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Queue operations

The queue system allows placing items in a queue and processing them later. The system tries to ensure that only one consumer can process an item.

Code

modules/system/system.queue.inc, line 192

<?php
public function numberOfItems() {
  return db_query('SELECT COUNT(item_id) FROM {queue} WHERE name = :name', array(':name' => $this->name))->fetchField();
}
?>