| 0,0 → 1,458 |
|---|
| <?php |
| |
| // TODO: test everything |
| // TODO: return values? |
| // 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 |
| |
| $vts_mysqli = null; |
| |
| // Liefert die Anzahl betroffener Datensätze einer vorhergehenden MySQL Operation |
| function mysql_affected_rows($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_affected_rows(). No valid connection to server."); |
| |
| return $li->affected_rows; |
| } |
| |
| // Liefert den Namen des Zeichensatzes |
| function mysql_client_encoding($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_client_encoding(). No valid connection to server."); |
| |
| return $li->character_set_name(); |
| } |
| |
| // Schließt eine Verbindung zu MySQL |
| function mysql_close($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_close(). No valid connection to server."); |
| |
| return $li->close(); |
| } |
| |
| // Öffnet eine Verbindung zu einem MySQL-Server |
| function mysql_connect($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)) ? $vts_mysqli : false; |
| } |
| |
| // Anlegen einer MySQL-Datenbank |
| function mysql_create_db($database_name, $link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_create_db(). No valid connection to server."); |
| |
| return mysql_query("CREATE DATABASE `$database_name`", $li) !== false; |
| } |
| |
| // Bewegt den internen Ergebnis-Zeiger |
| function mysql_data_seek($result, $row_number) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_data_seek() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->data_seek($offset) !== false; |
| } |
| |
| // Liefert Schema Namen vom Aufruf von mysql_list_dbs |
| function mysql_db_name($result, $row, $field=NULL) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_db_name() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| $result->data_seek($row); |
| return mysql_fetch_array($result)[is_null($field) ? 0 : $field]; |
| } |
| |
| // Selektiert ein Schema und führt in ihm Anfrage aus |
| function mysql_db_query($database, $query, $link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_db_query(). No valid connection to server."); |
| |
| mysql_select_db($database, $li); |
| return mysql_query($query, $li); |
| // Note: The mysql_*() implementation defines, that we will not jump back to our original DB |
| } |
| |
| // Löschen eines Schemas |
| function mysql_drop_db($database_name, $link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_drop_db(). No valid connection to server."); |
| |
| return mysql_query("DROP DATABASE `$database_name`", $li) !== false; |
| } |
| |
| // Liefert die Nummer einer Fehlermeldung einer zuvor ausgeführten MySQL Operation |
| function mysql_errno($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_errno(). No valid connection to server."); |
| |
| return !empty($li->connect_errno) ? $li->connect_errno : $li->errno; |
| } |
| |
| // Liefert den Fehlertext der zuvor ausgeführten MySQL Operation |
| function mysql_error($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_error(). No valid connection to server."); |
| |
| return !empty($li->connect_error) ? $li->connect_error : $li->error; |
| } |
| |
| // Maskiert einen String zur Benutzung in einer MySQL Abfrage |
| function mysql_escape_string($unescaped_string) { |
| global $vts_mysqli; |
| return $vts_mysqli->real_escape_string($unescaped_string); |
| } |
| |
| // Liefert einen Datensatz als assoziatives Array, als numerisches Array oder beides |
| define('MYSQL_ASSOC', MYSQLI_ASSOC); |
| define('MYSQL_NUM', MYSQLI_NUM); |
| define('MYSQL_BOTH', MYSQLI_BOTH); |
| function mysql_fetch_array($result, $result_type=MYSQL_BOTH) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_fetch_array() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->fetch_array($result_type); |
| } |
| |
| // Liefert einen Datensatz als assoziatives Array |
| function mysql_fetch_assoc($result) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_fetch_assoc() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->fetch_assoc(); |
| } |
| |
| // Liefert ein Objekt mit Feldinformationen aus einem Anfrageergebnis |
| function mysql_fetch_field($result, $field_offset=0) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_fetch_field() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->fetch_field(); |
| } |
| |
| // Liefert die Länge eines jeden Feldes in einem Ergebnis |
| function mysql_fetch_lengths($result) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_fetch_lengths() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->lengths; |
| } |
| |
| // Liefert eine Ergebniszeile als Objekt |
| function mysql_fetch_object($result, $class_name="stdClass", $params=null) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_fetch_object() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| if ($params) { |
| return $result->fetch_object($class_name, $params); |
| } else { |
| return $result->fetch_object($class_name); |
| } |
| } |
| |
| // Liefert einen Datensatz als indiziertes Array |
| function mysql_fetch_row($result) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_fetch_row() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->fetch_row(); |
| } |
| |
| // Liefert die Flags des spezifizierten Feldes in einem Anfrageergebnis |
| function mysql_field_flags($result, $field_offset) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_field_flags() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->fetch_field_direct($fieldnr)->flags; |
| } |
| |
| // Liefert die Länge des angegebenen Feldes |
| function mysql_field_len($result, $field_offset) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_field_len() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->fetch_field_direct($fieldnr)->length; |
| } |
| |
| // Liefert den Namen eines Feldes in einem Ergebnis |
| function mysql_field_name($result, $field_offset) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_field_name() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->fetch_field_direct()->name; //or "orgname" |
| } |
| |
| // Setzt den Ergebniszeiger auf ein bestimmtes Feldoffset |
| function mysql_field_seek($result, $field_offset) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_field_seek() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->field_seek($field_offset); |
| } |
| |
| // Liefert den Namen der Tabelle, die das genannte Feld enthält |
| function mysql_field_table($result, $field_offset) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_field_table() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->fetch_field_direct($field_offset)->table; // or "orgtable" |
| } |
| |
| // Liefert den Typ des spezifizierten Feldes in einem Ergebnis |
