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<?php |
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/*************************************************************************** |
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* mysql4.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 : supportphpbb.com |
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* |
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* $Id: mysql4.php,v 1.5.2.1 2005/09/18 16:17:20 acydburn 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","mysql4"); |
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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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var $in_transaction = 0; |
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// |
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// Constructor |
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// |
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function sql_db($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 = $database; |
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$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 ) |
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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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return false; |
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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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// |
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// Commit any remaining transactions |
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// |
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if( $this->in_transaction ) |
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{ |
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mysql_query("COMMIT", $this->db_connect_id); |
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} |
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return mysql_close($this->db_connect_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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// |
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// Base query method |
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// |
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function sql_query($query = "", $transaction = FALSE) |
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{ |
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// |
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// Remove any pre-existing queries |
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// |
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unset($this->query_result); |
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if( $query != "" ) |
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{ |
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$this->num_queries++; |
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if( $transaction == BEGIN_TRANSACTION && !$this->in_transaction ) |
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{ |
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$result = mysql_query("BEGIN", $this->db_connect_id); |
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if(!$result) |
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{ |
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return false; |
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} |
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$this->in_transaction = TRUE; |
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} |
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$this->query_result = mysql_query($query, $this->db_connect_id); |
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} |
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else |
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{ |
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if( $transaction == END_TRANSACTION && $this->in_transaction ) |
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{ |
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$result = mysql_query("COMMIT", $this->db_connect_id); |
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} |
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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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if( $transaction == END_TRANSACTION && $this->in_transaction ) |
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{ |
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$this->in_transaction = FALSE; |
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if ( !mysql_query("COMMIT", $this->db_connect_id) ) |
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{ |
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mysql_query("ROLLBACK", $this->db_connect_id); |
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return false; |
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} |
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} |
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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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if( $this->in_transaction ) |
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{ |
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mysql_query("ROLLBACK", $this->db_connect_id); |
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$this->in_transaction = FALSE; |
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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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// 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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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_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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return ( $query_id ) ? mysql_num_fields($query_id) : false; |
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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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return ( $query_id ) ? mysql_field_name($query_id, $offset) : false; |
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} |
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function sql_fieldtype($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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return ( $query_id ) ? mysql_field_type($query_id, $offset) : false; |
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} |
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function sql_fetchrow($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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if( $query_id ) |
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{ |
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$this->row[$query_id] = mysql_fetch_array($query_id, MYSQL_ASSOC); |
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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, MYSQL_ASSOC)) |
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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][0][$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($query_id = 0) |
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{ |
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if( !$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->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() |
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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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} // if ... define |
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?> |