dba_exists

(PHP 4, PHP 5)

dba_exists — Check whether key exists

Описание

dba_exists() checks whether the specified key exists in the database.

Список параметров

key

The key the check is performed for.

handle

The database handler, returned by dba_open() or dba_popen().

Возвращаемые значения

Returns TRUE if the key exists, FALSE otherwise.

Смотрите также

• dba_delete()
• dba_fetch()
• dba_insert()
• dba_replace()