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dba_exists
(PHP 3>= 3.0.8, PHP 4 , PHP 5) dba_exists -- Check whether key exists Descriptionbool dba_exists ( string key, resource handle )
dba_exists() checks whether the specified
key exists in the database.
Parameters
- key
The key the check is performed for.
- handle
The database handler, returned by dba_open() or
dba_popen().
Return Values
Returns TRUE if the key exists, FALSE otherwise.
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