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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3 | daniel-mar | 1 | <?php |
| 2 | |||
| 3 | $vts_mysqli = null; |
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| 4 | |||
| 5 | # --- |
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| 6 | |||
| 7 | require __DIR__ . '/config.inc.php'; |
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| 8 | |||
| 9 | $db_host = $stam_cfg['db_host']; |
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| 10 | $db_user = $stam_cfg['db_user']; |
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| 11 | $db_pass = $stam_cfg['db_pass']; |
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| 12 | $db_base = $stam_cfg['db_base']; |
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| 13 | |||
| 14 | if (!db_connect($db_host, $db_user, $db_pass)) { |
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| 15 | fwrite(STDERR, "MySQL connect error\n"); |
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| 16 | exit(2); |
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| 17 | } |
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| 18 | |||
| 19 | if (!db_select_db($db_base)) { |
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| 20 | fwrite(STDERR, "MySQL DB select error\n"); |
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| 21 | db_close(); |
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| 22 | exit(2); |
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| 23 | } |
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| 24 | |||
| 25 | register_shutdown_function('db_close'); |
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| 26 | |||
| 27 | # --- |
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| 28 | |||
| 29 | // Sendet eine Anfrage an MySQL |
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| 30 | function db_query($query, $link_identifier=NULL) { |
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| 31 | global $vts_mysqli; |
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| 32 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->query($query, $resultmode=MYSQLI_STORE_RESULT); |
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| 33 | } |
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| 34 | |||
| 35 | // Maskiert spezielle Zeichen innerhalb eines Strings für die Verwendung in einer SQL-Anweisung |
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| 36 | function db_real_escape_string($unescaped_string, $link_identifier=NULL) { |
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| 37 | global $vts_mysqli; |
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| 38 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->escape_string($unescaped_string); |
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| 39 | } |
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| 40 | |||
| 41 | // Öffnet eine Verbindung zu einem MySQL-Server |
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| 42 | function db_connect($server=null, $username=null, $password=null, $new_link=false, $client_flags=0) { |
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| 43 | global $vts_mysqli; |
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| 44 | $ary = explode(':', $server); |
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| 45 | $host = $ary[0]; |
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| 46 | $port = isset($ary[1]) ? $ary[1] : ini_get("mysqli.default_port"); |
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| 47 | if (is_null($server)) $port = ini_get("mysqli.default_host"); |
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| 48 | if (is_null($username)) $port = ini_get("mysqli.default_user"); |
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| 49 | if (is_null($password)) $port = ini_get("mysqli.default_password"); |
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| 50 | $vts_mysqli = new mysqli($host, $username, $password, /*dbname*/'', $port, ini_get("mysqli.default_socket")); |
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| 51 | return (empty($vts_mysqli->connect_error) && ($vts_mysqli->connect_errno == 0)) ? $vts_mysqli : false; |
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| 52 | } |
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| 53 | |||
| 54 | // Schließt eine Verbindung zu MySQL |
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| 55 | function db_close($link_identifier=NULL) { |
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| 56 | global $vts_mysqli; |
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| 57 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->close(); |
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| 58 | } |
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| 59 | |||
| 60 | // Auswahl einer MySQL Datenbank |
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| 61 | function db_select_db($database_name, $link_identifier=NULL) { |
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| 62 | global $vts_mysqli; |
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| 63 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->select_db($database_name); |
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| 64 | } |
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| 65 | |||
| 66 | define('DB_ASSOC', MYSQLI_ASSOC); |
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| 67 | define('DB_NUM', MYSQLI_NUM); |
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| 68 | define('DB_BOTH', MYSQLI_BOTH); |
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| 69 | function db_fetch_array($result, $result_type=DB_BOTH) { |
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| 70 | return $result->fetch_array($result_type); |
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| 71 | } |
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| 72 | |||
| 73 | // Liefert die ID, die in der vorherigen Abfrage erzeugt wurde |
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| 74 | function db_insert_id($link_identifier=NULL) { |
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| 75 | global $vts_mysqli; |
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| 76 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->insert_id; |
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| 77 | } |
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| 78 | |||
| 79 | // Liefert die Anzahl betroffener Datensätze einer vorhergehenden MySQL Operation |
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| 80 | function db_affected_rows($link_identifier=NULL) { |
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| 81 | global $vts_mysqli; |
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| 82 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->affected_rows; |
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| 83 | } |
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| 84 | |||
| 85 | // Liefert die Anzahl der Zeilen im Ergebnis |
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| 86 | function db_num_rows($result) { |
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| 87 | return $result->num_rows; |
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| 88 | } |
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| 89 | |||
| 90 | // Liefert den Fehlertext der zuvor ausgeführten MySQL Operation |
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| 91 | function db_error($link_identifier=NULL) { |
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| 92 | global $vts_mysqli; |
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| 93 | $x = (!is_null($link_identifier) ? $link_identifier : $vts_mysqli); |
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| 94 | return !empty($x->connect_error) ? $x->connect_error : $x->error; |
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| 95 | } |
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| 96 |