381 lines
7.2 KiB
PHP
381 lines
7.2 KiB
PHP
<?php
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/***************************************************************************
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* mysql.php
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* -------------------
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* begin : Saturday, Feb 13, 2001
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* copyright : (C) 2001 The phpBB Group
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* email : support@phpbb.com
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*
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* $Id: functions_mysql.php,v 1.2 2006/07/06 15:17:22 powles Exp $
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*
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***************************************************************************/
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/***************************************************************************
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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***************************************************************************/
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if(!defined("SQL_LAYER"))
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{
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define("SQL_LAYER","mysql");
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class sql_db
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{
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var $db_connect_id;
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var $query_result;
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var $row = array();
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var $rowset = array();
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var $num_queries = 0;
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//
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// Constructor
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//
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function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $persistency = true)
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{
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$this->persistency = $persistency;
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$this->user = $sqluser;
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$this->password = $sqlpassword;
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$this->server = $sqlserver;
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$this->dbname = $database;
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if($this->persistency)
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{
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$this->db_connect_id = mysql_pconnect($this->server, $this->user, $this->password);
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}
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else
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{
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$this->db_connect_id = mysql_connect($this->server, $this->user, $this->password);
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}
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if($this->db_connect_id)
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{
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if($database != "")
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{
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$this->dbname = $database;
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$dbselect = mysql_select_db($this->dbname);
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if(!$dbselect)
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{
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mysql_close($this->db_connect_id);
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$this->db_connect_id = $dbselect;
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}
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}
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return $this->db_connect_id;
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}
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else
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{
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echo "Connection to mySQL failed!";
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exit;
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}
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}
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//
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// Other base methods
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//
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function sql_close()
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{
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if($this->db_connect_id)
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{
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if($this->query_result)
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{
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@mysql_free_result($this->query_result);
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}
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$result = mysql_close($this->db_connect_id);
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return $result;
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}
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else
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{
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return false;
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}
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}
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//
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// Base query method
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//
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function sql_query($query = "", $transaction = FALSE)
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{
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// Remove any pre-existing queries
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unset($this->query_result);
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if($query != "")
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{
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nt_common_add_debug($query);
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$this->num_queries++;
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$this->query_result = mysql_query($query, $this->db_connect_id);
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}
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if($this->query_result)
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{
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unset($this->row[$this->query_result]);
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unset($this->rowset[$this->query_result]);
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return $this->query_result;
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}
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else
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{
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return ( $transaction == 'END_TRANSACTION' ) ? true : false;
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}
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}
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function sql_select_db($dbname)
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{
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if($this->db_connect_id)
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{
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$result = mysql_select_db($dbname, $this->db_connect_id);
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return $result;
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}
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return false;
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}
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function sql_reselect_db()
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{
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if($this->db_connect_id)
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{
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$result = mysql_select_db($this->dbname, $this->db_connect_id);
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return $result;
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}
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return false;
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}
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//
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// Other query methods
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//
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function sql_numrows($query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$result = mysql_num_rows($query_id);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_affectedrows()
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{
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if($this->db_connect_id)
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{
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$result = mysql_affected_rows($this->db_connect_id);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_numfields($query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$result = mysql_num_fields($query_id);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_fieldname($offset, $query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$result = mysql_field_name($query_id, $offset);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_fieldtype($offset, $query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$result = mysql_field_type($query_id, $offset);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_fetchrow($query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$this->row[$query_id] = mysql_fetch_array($query_id);
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return $this->row[$query_id];
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}
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else
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{
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return false;
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}
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}
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function sql_fetchrowset($query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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unset($this->rowset[$query_id]);
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unset($this->row[$query_id]);
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while($this->rowset[$query_id] = mysql_fetch_array($query_id))
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{
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$result[] = $this->rowset[$query_id];
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}
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_fetchfield($field, $rownum = -1, $query_id = 0)
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{
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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if($rownum > -1)
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{
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$result = mysql_result($query_id, $rownum, $field);
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}
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else
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{
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if(empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
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{
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if($this->sql_fetchrow())
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{
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$result = $this->row[$query_id][$field];
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}
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}
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else
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{
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if($this->rowset[$query_id])
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{
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$result = $this->rowset[$query_id][$field];
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}
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else if($this->row[$query_id])
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{
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$result = $this->row[$query_id][$field];
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}
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}
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}
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_rowseek($rownum, $query_id = 0){
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if($query_id)
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{
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$result = mysql_data_seek($query_id, $rownum);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_nextid(){
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if($this->db_connect_id)
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{
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$result = mysql_insert_id($this->db_connect_id);
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return $result;
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}
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else
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{
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return false;
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}
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}
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function sql_freeresult($query_id = 0){
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if(!$query_id)
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{
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$query_id = $this->query_result;
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}
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if ( $query_id )
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{
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unset($this->row[$query_id]);
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unset($this->rowset[$query_id]);
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@mysql_free_result($query_id);
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return true;
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}
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else
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{
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return false;
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}
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}
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function sql_error($query_id = 0)
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{
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$result["message"] = mysql_error($this->db_connect_id);
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$result["code"] = mysql_errno($this->db_connect_id);
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return $result;
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}
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} // class sql_db
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class sql_db_string extends sql_db
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{
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//
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// Constructor ($connstring format : mysql://user:password@host/dbname)
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//
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function sql_db_string($connstring, $persistency = true)
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{
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$ret = false;
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if ($connstring != '')
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{
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if (ereg("^mysql\:\/\/([^\:]+)\:([^\@]+)\@([^\\]+)\/([^\/]+)[\/]?$", $connstring, $params))
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{
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$sqlserver = $params[3];
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$sqluser = $params[1];
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$sqlpassword = $params[2];
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$database = $params[4];
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$ret = $this->sql_db($sqlserver, $sqluser, $sqlpassword, $database, $persistency);
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}
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}
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return $ret;
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}
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} // class sql_db_string
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} // if ... define
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?>
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