Php/docs/function.dba-exists
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dba_exists
(PHP 4, PHP 5, PHP 7)
dba_exists — Check whether key exists
Description
dba_exists
( string $key
, resource $handle
) : bool
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.
See Also
- 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
