function DatabaseStorage::has

Same name in other branches
  1. 9 core/lib/Drupal/Core/KeyValueStore/DatabaseStorage.php \Drupal\Core\KeyValueStore\DatabaseStorage::has()
  2. 10 core/lib/Drupal/Core/KeyValueStore/DatabaseStorage.php \Drupal\Core\KeyValueStore\DatabaseStorage::has()
  3. 11.x core/lib/Drupal/Core/KeyValueStore/DatabaseStorage.php \Drupal\Core\KeyValueStore\DatabaseStorage::has()

Overrides KeyValueStoreInterface::has

1 method overrides DatabaseStorage::has()
DatabaseStorageExpirable::has in core/lib/Drupal/Core/KeyValueStore/DatabaseStorageExpirable.php
Returns whether a given key exists in the store.

File

core/lib/Drupal/Core/KeyValueStore/DatabaseStorage.php, line 63

Class

DatabaseStorage
Defines a default key/value store implementation.

Namespace

Drupal\Core\KeyValueStore

Code

public function has($key) {
    return (bool) $this->connection
        ->query('SELECT 1 FROM {' . $this->connection
        ->escapeTable($this->table) . '} WHERE collection = :collection AND name = :key', [
        ':collection' => $this->collection,
        ':key' => $key,
    ])
        ->fetchField();
}

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