6
The created date is stored in the node_field_data table as a UNIX timestamp in a cloumn called created.
Here's the code you would use to fetch the nodes that has been created X days ago, using a direct select query.
$day = 86400; // One day in seconds.
$days = 3; // The amount of days ago to fetch from.
$nids = \Drupal::database()->select('...
3
If you go into your Drupal database you should find a table called 'node_field_data'. In this table there is a column labeled 'created'. That will be your Unix timestamp for when the node was created.
3
hook_entity_presave() is called for every entity being saved which means that, since that hook_entity_presave() implementation is saving an entity, it is being invoked twice.
Using method_exists() is generally wrong, as in PHP is generally preferable to check if the object is an instance of a class implementing an interface or a class extending another ...
2
hook_entity_presave() runs when any entity is inserted or saved; thus, it runs twice in your case, since you have a Node and a Webform entity being saved.
You would have to add a conditional to check the entity type as @berramou's answer suggests.
Alternatively, you could use hook_ENTITY_TYPE_presave() and target the node.
/*
* Implements ...
2
If you want the hook_entity_presave() to only focus on nodes and not on webforms, you can check the entity type like in the following code.
/**
* Implements hook_entity_presave().
*/
function YourModule_entity_presave(Drupal\Core\Entity\EntityInterface $entity) {
if ($entity->getEntityTypeId() == 'node') {
// Do you webform creation code here
...
1
To get the full objects in your twig file, you could have done this:
$ids = \Drupal::entityQuery('chemical')
->condition('tid', $tid)
->execute();
$controller = \Drupal::entityManager()->getStorage('chemical');
$entities = $controller->loadMultiple($ids);
$output[] = [
'#theme' => 'chemical_taxonomy',
'#chemicals' => $entities,
];
...
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