(PHP 4, PHP 5, PHP 7, PHP 8)
dba_delete — Delete DBA entry specified by key
$key, resource $dba): booldba_delete() deletes the specified entry from the database.
keyThe key of the entry which is deleted.
dbaThe database handler, returned by dba_open() or dba_popen().
成功時(shí)返回 true， 或者在失敗時(shí)返回 false。