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348 lines
7.6 KiB
PHP
348 lines
7.6 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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* $Id$
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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 $return_on_error = false;
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var $transaction = false;
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//
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// Constructor
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//
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function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $port, $persistency = false)
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{
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$this->open_queries = array();
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$this->num_queries = 0;
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$this->persistency = $persistency;
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$this->user = $sqluser;
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$this->password = $sqlpassword;
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$this->server = $sqlserver . ( ( $port ) ? ':' . $port : '' );
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$this->dbname = $database;
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$this->db_connect_id = ( $this->persistency ) ? @mysql_pconnect($this->server, $this->user, $this->password) : @mysql_connect($this->server, $this->user, $this->password);
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if ( $this->db_connect_id && $this->dbname != '')
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{
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if ( @mysql_select_db($this->dbname) )
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{
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return $this->db_connect_id;
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}
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}
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$this->sql_error('');
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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 ( !$this->db_connect_id )
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{
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return false;
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}
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if ( count($this->open_queries) )
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{
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foreach($this->open_queries as $query_id)
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{
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@mysql_free_result($query_id);
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}
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}
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return @mysql_close($this->db_connect_id);
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}
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function sql_return_on_error($fail = false)
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{
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$this->return_on_error = $fail;
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}
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function sql_num_queries()
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{
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return $this->num_queries;
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}
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function sql_transaction($status = 'begin')
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{
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switch ( $status )
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{
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case 'begin':
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$this->transaction = true;
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// $result = mysql_query('BEGIN', $this->db_connect_id);
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break;
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case 'commit':
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$this->transaction = false;
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// $result = mysql_query('COMMIT', $this->db_connect_id);
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break;
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case 'rollback':
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$this->transaction = false;
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// $result = mysql_query('ROLLBACK', $this->db_connect_id);
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break;
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default:
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$result = true;
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}
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return $result;
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}
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//
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// Base query method
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//
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function sql_query($query = '', $transaction = false)
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{
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if ( $query != '' )
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{
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$this->query_result = false;
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$this->num_queries++;
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if ( !($this->query_result = @mysql_query($query, $this->db_connect_id)) )
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{
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$this->sql_error($query);
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}
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$this->open_queries[] = $this->query_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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return ( $this->query_result) ? $this->query_result : ( ( $transaction == END_TRANSACTION ) ? true : false );
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}
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function sql_query_limit($query = '', $total, $offset, $transaction = false)
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{
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if ( $query != '' )
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{
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$this->query_result = false;
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$this->num_queries++;
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if ( !empty($total) )
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{
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$query .= ' LIMIT ' . ( ( !empty($offset) ) ? $offset . ', ' . $total : $total );
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}
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if ( !($this->query_result = @mysql_query($query, $this->db_connect_id)) )
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{
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$this->sql_error($query);
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}
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$this->open_queries[] = $this->query_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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return ( $this->query_result) ? $this->query_result : ( ( $transaction == END_TRANSACTION ) ? true : false );
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}
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// Idea for this from Ikonboard
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function sql_query_array($query = '', $assoc_ary = false, $transaction = false)
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{
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if ( !is_array($assoc_ary) )
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{
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return false;
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}
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if ( strpos(' ' . $query, 'INSERT') == 1 )
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{
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$fields = '';
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$values = '';
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foreach ( $assoc_ary as $key => $var )
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{
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$fields .= ( ( $fields != '' ) ? ', ' : '' ) . $key;
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$values .= ( ( $values != '' ) ? ', ' : '' ) . ( ( is_string($var) ) ? '\'' . str_replace('\'', '\'\'', $var) . '\'' : $var );
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}
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$query = $query . ' (' . $fields . ') VALUES (' . $values . ')';
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}
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else
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{
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$values = '';
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foreach ( $assoc_ary as $key => $var )
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{
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$values .= ( ( $values != '' ) ? ', ' : '' ) . $key . ' = ' . ( ( is_string($var) ) ? '\'' . str_replace('\'', '\'\'', $var) . '\'' : $var );
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}
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$query = preg_replace('/^(.*? SET )(.*?)$/is', '\1' . $values . ' \2', $query);
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}
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return $this->sql_query($query);
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}
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//
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// Other query methods
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//
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// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
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// don't want this here by a middle Milestone
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//
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function sql_numrows($query_id = false)
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{
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if ( !$query_id )
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{
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$query_id = $this->query_result;
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}
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return ( $query_id ) ? @mysql_num_rows($query_id) : false;
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}
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function sql_affectedrows()
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{
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return ( $this->db_connect_id ) ? @mysql_affected_rows($this->db_connect_id) : false;
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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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return ( $query_id ) ? @mysql_fetch_array($query_id) : false;
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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, $query_id = 0)
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{
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if ( !$query_id )
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{
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$query_id = $this->query_result;
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}
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return ( $query_id ) ? @mysql_data_seek($query_id, $rownum) : false;
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}
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function sql_nextid()
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{
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return ( $this->db_connect_id ) ? @mysql_insert_id($this->db_connect_id) : false;
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}
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function sql_freeresult($query_id = false)
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{
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if ( !$query_id )
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{
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$query_id = $this->query_result;
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}
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return ( $query_id ) ? @mysql_free_result($query_id) : false;
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}
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function sql_error($sql = '')
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{
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global $HTTP_SERVER_VARS, $HTTP_ENV_VARS;
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if ( !$this->return_on_error )
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{
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if ( $this->transaction )
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{
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$this->sql_transaction(ROLLBACK);
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}
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$this_page = ( !empty($HTTP_SERVER_VARS['PHP_SELF']) ) ? $HTTP_SERVER_VARS['PHP_SELF'] : $HTTP_ENV_VARS['PHP_SELF'];
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$this_page .= '&' . ( ( !empty($HTTP_SERVER_VARS['QUERY_STRING']) ) ? $HTTP_SERVER_VARS['QUERY_STRING'] : $HTTP_ENV_VARS['QUERY_STRING'] );
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$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @mysql_error() . '<br /><br /><u>PAGE</u><br /><br />' . $this_page . ( ( $sql != '' ) ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '' ) . '<br />';
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message_die(ERROR, $message);
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}
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$result['message'] = @mysql_error();
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$result['code'] = @mysql_errno();
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return $result;
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}
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} // class sql_db
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} // if ... define
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?>
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