dba_exists

(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() - Delete DBA entry specified by key
• dba_fetch() - Fetch data specified by key
• dba_insert() - Insert entry
• dba_replace() - Replace or insert entry

Описание на ru2.php.net
Описание на php.ru