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Rev | Author | Line No. | Line |
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2 | daniel-mar | 1 | <?php |
2 | |||
3 | // TODO: test everything |
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4 | // TODO: return values? |
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5 | // TODO: check if we matched all stuff mentioned here: https://www.phpclasses.org/blog/package/9199/post/3-Smoothly-Migrate-your-PHP-Code-using-the-Old-MySQL-extension-to-MySQLi.html |
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6 | |||
7 | $vts_mysqli = null; |
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8 | |||
9 | // Liefert die Anzahl betroffener Datensätze einer vorhergehenden MySQL Operation |
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10 | function mysql_affected_rows($link_identifier=NULL) { |
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11 | global $vts_mysqli; |
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12 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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13 | if (is_null($li)) throw new Exception("Cannot execute mysql_affected_rows(). No valid connection to server."); |
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14 | |||
15 | return $li->affected_rows; |
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16 | } |
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17 | |||
18 | // Liefert den Namen des Zeichensatzes |
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19 | function mysql_client_encoding($link_identifier=NULL) { |
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20 | global $vts_mysqli; |
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21 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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22 | if (is_null($li)) throw new Exception("Cannot execute mysql_client_encoding(). No valid connection to server."); |
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23 | |||
24 | return $li->character_set_name(); |
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25 | } |
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26 | |||
27 | // Schließt eine Verbindung zu MySQL |
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28 | function mysql_close($link_identifier=NULL) { |
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29 | global $vts_mysqli; |
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30 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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31 | if (is_null($li)) throw new Exception("Cannot execute mysql_close(). No valid connection to server."); |
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32 | |||
33 | return $li->close(); |
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34 | } |
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35 | |||
36 | // Öffnet eine Verbindung zu einem MySQL-Server |
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37 | function mysql_connect($server=null, $username=null, $password=null, $new_link=false, $client_flags=0) { |
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38 | global $vts_mysqli; |
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39 | $ary = explode(':', $server); |
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40 | $host = $ary[0]; |
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41 | $port = isset($ary[1]) ? $ary[1] : ini_get("mysqli.default_port"); |
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42 | if (is_null($server)) $port = ini_get("mysqli.default_host"); |
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43 | if (is_null($username)) $port = ini_get("mysqli.default_user"); |
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44 | if (is_null($password)) $port = ini_get("mysqli.default_password"); |
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45 | $vts_mysqli = new mysqli($host, $username, $password, /*dbname*/'', $port, ini_get("mysqli.default_socket")); |
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46 | return (empty($vts_mysqli->connect_error) && ($vts_mysqli->connect_errno == 0)) ? $vts_mysqli : false; |
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47 | } |
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48 | |||
49 | // Anlegen einer MySQL-Datenbank |
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50 | function mysql_create_db($database_name, $link_identifier=NULL) { |
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51 | global $vts_mysqli; |
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52 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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53 | if (is_null($li)) throw new Exception("Cannot execute mysql_create_db(). No valid connection to server."); |
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54 | |||
55 | return mysql_query("CREATE DATABASE `$database_name`", $li) !== false; |
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56 | } |
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57 | |||
58 | // Bewegt den internen Ergebnis-Zeiger |
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59 | function mysql_data_seek($result, $row_number) { |
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60 | if (!$result) { |
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61 | $err = mysql_error(); |
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62 | throw new Exception("Called mysql_data_seek() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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63 | } |
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64 | return $result->data_seek($offset) !== false; |
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65 | } |
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66 | |||
67 | // Liefert Schema Namen vom Aufruf von mysql_list_dbs |
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68 | function mysql_db_name($result, $row, $field=NULL) { |
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69 | if (!$result) { |
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70 | $err = mysql_error(); |
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71 | throw new Exception("Called mysql_db_name() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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72 | } |
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73 | $result->data_seek($row); |
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74 | return mysql_fetch_array($result)[is_null($field) ? 0 : $field]; |
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75 | } |
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76 | |||
77 | // Selektiert ein Schema und führt in ihm Anfrage aus |
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78 | function mysql_db_query($database, $query, $link_identifier=NULL) { |
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79 | global $vts_mysqli; |
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80 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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81 | if (is_null($li)) throw new Exception("Cannot execute mysql_db_query(). No valid connection to server."); |
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82 | |||
83 | mysql_select_db($database, $li); |
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84 | return mysql_query($query, $li); |
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85 | // Note: The mysql_*() implementation defines, that we will not jump back to our original DB |
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86 | } |
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87 | |||
88 | // Löschen eines Schemas |
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89 | function mysql_drop_db($database_name, $link_identifier=NULL) { |
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90 | global $vts_mysqli; |
