public function DatabaseStorageExpirable::has in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/KeyValueStore/DatabaseStorageExpirable.php \Drupal\Core\KeyValueStore\DatabaseStorageExpirable::has()

Returns whether a given key exists in the store.

Parameters

string $key: The key to check.

Return value

bool TRUE if the key exists, FALSE otherwise.

Overrides DatabaseStorage::has

1 call to DatabaseStorageExpirable::has()

DatabaseStorageExpirable::setWithExpireIfNotExists in core/lib/Drupal/Core/KeyValueStore/DatabaseStorageExpirable.php

Sets a value for a given key with a time to live if it does not yet exist.

File

core/lib/Drupal/Core/KeyValueStore/DatabaseStorageExpirable.php, line 35

Class

DatabaseStorageExpirable

Defines a default key/value store implementation for expiring items.

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 AND expire > :now', [
    ':collection' => $this->collection,
    ':key' => $key,
    ':now' => REQUEST_TIME,
  ])
    ->fetchField();
}