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.

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
  • dba_fetch
  • dba_insert
  • dba_replace