protected property TableSortExtender::$header
The array of fields that can be sorted by.
File
- core/lib/Drupal/Core/Database/Query/TableSortExtender.php, line 15
Class
- TableSortExtender
- Query extender class for tablesort queries.
Namespace
Drupal\Core\Database\QueryCode
protected $header = array();
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Database!Query!TableSortExtender.php/property/TableSortExtender::header/8.1.x