(PHP 4, PHP 5)
dba_insert — Insert entry
dba_insert() inserts the entry described with key and value into the database.
The key of the entry to be inserted. If this key already exist in the database, this function will fail. Use dba_replace() if you need to replace an existent key.
The value to be inserted.
The database handler, returned by dba_open() or dba_popen().
成功时返回 TRUE， 或者在失败时返回 FALSE.