| 0,0 → 1,96 |
|---|
| <?php |
| |
| $vts_mysqli = null; |
| |
| # --- |
| |
| require __DIR__ . '/config.inc.php'; |
| |
| $db_host = $stam_cfg['db_host']; |
| $db_user = $stam_cfg['db_user']; |
| $db_pass = $stam_cfg['db_pass']; |
| $db_base = $stam_cfg['db_base']; |
| |
| if (!db_connect($db_host, $db_user, $db_pass)) { |
| fwrite(STDERR, "MySQL connect error\n"); |
| exit(2); |
| } |
| |
| if (!db_select_db($db_base)) { |
| fwrite(STDERR, "MySQL DB select error\n"); |
| db_close(); |
| exit(2); |
| } |
| |
| register_shutdown_function('db_close'); |
| |
| # --- |
| |
| // Sendet eine Anfrage an MySQL |
| function db_query($query, $link_identifier=NULL) { |
| global $vts_mysqli; |
| return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->query($query, $resultmode=MYSQLI_STORE_RESULT); |
| } |
| |
| // Maskiert spezielle Zeichen innerhalb eines Strings für die Verwendung in einer SQL-Anweisung |
| function db_real_escape_string($unescaped_string, $link_identifier=NULL) { |
| global $vts_mysqli; |
| return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->escape_string($unescaped_string); |
| } |
| |
| // Öffnet eine Verbindung zu einem MySQL-Server |
| function db_connect($server=null, $username=null, $password=null, $new_link=false, $client_flags=0) { |
| global $vts_mysqli; |
| $ary = explode(':', $server); |
| $host = $ary[0]; |
| $port = isset($ary[1]) ? $ary[1] : ini_get("mysqli.default_port"); |
| if (is_null($server)) $port = ini_get("mysqli.default_host"); |
| if (is_null($username)) $port = ini_get("mysqli.default_user"); |
| if (is_null($password)) $port = ini_get("mysqli.default_password"); |
| $vts_mysqli = new mysqli($host, $username, $password, /*dbname*/'', $port, ini_get("mysqli.default_socket")); |
| return (empty($vts_mysqli->connect_error) && ($vts_mysqli->connect_errno == 0)) ? $vts_mysqli : false; |
| } |
| |
| // Schließt eine Verbindung zu MySQL |
| function db_close($link_identifier=NULL) { |
| global $vts_mysqli; |
| return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->close(); |
| } |
| |
| // Auswahl einer MySQL Datenbank |
| function db_select_db($database_name, $link_identifier=NULL) { |
| global $vts_mysqli; |
| return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->select_db($database_name); |
| } |
| |
| define('DB_ASSOC', MYSQLI_ASSOC); |
| define('DB_NUM', MYSQLI_NUM); |
| define('DB_BOTH', MYSQLI_BOTH); |
| function db_fetch_array($result, $result_type=DB_BOTH) { |
| return $result->fetch_array($result_type); |
| } |
| |
| // Liefert die ID, die in der vorherigen Abfrage erzeugt wurde |
| function db_insert_id($link_identifier=NULL) { |
| global $vts_mysqli; |
| return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->insert_id; |
| } |
| |
| // Liefert die Anzahl betroffener Datensätze einer vorhergehenden MySQL Operation |
| function db_affected_rows($link_identifier=NULL) { |
| global $vts_mysqli; |
| return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->affected_rows; |
| } |
| |
| // Liefert die Anzahl der Zeilen im Ergebnis |
| function db_num_rows($result) { |
| return $result->num_rows; |
| } |
| |
| // Liefert den Fehlertext der zuvor ausgeführten MySQL Operation |
| function db_error($link_identifier=NULL) { |
| global $vts_mysqli; |
| $x = (!is_null($link_identifier) ? $link_identifier : $vts_mysqli); |
| return !empty($x->connect_error) ? $x->connect_error : $x->error; |
| } |
| |