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Rev | Author | Line No. | Line |
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3 | daniel-mar | 1 | <?php |
2 | |||
3 | $vts_mysqli = null; |
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4 | |||
5 | # --- |
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6 | |||
6 | daniel-mar | 7 | $stam_cfg = array(); |
8 | $stam_cfg['db_host'] = null; |
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9 | $stam_cfg['db_user'] = null; |
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10 | $stam_cfg['db_pass'] = null; |
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11 | $stam_cfg['db_base'] = null; |
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12 | |||
3 | daniel-mar | 13 | require __DIR__ . '/config.inc.php'; |
14 | |||
15 | $db_host = $stam_cfg['db_host']; |
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16 | $db_user = $stam_cfg['db_user']; |
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17 | $db_pass = $stam_cfg['db_pass']; |
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18 | $db_base = $stam_cfg['db_base']; |
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19 | |||
20 | if (!db_connect($db_host, $db_user, $db_pass)) { |
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21 | fwrite(STDERR, "MySQL connect error\n"); |
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22 | exit(2); |
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23 | } |
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24 | |||
25 | if (!db_select_db($db_base)) { |
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26 | fwrite(STDERR, "MySQL DB select error\n"); |
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27 | db_close(); |
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28 | exit(2); |
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29 | } |
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30 | |||
31 | register_shutdown_function('db_close'); |
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32 | |||
33 | # --- |
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34 | |||
35 | // Sendet eine Anfrage an MySQL |
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36 | function db_query($query, $link_identifier=NULL) { |
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37 | global $vts_mysqli; |
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38 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->query($query, $resultmode=MYSQLI_STORE_RESULT); |
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39 | } |
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40 | |||
41 | // Maskiert spezielle Zeichen innerhalb eines Strings für die Verwendung in einer SQL-Anweisung |
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42 | function db_real_escape_string($unescaped_string, $link_identifier=NULL) { |
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43 | global $vts_mysqli; |
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44 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->escape_string($unescaped_string); |
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45 | } |
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46 | |||
47 | // Öffnet eine Verbindung zu einem MySQL-Server |
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48 | function db_connect($server=null, $username=null, $password=null, $new_link=false, $client_flags=0) { |
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49 | global $vts_mysqli; |
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50 | $ary = explode(':', $server); |
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51 | $host = $ary[0]; |
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6 | daniel-mar | 52 | $ini_port = ini_get("mysqli.default_port"); |
53 | $port = isset($ary[1]) ? (int)$ary[1] : ($ini_port ? (int)$ini_port : 3306); |
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54 | if (is_null($server)) $server = ini_get("mysqli.default_host"); |
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55 | if (is_null($username)) $username = ini_get("mysqli.default_user"); |
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56 | if (is_null($password)) $password = ini_get("mysqli.default_password"); |
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3 | daniel-mar | 57 | $vts_mysqli = new mysqli($host, $username, $password, /*dbname*/'', $port, ini_get("mysqli.default_socket")); |
58 | return (empty($vts_mysqli->connect_error) && ($vts_mysqli->connect_errno == 0)) ? $vts_mysqli : false; |
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59 | } |
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60 | |||
61 | // Schließt eine Verbindung zu MySQL |
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62 | function db_close($link_identifier=NULL) { |
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63 | global $vts_mysqli; |
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64 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->close(); |
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65 | } |
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66 | |||
67 | // Auswahl einer MySQL Datenbank |
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68 | function db_select_db($database_name, $link_identifier=NULL) { |
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69 | global $vts_mysqli; |
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70 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->select_db($database_name); |
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71 | } |
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72 | |||
73 | define('DB_ASSOC', MYSQLI_ASSOC); |
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74 | define('DB_NUM', MYSQLI_NUM); |
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75 | define('DB_BOTH', MYSQLI_BOTH); |
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76 | function db_fetch_array($result, $result_type=DB_BOTH) { |
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77 | return $result->fetch_array($result_type); |
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78 | } |
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79 | |||
80 | // Liefert die ID, die in der vorherigen Abfrage erzeugt wurde |
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81 | function db_insert_id($link_identifier=NULL) { |
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82 | global $vts_mysqli; |
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83 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->insert_id; |
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84 | } |
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85 | |||
86 | // Liefert die Anzahl betroffener Datensätze einer vorhergehenden MySQL Operation |
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87 | function db_affected_rows($link_identifier=NULL) { |
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88 | global $vts_mysqli; |
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89 | return (!is_null($link_identifier) ? $link_identifier : $vts_mysqli)->affected_rows; |
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90 | } |
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91 | |||
92 | // Liefert die Anzahl der Zeilen im Ergebnis |
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93 | function db_num_rows($result) { |
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94 | return $result->num_rows; |
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95 | } |
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96 | |||
97 | // Liefert den Fehlertext der zuvor ausgeführten MySQL Operation |
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98 | function db_error($link_identifier=NULL) { |
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99 | global $vts_mysqli; |
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100 | $x = (!is_null($link_identifier) ? $link_identifier : $vts_mysqli); |
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101 | return !empty($x->connect_error) ? $x->connect_error : $x->error; |
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102 | } |
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103 |