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<?php
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/*
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+--------------------------------------------------------------------------
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| IBFORUMS v1
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| ========================================
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| by Matthew Mecham and David Baxter
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| (c) 2001,2002 IBForums
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| http://www.ibforums.com
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| ========================================
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| Web: http://www.ibforums.com
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| Email: phpboards@ibforums.com
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| Licence Info: phpib-licence@ibforums.com
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+---------------------------------------------------------------------------
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|
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| > mySQL DB abstraction module
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| > Module written by Matt Mecham
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| > Date started: 14th February 2002
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| > Module Version Number: 1.0.0
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+--------------------------------------------------------------------------
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*/
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class db_driver {
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var $obj = array ( "sql_database" => "" ,
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"sql_user" => "root" ,
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"sql_pass" => "" ,
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"sql_host" => "localhost",
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"sql_port" => "" ,
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"persistent" => "0" ,
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"sql_tbl_prefix" => "ibf_" ,
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"cached_queries" => array(),
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);
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var $query_id = "";
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var $connection_id = "";
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var $query_count = 0;
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var $record_row = array();
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/*========================================================================*/
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// Connect to the database
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/*========================================================================*/
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function connect() {
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if ($this->obj['persistent'])
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{
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$this->connection_id = mysql_pconnect( $this->obj['sql_host'] ,
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$this->obj['sql_user'] ,
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$this->obj['sql_pass']
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);
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}
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else
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{
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$this->connection_id = mysql_connect( $this->obj['sql_host'] ,
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$this->obj['sql_user'] ,
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$this->obj['sql_pass']
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);
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}
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if ( !mysql_select_db($this->obj['sql_database'], $this->connection_id) )
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{
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echo ("ERROR: Cannot find database ".$this->obj['sql_database']);
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}
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}
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/*========================================================================*/
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// Process a query
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/*========================================================================*/
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function query($the_query) {
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//--------------------------------------
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// Change the table prefix if needed
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//--------------------------------------
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if ($this->obj['sql_tbl_prefix'] != "ibf_")
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{
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$the_query = preg_replace("/ibf_(\S+?)([\s\.,]|$)/", $this->obj['sql_tbl_prefix']."\\1\\2", $the_query);
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}
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$this->query_id = mysql_query($the_query, $this->connection_id);
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if (! $this->query_id )
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{
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$this->fatal_error("mySQL query error: $the_query");
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}
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$this->query_count++;
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$this->obj['cached_queries'][] = $the_query;
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return $this->query_id;
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}
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/*========================================================================*/
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// Fetch a row based on the last query
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/*========================================================================*/
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function fetch_row($query_id = "") {
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if ($query_id == "")
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{
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$query_id = $this->query_id;
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}
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$this->record_row = mysql_fetch_array($query_id, MYSQL_ASSOC);
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return $this->record_row;
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}
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/*========================================================================*/
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// Fetch the number of rows affected by the last query
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/*========================================================================*/
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function get_affected_rows() {
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return mysql_affected_rows($this->connection_id);
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}
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/*========================================================================*/
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// Fetch the number of rows in a result set
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/*========================================================================*/
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function get_num_rows() {
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return mysql_num_rows($this->query_id);
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}
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/*========================================================================*/
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// Fetch the last insert id from an sql autoincrement
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/*========================================================================*/
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function get_insert_id() {
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return mysql_insert_id($this->connection_id);
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}
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/*========================================================================*/
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// Return the amount of queries used
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/*========================================================================*/
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function get_query_cnt() {
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return $this->query_count;
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}
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/*========================================================================*/
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// Free the result set from mySQLs memory
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/*========================================================================*/
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function free_result($query_id="") {
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if ($query_id == "") {
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$query_id = $this->query_id;
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}
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@mysql_free_result($query_id);
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}
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/*========================================================================*/
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// Shut down the database
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/*========================================================================*/
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function close_db() {
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return mysql_close($this->connection_id);
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}
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/*========================================================================*/
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// Basic error handler
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/*========================================================================*/
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function fatal_error($the_error) {
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global $INFO;
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$the_error .= "\n\nmySQL error: ".mysql_error()."\n";
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$the_error .= "mySQL error code: ".mysql_errno()."\n";
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$the_error .= "Date: ".date("l dS of F Y h:i:s A");
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$out = "<html><head><title>Invision Board Database Error</title>
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<style>P,BODY{ font-family:arial,sans-serif; font-size:11px; }</style></head><body>
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<br><br><blockquote><b>There appears to be an error with the {$INFO['board_name']} database.</b><br>
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You can try to refresh the page by clicking <a href=\"javascript:window.location=window.location;\">here</a>, if this
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does not fix the error, you can contact the board administrator by clicking <a href='mailto:{$INFO['email_in']}?subject=SQL+Error'>here</a>
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<br><br><b>Error Returned</b><br>
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<form name='mysql'><textarea rows=\"15\" cols=\"60\">".htmlspecialchars($the_error)."</textarea></form><br>We apologise for any inconvenience</blockquote></body></html>";
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echo($out);
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die("");
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}
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/*========================================================================*/
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// Create an array from a multidimensional array returning formatted
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// strings ready to use in an INSERT query, saves having to manually format
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// the (INSERT INTO table) ('field', 'field', 'field') VALUES ('val', 'val')
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/*========================================================================*/
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function compile_db_insert_string($data) {
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$field_names = "";
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$field_values = "";
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foreach ($data as $k => $v) {
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$v = preg_replace( "/'/", "\\'", $v );
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$field_names .= "$k,";
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$field_values .= "'$v',";
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}
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$field_names = preg_replace( "/,$/" , "" , $field_names );
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$field_values = preg_replace( "/,$/" , "" , $field_values );
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return array( 'FIELD_NAMES' => $field_names,
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'FIELD_VALUES' => $field_values,
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);
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}
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/*========================================================================*/
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// Create an array from a multidimensional array returning a formatted
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// string ready to use in an UPDATE query, saves having to manually format
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// the FIELD='val', FIELD='val', FIELD='val'
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/*========================================================================*/
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function compile_db_update_string($data) {
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$return_string = "";
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foreach ($data as $k => $v) {
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$v = preg_replace( "/'/", "\\'", $v );
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$return_string .= $k . "='".$v."',";
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}
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$return_string = preg_replace( "/,$/" , "" , $return_string );
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return $return_string;
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}
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} // end class
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?>
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