SelectExtender::addTag

public SelectExtender::addTag($tag)

Adds a tag to a query.

Tags are strings that identify a query. A query may have any number of tags. Tags are used to mark a query so that alter hooks may decide if they wish to take action. Tags should be all lower-case and contain only letters, numbers, and underscore, and start with a letter. That is, they should follow the same rules as PHP identifiers in general.

Parameters

$tag: The tag to add.

Return value

\Drupal\Core\Database\Query\AlterableInterface The called object.

Overrides AlterableInterface::addTag

File

core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 59

Class

SelectExtender
The base extender class for Select queries.

Namespace

Drupal\Core\Database\Query

Code

public function addTag($tag) {
  $this->query->addTag($tag);
  return $this;
}
doc_Drupal
2016-10-29 09:41:27
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