dba_exists

(PHP 3>= 3.0.8, PHP 4 >= 4.0b2)

dba_exists -- Check whether key exists

Description

bool dba_exists (string key, int handle)

Dba_exists() checks whether the specified key exists in the database specified by handle.

Key is the key the check is performed for.

Handle is a database handle returned by dba_open().

Dba_exists() returns true or false, if the key is found or not found, respectively.

See also: dba_fetch(), dba_delete(), dba_insert(), and dba_replace().