| function mysql_field_type($result, $field_offset) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_field_type() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->fetch_field_direct($field_offset)->type; |
| } |
| |
| // Gibt belegten Speicher wieder frei |
| function mysql_free_result($result) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_free_result() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->free(); |
| } |
| |
| // Liefert MySQL Clientinformationen |
| function mysql_get_client_info() { |
| global $vts_mysqli; |
| return $vts_mysqli->get_client_info(); |
| } |
| |
| // Liefert MySQL Host Informationen |
| function mysql_get_host_info($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_get_host_info(). No valid connection to server."); |
| |
| return $li->host_info; |
| } |
| |
| // Liefert MySQL Protokollinformationen |
| function mysql_get_proto_info($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_get_proto_info(). No valid connection to server."); |
| |
| return $li->protocol_version; |
| } |
| |
| // Liefert MySQL Server Informationen |
| function mysql_get_server_info($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_get_server_info(). No valid connection to server."); |
| |
| return $li->server_info; |
| } |
| |
| // Liefert Informationen über die zuletzt ausgeführte Anfrage zurück |
| function mysql_info($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_info(). No valid connection to server."); |
| |
| return $li->info; |
| } |
| |
| // Liefert die ID, die in der vorherigen Abfrage erzeugt wurde |
| function mysql_insert_id($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_insert_id(). No valid connection to server."); |
| |
| return $li->insert_id; |
| } |
| |
| // Auflistung der verfügbaren Datenbanken (Schemata) auf einem MySQL Server |
| function mysql_list_dbs($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_list_dbs(). No valid connection to server."); |
| |
| return mysql_query('SHOW DATABASES', $li); |
| } |
| |
| // Listet MySQL Tabellenfelder auf |
| function mysql_list_fields($database_name, $table_name, $link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_list_fields(). No valid connection to server."); |
| |
| return mysql_query("SHOW COLUMNS FROM `$database_name`.`$table_name`", $li); |
| } |
| |
| // Zeigt die MySQL Prozesse an |
| function mysql_list_processes($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_list_processes(). No valid connection to server."); |
| |
| return $li->thread_id; |
| } |
| |
| // Listet Tabellen in einer MySQL Datenbank auf |
| function mysql_list_tables($database, $link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_list_tables(). No valid connection to server."); |
| |
| return mysql_query("SHOW TABLES FROM `$database`", $li); |
| } |
| |
| // Liefert die Anzahl der Felder in einem Ergebnis |
| function mysql_num_fields($result) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_num_fields() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| global $vts_mysqli; |
| return $vts_mysqli->field_count; |
| } |
| |
| // Liefert die Anzahl der Zeilen im Ergebnis |
| function mysql_num_rows($result) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_num_rows() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| return $result->num_rows; |
| } |
| |
| // Öffnet eine persistente Verbindung zum MySQL Server |
| function mysql_pconnect($server=null, $username=null, $password=null, $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"); |
| $vts_mysqli = new mysqli('p:'.$host, $username, $password, /*dbname*/'', $port, ini_get("mysqli.default_socket")); |
| return (empty($vts_mysqli->connect_error) && ($vts_mysqli->connect_errno == 0)) ? $vts_mysqli : false; |
| } |
| |
| // Ping a server connection or reconnect if there is no connection |
| function mysql_ping($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_ping(). No valid connection to server."); |
| |
| return $li->ping(); |
| } |
| |
| // Sendet eine Anfrage an MySQL |
| function mysql_query($query, $link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_query(). No valid connection to server."); |
| |
| return $li->query($query, $resultmode=MYSQLI_STORE_RESULT); |
| } |
| |
| // Maskiert spezielle Zeichen innerhalb eines Strings für die Verwendung in einer SQL-Anweisung |
| function mysql_real_escape_string($unescaped_string, $link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_real_escape_string(). No valid connection to server."); |
| |
| return $li->escape_string($unescaped_string); |
| } |
| |
| // Liefert Ergebnis |
| function mysql_result($result, $row, $field=0) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_result() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| $result->data_seek($row); |
| return mysql_fetch_array($result)[$field]; |
| } |
| |
| // Auswahl einer MySQL Datenbank |
| function mysql_select_db($database_name, $link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_select_db(). No valid connection to server."); |
| |
| return $li->select_db($database_name); |
| } |
| |
| // Setzt den Verbindungszeichensatz |
| function mysql_set_charset($charset, $link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_set_charset(). No valid connection to server."); |
| |
| return $li->set_charset($charset); |
| } |
| |
| // Zeigt den momentanen Serverstatus an |
| function mysql_stat($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_stat(). No valid connection to server."); |
| |
| return $li->stat(); |
| } |
| |
| // Liefert den Namen einer Tabelle |
| function mysql_tablename($result, $i) { |
| if (!$result) { |
| $err = mysql_error(); |
| throw new Exception("Called mysql_tablename() with an erroneous argument.".($err == '' ? '' : " Possible cause: $err")); |
| } |
| $result->data_seek($i); |
| return mysql_fetch_array($result)[0]; |
| } |
| |
| // Zeigt die aktuelle Thread ID an |
| function mysql_thread_id($link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_thread_id(). No valid connection to server."); |
| |
| return $li->thread_id; |
| } |
| |
| // Sendet eine SQL Anfrage an MySQL, ohne Ergebniszeilen abzuholen und zu puffern |
| function mysql_unbuffered_query($query, $link_identifier=NULL) { |
| global $vts_mysqli; |
| $li = is_null($link_identifier) ? $vts_mysqli : $link_identifier; |
| if (is_null($li)) throw new Exception("Cannot execute mysql_unbuffered_query(). No valid connection to server."); |
| |
| // http://php.net/manual/de/mysqlinfo.concepts.buffering.php |
| // https://stackoverflow.com/questions/1982016/unbuffered-query-with-mysqli?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa |
| $li->real_query($query); |
| $li->use_result(); |
| } |
| |