getPreviousStepId($step_id) {
$step_ids = array_keys($this
->getSteps());
$previous_step_index = array_search($step_id, $step_ids) - 1;
while (isset($step_ids[$previous_step_index])) {
if (!$this
->isStepVisible($step_ids[$previous_step_index])) {
$previous_step_index--;
continue;
}
return $step_ids[$previous_step_index];
}
return NULL;
}