(PHP 4, PHP 5)
dba_replace — Replace or insert entry
dba_replace() replaces or inserts the entry described with key and value into the database specified by handle .
The key of the entry to be replaced.
The value to be replaced.
The database handler, returned by dba_open() or dba_popen().
如果成功则返回 TRUE，失败则返回 FALSE。