public DatabaseStorage::exists($name)
Returns whether a configuration object exists.
Parameters
string $name: The name of a configuration object to test.
Return value
bool TRUE if the configuration object exists, FALSE otherwise.
Overrides StorageInterface::exists
File
- core/lib/Drupal/Core/Config/DatabaseStorage.php, line 67
Class
- DatabaseStorage
- Defines the Database storage.
Namespace
Drupal\Core\Config
Code
public function exists($name) {
try {
return (bool) $this->connection->queryRange('SELECT 1 FROM {' . $this->connection->escapeTable($this->table) . '} WHERE collection = :collection AND name = :name', 0, 1, array(
':collection' => $this->collection,
':name' => $name,
), $this->options)->fetchField();
}
catch (\Exception $e) {
// If we attempt a read without actually having the database or the table
// available, just return FALSE so the caller can handle it.
return FALSE;
}
}
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