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91 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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92 | if (is_null($li)) throw new Exception("Cannot execute mysql_drop_db(). No valid connection to server."); |
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93 | |||
94 | return mysql_query("DROP DATABASE `$database_name`", $li) !== false; |
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95 | } |
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96 | |||
97 | // Liefert die Nummer einer Fehlermeldung einer zuvor ausgeführten MySQL Operation |
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98 | function mysql_errno($link_identifier=NULL) { |
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99 | global $vts_mysqli; |
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100 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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101 | if (is_null($li)) throw new Exception("Cannot execute mysql_errno(). No valid connection to server."); |
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102 | |||
103 | return !empty($li->connect_errno) ? $li->connect_errno : $li->errno; |
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104 | } |
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105 | |||
106 | // Liefert den Fehlertext der zuvor ausgeführten MySQL Operation |
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107 | function mysql_error($link_identifier=NULL) { |
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108 | global $vts_mysqli; |
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109 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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110 | if (is_null($li)) throw new Exception("Cannot execute mysql_error(). No valid connection to server."); |
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111 | |||
112 | return !empty($li->connect_error) ? $li->connect_error : $li->error; |
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113 | } |
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114 | |||
115 | // Maskiert einen String zur Benutzung in einer MySQL Abfrage |
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116 | function mysql_escape_string($unescaped_string) { |
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117 | global $vts_mysqli; |
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118 | return $vts_mysqli->real_escape_string($unescaped_string); |
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119 | } |
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120 | |||
121 | // Liefert einen Datensatz als assoziatives Array, als numerisches Array oder beides |
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122 | define('MYSQL_ASSOC', MYSQLI_ASSOC); |
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123 | define('MYSQL_NUM', MYSQLI_NUM); |
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124 | define('MYSQL_BOTH', MYSQLI_BOTH); |
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125 | function mysql_fetch_array($result, $result_type=MYSQL_BOTH) { |
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126 | if (!$result) { |
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127 | $err = mysql_error(); |
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128 | throw new Exception("Called mysql_fetch_array() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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129 | } |
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130 | return $result->fetch_array($result_type); |
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131 | } |
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132 | |||
133 | // Liefert einen Datensatz als assoziatives Array |
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134 | function mysql_fetch_assoc($result) { |
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135 | if (!$result) { |
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136 | $err = mysql_error(); |
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137 | throw new Exception("Called mysql_fetch_assoc() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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138 | } |
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139 | return $result->fetch_assoc(); |
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140 | } |
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141 | |||
142 | // Liefert ein Objekt mit Feldinformationen aus einem Anfrageergebnis |
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143 | function mysql_fetch_field($result, $field_offset=0) { |
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144 | if (!$result) { |
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145 | $err = mysql_error(); |
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146 | throw new Exception("Called mysql_fetch_field() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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147 | } |
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148 | return $result->fetch_field(); |
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149 | } |
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150 | |||
151 | // Liefert die Länge eines jeden Feldes in einem Ergebnis |
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152 | function mysql_fetch_lengths($result) { |
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153 | if (!$result) { |
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154 | $err = mysql_error(); |
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155 | throw new Exception("Called mysql_fetch_lengths() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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156 | } |
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157 | return $result->lengths; |
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158 | } |
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159 | |||
160 | // Liefert eine Ergebniszeile als Objekt |
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161 | function mysql_fetch_object($result, $class_name="stdClass", $params=null) { |
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162 | if (!$result) { |
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163 | $err = mysql_error(); |
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164 | throw new Exception("Called mysql_fetch_object() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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165 | } |
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166 | if ($params) { |
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167 | return $result->fetch_object($class_name, $params); |
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168 | } else { |
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169 | return $result->fetch_object($class_name); |
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170 | } |
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171 | } |
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172 | |||
173 | // Liefert einen Datensatz als indiziertes Array |
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174 | function mysql_fetch_row($result) { |
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175 | if (!$result) { |
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176 | $err = mysql_error(); |
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177 | throw new Exception("Called mysql_fetch_row() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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178 | } |
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179 | return $result->fetch_row(); |
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180 | } |
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181 | |||
182 | // Liefert die Flags des spezifizierten Feldes in einem Anfrageergebnis |
