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134 lines
3.0 KiB
PHP
134 lines
3.0 KiB
PHP
<?php
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/*
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* Session Management for PHP3
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*
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* Copyright (c) 1998,1999 SH Online Dienst GmbH
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* Boris Erdmann, Kristian Koehntopp
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*
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* Adapted from db_mysql.inc by Sascha Schumann <sascha@schumann.cx>
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*
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* metadata() contributed by Adelino Monteiro <adelino@infologia.pt>
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*
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* $Id$
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*
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*/
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class db {
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var $Host = "";
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var $Database = "";
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var $User = "";
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var $Password = "";
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var $Link_ID = 0;
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var $Query_ID = 0;
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var $Record = array();
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var $Row;
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var $Auto_Free = 0; ## Set this to 1 for automatic sybase_free_result()
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function connect() {
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if ( 0 == $this->Link_ID ) {
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$this->Link_ID=sybase_pconnect($this->Host,$this->User,$this->Password);
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if (!$this->Link_ID) {
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$this->halt("Link-ID == false, pconnect failed");
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}
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if(!sybase_select_db($this->Database, $this->Link_ID)) {
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$this->halt("cannot use database ".$this->Database);
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}
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}
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}
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function query($Query_String) {
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$this->connect();
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# printf("Debug: query = %s<br>\n", $Query_String);
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$this->Query_ID = sybase_query($Query_String,$this->Link_ID);
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$this->Row = 0;
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if (!$this->Query_ID) {
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$this->halt("Invalid SQL: ".$Query_String);
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}
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return $this->Query_ID;
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}
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function next_record() {
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$this->Record = sybase_fetch_array($this->Query_ID);
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$this->Row += 1;
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$stat = is_array($this->Record);
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if (!$stat && $this->Auto_Free) {
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sybase_free_result($this->Query_ID);
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$this->Query_ID = 0;
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}
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return $stat;
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}
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function seek($pos) {
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$status = sybase_data_seek($this->Query_ID, $pos);
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if ($status)
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$this->Row = $pos;
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return;
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}
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function metadata($table) {
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$count = 0;
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$id = 0;
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$res = array();
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$this->connect();
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$result = $this->query("exec sp_columns $table");
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if ($result < 0) {
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$this->Errno = 1;
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$this->Error = "Metadata query failed";
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$this->halt("Metadata query failed.");
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}
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$count = sybase_num_rows($result);
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for ($i=0; $i<$count; $i++) {
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$res[$i]["table"] = $table ;
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$res[$i]["name"] = sybase_result ($result, $i, "COLUMN_NAME");
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$res[$i]["type"] = sybase_result ($result, $i, "TYPE_NAME");
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$res[$i]["len"] = sybase_result ($result, $i, "LENGTH");
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$res[$i]["position"] = sybase_result ($result, $i, "ORDINAL_POSITION");
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$res[$i]["flags"] = sybase_result ($result, $i, "REMARKS");
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}
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}
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function affected_rows() {
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return sybase_affected_rows($this->Query_ID);
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}
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function num_rows() {
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return sybase_num_rows($this->Query_ID);
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}
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function num_fields() {
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return sybase_num_fields($this->Query_ID);
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}
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function nf() {
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return $this->num_rows();
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}
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function np() {
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print $this->num_rows();
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}
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function f($Name) {
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return $this->Record[$Name];
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}
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function p($Name) {
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print $this->Record[$Name];
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}
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function halt($msg) {
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printf("<b>Database error:</b> %s<br>\n", $msg);
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printf("<b>Sybase Error</b><br>\n");
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die("Session halted.");
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}
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}
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?>
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