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# dba_exists

(PHP 3>= 3.0.8, PHP 4 )

dba_exists -- Check whether key exists

## Description

bool dba_exists ( string key, resource 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().

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