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183 | function mysql_field_flags($result, $field_offset) { |
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184 | if (!$result) { |
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185 | $err = mysql_error(); |
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186 | throw new Exception("Called mysql_field_flags() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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187 | } |
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188 | return $result->fetch_field_direct($fieldnr)->flags; |
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189 | } |
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190 | |||
191 | // Liefert die Länge des angegebenen Feldes |
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192 | function mysql_field_len($result, $field_offset) { |
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193 | if (!$result) { |
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194 | $err = mysql_error(); |
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195 | throw new Exception("Called mysql_field_len() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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196 | } |
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197 | return $result->fetch_field_direct($fieldnr)->length; |
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198 | } |
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199 | |||
200 | // Liefert den Namen eines Feldes in einem Ergebnis |
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201 | function mysql_field_name($result, $field_offset) { |
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202 | if (!$result) { |
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203 | $err = mysql_error(); |
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204 | throw new Exception("Called mysql_field_name() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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205 | } |
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206 | return $result->fetch_field_direct()->name; //or "orgname" |
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207 | } |
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208 | |||
209 | // Setzt den Ergebniszeiger auf ein bestimmtes Feldoffset |
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210 | function mysql_field_seek($result, $field_offset) { |
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211 | if (!$result) { |
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212 | $err = mysql_error(); |
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213 | throw new Exception("Called mysql_field_seek() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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214 | } |
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215 | return $result->field_seek($field_offset); |
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216 | } |
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217 | |||
218 | // Liefert den Namen der Tabelle, die das genannte Feld enthält |
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219 | function mysql_field_table($result, $field_offset) { |
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220 | if (!$result) { |
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221 | $err = mysql_error(); |
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222 | throw new Exception("Called mysql_field_table() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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223 | } |
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224 | return $result->fetch_field_direct($field_offset)->table; // or "orgtable" |
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225 | } |
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226 | |||
227 | // Liefert den Typ des spezifizierten Feldes in einem Ergebnis |
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228 | function mysql_field_type($result, $field_offset) { |
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229 | if (!$result) { |
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230 | $err = mysql_error(); |
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231 | throw new Exception("Called mysql_field_type() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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232 | } |
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233 | return $result->fetch_field_direct($field_offset)->type; |
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234 | } |
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235 | |||
236 | // Gibt belegten Speicher wieder frei |
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237 | function mysql_free_result($result) { |
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238 | if (!$result) { |
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239 | $err = mysql_error(); |
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240 | throw new Exception("Called mysql_free_result() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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241 | } |
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242 | return $result->free(); |
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243 | } |
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244 | |||
245 | // Liefert MySQL Clientinformationen |
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246 | function mysql_get_client_info() { |
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247 | global $vts_mysqli; |
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248 | return $vts_mysqli->get_client_info(); |
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249 | } |
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250 | |||
251 | // Liefert MySQL Host Informationen |
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252 | function mysql_get_host_info($link_identifier=NULL) { |
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253 | global $vts_mysqli; |
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254 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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255 | if (is_null($li)) throw new Exception("Cannot execute mysql_get_host_info(). No valid connection to server."); |
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256 | |||
257 | return $li->host_info; |
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258 | } |
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259 | |||
260 | // Liefert MySQL Protokollinformationen |
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261 | function mysql_get_proto_info($link_identifier=NULL) { |
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262 | global $vts_mysqli; |
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263 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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264 | if (is_null($li)) throw new Exception("Cannot execute mysql_get_proto_info(). No valid connection to server."); |
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265 | |||
266 | return $li->protocol_version; |
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267 | } |
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268 | |||
269 | // Liefert MySQL Server Informationen |
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270 | function mysql_get_server_info($link_identifier=NULL) { |
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271 | global $vts_mysqli; |
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272 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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273 | if (is_null($li)) throw new Exception("Cannot execute mysql_get_server_info(). No valid connection to server."); |
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274 | |||
