db_condition($conjunction)
Returns a new DatabaseCondition, set to the specified conjunction.
Internal API function call. The db_and(), db_or(), and db_xor() functions are preferred.
Parameters
string $conjunction: The conjunction to use for query conditions (AND, OR or XOR).
Return value
\Drupal\Core\Database\Query\Condition A new Condition object, set to the specified conjunction.
Deprecated as of Drupal 8.0.x, will be removed in Drupal 9.0.0. Create a \Drupal\Core\Database\Query\Conditio