dba_exists

(PHP 3 >= 3.0.8, PHP 4, PHP 5)

dba_exists -- Check whether key exists

Описание

bool dba_exists ( string key, resource handle )

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()