275 | return $li->server_info; |
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276 | } |
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277 | |||
278 | // Liefert Informationen über die zuletzt ausgeführte Anfrage zurück |
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279 | function mysql_info($link_identifier=NULL) { |
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280 | global $vts_mysqli; |
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281 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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282 | if (is_null($li)) throw new Exception("Cannot execute mysql_info(). No valid connection to server."); |
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283 | |||
284 | return $li->info; |
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285 | } |
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286 | |||
287 | // Liefert die ID, die in der vorherigen Abfrage erzeugt wurde |
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288 | function mysql_insert_id($link_identifier=NULL) { |
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289 | global $vts_mysqli; |
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290 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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291 | if (is_null($li)) throw new Exception("Cannot execute mysql_insert_id(). No valid connection to server."); |
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292 | |||
293 | return $li->insert_id; |
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294 | } |
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295 | |||
296 | // Auflistung der verfügbaren Datenbanken (Schemata) auf einem MySQL Server |
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297 | function mysql_list_dbs($link_identifier=NULL) { |
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298 | global $vts_mysqli; |
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299 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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300 | if (is_null($li)) throw new Exception("Cannot execute mysql_list_dbs(). No valid connection to server."); |
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301 | |||
302 | return mysql_query('SHOW DATABASES', $li); |
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303 | } |
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304 | |||
305 | // Listet MySQL Tabellenfelder auf |
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306 | function mysql_list_fields($database_name, $table_name, $link_identifier=NULL) { |
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307 | global $vts_mysqli; |
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308 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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309 | if (is_null($li)) throw new Exception("Cannot execute mysql_list_fields(). No valid connection to server."); |
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310 | |||
311 | return mysql_query("SHOW COLUMNS FROM `$database_name`.`$table_name`", $li); |
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312 | } |
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313 | |||
314 | // Zeigt die MySQL Prozesse an |
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315 | function mysql_list_processes($link_identifier=NULL) { |
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316 | global $vts_mysqli; |
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317 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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318 | if (is_null($li)) throw new Exception("Cannot execute mysql_list_processes(). No valid connection to server."); |
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319 | |||
320 | return $li->thread_id; |
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321 | } |
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322 | |||
323 | // Listet Tabellen in einer MySQL Datenbank auf |
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324 | function mysql_list_tables($database, $link_identifier=NULL) { |
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325 | global $vts_mysqli; |
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326 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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327 | if (is_null($li)) throw new Exception("Cannot execute mysql_list_tables(). No valid connection to server."); |
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328 | |||
329 | return mysql_query("SHOW TABLES FROM `$database`", $li); |
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330 | } |
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331 | |||
332 | // Liefert die Anzahl der Felder in einem Ergebnis |
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333 | function mysql_num_fields($result) { |
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334 | if (!$result) { |
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335 | $err = mysql_error(); |
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336 | throw new Exception("Called mysql_num_fields() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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337 | } |
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338 | global $vts_mysqli; |
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339 | return $vts_mysqli->field_count; |
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340 | } |
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341 | |||
342 | // Liefert die Anzahl der Zeilen im Ergebnis |
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343 | function mysql_num_rows($result) { |
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344 | if (!$result) { |
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345 | $err = mysql_error(); |
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346 | throw new Exception("Called mysql_num_rows() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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347 | } |
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348 | return $result->num_rows; |
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349 | } |
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350 | |||
351 | // Öffnet eine persistente Verbindung zum MySQL Server |
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352 | function mysql_pconnect($server=null, $username=null, $password=null, $client_flags=0) { |
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353 | global $vts_mysqli; |
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354 | $ary = explode(':', $server); |
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355 | $host = $ary[0]; |
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356 | $port = isset($ary[1]) ? $ary[1] : ini_get("mysqli.default_port"); |
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357 | if (is_null($server)) $port = ini_get("mysqli.default_host"); |
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358 | if (is_null($username)) $port = ini_get("mysqli.default_user"); |
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359 | if (is_null($password)) $port = ini_get("mysqli.default_password"); |
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360 | $vts_mysqli = new mysqli('p:'.$host, $username, $password, /*dbname*/'', $port, ini_get("mysqli.default_socket")); |
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361 | return (empty($vts_mysqli->connect_error) && ($vts_mysqli->connect_errno == 0)) ? $vts_mysqli : false; |
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362 | } |
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363 | |||
364 | // Ping a server connection or reconnect if there is no connection |
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365 | function mysql_ping($link_identifier=NULL) { |
