# dbmexists

(PHP 4)

dbmexists — Tells if a value exists for a key in a DBM database

### Description

bool dbmexists ( resource `$dbm_identifier` , string `$key` )

Returns `TRUE` if there is a value associated with the `key` .

### Parameters

`dbm_identifier`

  The DBM link identifier, returned by dbmopen().

`key`

  The key, as a string

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### See Also

- dbmfetch()