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366 | global $vts_mysqli; |
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367 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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368 | if (is_null($li)) throw new Exception("Cannot execute mysql_ping(). No valid connection to server."); |
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369 | |||
370 | return $li->ping(); |
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371 | } |
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372 | |||
373 | // Sendet eine Anfrage an MySQL |
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374 | function mysql_query($query, $link_identifier=NULL) { |
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375 | global $vts_mysqli; |
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376 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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377 | if (is_null($li)) throw new Exception("Cannot execute mysql_query(). No valid connection to server."); |
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378 | |||
379 | return $li->query($query, $resultmode=MYSQLI_STORE_RESULT); |
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380 | } |
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381 | |||
382 | // Maskiert spezielle Zeichen innerhalb eines Strings für die Verwendung in einer SQL-Anweisung |
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383 | function mysql_real_escape_string($unescaped_string, $link_identifier=NULL) { |
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384 | global $vts_mysqli; |
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385 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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386 | if (is_null($li)) throw new Exception("Cannot execute mysql_real_escape_string(). No valid connection to server."); |
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387 | |||
388 | return $li->escape_string($unescaped_string); |
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389 | } |
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390 | |||
391 | // Liefert Ergebnis |
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392 | function mysql_result($result, $row, $field=0) { |
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393 | if (!$result) { |
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394 | $err = mysql_error(); |
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395 | throw new Exception("Called mysql_result() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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396 | } |
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397 | $result->data_seek($row); |
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398 | return mysql_fetch_array($result)[$field]; |
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399 | } |
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400 | |||
401 | // Auswahl einer MySQL Datenbank |
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402 | function mysql_select_db($database_name, $link_identifier=NULL) { |
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403 | global $vts_mysqli; |
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404 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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405 | if (is_null($li)) throw new Exception("Cannot execute mysql_select_db(). No valid connection to server."); |
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406 | |||
407 | return $li->select_db($database_name); |
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408 | } |
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409 | |||
410 | // Setzt den Verbindungszeichensatz |
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411 | function mysql_set_charset($charset, $link_identifier=NULL) { |
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412 | global $vts_mysqli; |
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413 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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414 | if (is_null($li)) throw new Exception("Cannot execute mysql_set_charset(). No valid connection to server."); |
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415 | |||
416 | return $li->set_charset($charset); |
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417 | } |
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418 | |||
419 | // Zeigt den momentanen Serverstatus an |
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420 | function mysql_stat($link_identifier=NULL) { |
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421 | global $vts_mysqli; |
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422 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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423 | if (is_null($li)) throw new Exception("Cannot execute mysql_stat(). No valid connection to server."); |
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424 | |||
425 | return $li->stat(); |
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426 | } |
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427 | |||
428 | // Liefert den Namen einer Tabelle |
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429 | function mysql_tablename($result, $i) { |
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430 | if (!$result) { |
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431 | $err = mysql_error(); |
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432 | throw new Exception("Called mysql_tablename() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
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433 | } |
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434 | $result->data_seek($i); |
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435 | return mysql_fetch_array($result)[0]; |
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436 | } |
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437 | |||
438 | // Zeigt die aktuelle Thread ID an |
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439 | function mysql_thread_id($link_identifier=NULL) { |
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440 | global $vts_mysqli; |
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441 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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442 | if (is_null($li)) throw new Exception("Cannot execute mysql_thread_id(). No valid connection to server."); |
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443 | |||
444 | return $li->thread_id; |
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445 | } |
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446 | |||
447 | // Sendet eine SQL Anfrage an MySQL, ohne Ergebniszeilen abzuholen und zu puffern |
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448 | function mysql_unbuffered_query($query, $link_identifier=NULL) { |
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449 | global $vts_mysqli; |
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450 | $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
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451 | if (is_null($li)) throw new Exception("Cannot execute mysql_unbuffered_query(). No valid connection to server."); |
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452 | |||
453 | // http://php.net/manual/de/mysqlinfo.concepts.buffering.php |
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454 | // https://stackoverflow.com/questions/1982016/unbuffered-query-with-mysqli?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa |
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455 | $li->real_query($query); |
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456 | $li->use_result(); |
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457 | } |
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458 |