+<?php

+/***************************************************************************

+ * mysql.php

+ * -------------------

+ * begin : Saturday, Feb 13, 2001

+ * copyright : (C) 2001 The phpBB Group

+ * email : support@phpbb.com

+ *

+ * $Id$

+ *

+ ***************************************************************************/

+

+/***************************************************************************

+ *

+ * This program is free software; you can redistribute it and/or modify

+ * it under the terms of the GNU General Public License as published by

+ * the Free Software Foundation; either version 2 of the License, or

+ * (at your option) any later version.

+ *

+ ***************************************************************************/

+

+if (!defined('SQL_LAYER'))

+{

+

+define('SQL_LAYER', 'mysql');

+

+class sql_db

+{

+ var $db_connect_id;

+ var $query_result;

+ var $return_on_error = false;

+ var $transaction = false;

+ var $sql_report = '';

+ var $sql_time = 0;

+

+ //

+ // Constructor

+ //

+ function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)

+ {

+ $this->open_queries = array();

+ $this->num_queries = 0;

+

+ $this->persistency = $persistency;

+ $this->user = $sqluser;

+ $this->password = $sqlpassword;

+ $this->server = $sqlserver . (($port) ? ':' . $port : '');

+ $this->dbname = $database;

+

+ $this->db_connect_id = ($this->persistency) ? @mysql_pconnect($this->server, $this->user, $this->password) : @mysql_connect($this->server, $this->user, $this->password);

+

+ if ($this->db_connect_id && $this->dbname != '')

+ {

+ if (@mysql_select_db($this->dbname))

+ {

+ return $this->db_connect_id;

+ }

+ }

+

+ $this->sql_error('');

+ }

+

+ //

+ // Other base methods

+ //

+ function sql_close()

+ {

+ if (!$this->db_connect_id)

+ {

+ return false;

+ }

+

+ if (count($this->open_queries))

+ {

+ foreach ($this->open_queries as $query_id)

+ {

+ @mysql_free_result($query_id);

+ }

+ }

+

+ return @mysql_close($this->db_connect_id);

+ }

+

+ function sql_return_on_error($fail = false)

+ {

+ $this->return_on_error = $fail;

+ }

+

+ function sql_num_queries()

+ {

+ return $this->num_queries;

+ }

+

+ function sql_transaction($status = 'begin')

+ {

+ switch ($status)

+ {

+ case 'begin':

+ $this->transaction = true;

+ $result = @mysql_query('BEGIN', $this->db_connect_id);

+ break;

+

+ case 'commit':

+ $this->transaction = false;

+ $result = @mysql_query('COMMIT', $this->db_connect_id);

+ break;

+

+ case 'rollback':

+ $this->transaction = false;

+ $result = @mysql_query('ROLLBACK', $this->db_connect_id);

+ break;

+

+ default:

+ $result = true;

+ }

+

+ return $result;

+ }

+

+ // Base query method

+ function sql_query($query = '', $expire_time = 0)

+ {

+ if ($query != '')

+ {

+ global $cache;

+

+ if (!$expire_time || !$cache->sql_load($query, $expire_time))

+ {

+ if ($expire_time)

+ {

+ $cache_result = true;

+ }

+

+ $this->query_result = false;

+ $this->num_queries++;

+

+ if (!empty($_GET['explain']))

+ {

+ global $starttime;

+

+ $curtime = explode(' ', microtime());

+ $curtime = $curtime[0] + $curtime[1] - $starttime;

+ }

+

+ if (!$this->query_result = @mysql_query($query, $this->db_connect_id))

+ {

+ $this->sql_error($query);

+ }

+

+ if (!empty($_GET['explain']))

+ {

+ $endtime = explode(' ', microtime());

+ $endtime = $endtime[0] + $endtime[1] - $starttime;

+

+ $this->sql_report .= "<pre>Query:\t" . htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n\t", $query)) . "\n\n";

+

+ if ($this->query_result)

+ {

+ $this->sql_report .= "Time before: $curtime\nTime after: $endtime\nElapsed time: <b>" . ($endtime - $curtime) . "</b>\n</pre>";

+ }

+ else

+ {

+ $error = $this->sql_error();

+ $this->sql_report .= '<b>FAILED</b> - MySQL Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']) . '<br><br><pre>';

+ }

+

+ $this->sql_time += $endtime - $curtime;

+

+ if (preg_match('/^SELECT/', $query))

+ {

+ $html_table = FALSE;

+ if ($result = mysql_query("EXPLAIN $query", $this->db_connect_id))

+ {

+ while ($row = mysql_fetch_assoc($result))

+ {

+ if (!$html_table && count($row))

+ {

+ $html_table = TRUE;

+ $this->sql_report .= "<table width=100% border=1 cellpadding=2 cellspacing=1>\n";

+ $this->sql_report .= "<tr>\n<td><b>" . implode("</b></td>\n<td><b>", array_keys($row)) . "</b></td>\n</tr>\n";

+ }

+ $this->sql_report .= "<tr>\n<td>" . implode("&nbsp;</td>\n<td>", array_values($row)) . "&nbsp;</td>\n</tr>\n";

+ }

+ }

+

+ if ($html_table)

+ {

+ $this->sql_report .= '</table><br>';

+ }

+ }

+

+ $this->sql_report .= "<hr>\n";

+ }

+

+ $this->open_queries[] = $this->query_result;

+ }

+

+ if (!empty($cache_result))

+ {

+ $cache->sql_save($query, $this->query_result);

+ @mysql_free_result(array_pop($this->open_queries));

+ }

+ }

+ else

+ {

+ return false;

+ }

+

+ return ($this->query_result) ? $this->query_result : false;

+ }

+

+ // 20030406 Ashe: switched up $total and $offset as per MySQL manual

+ function sql_query_limit($query, $total, $offset = 0, $expire_time = 0)

+ {

+ if ($query != '')

+ {

+ $this->query_result = false;

+ $this->num_queries++;

+

+ // if $total is set to 0 we do not want to limit the number of rows

+ if ($total == 0)

+ {

+ $total = -1;

+ }

+

+ $query .= ' LIMIT ' . ((!empty($offset)) ? $offset . ', ' . $total : $total);

+

+ return $this->sql_query($query, $expire_time);

+ }

+ else

+ {

+ return false;

+ }

+ }

+

+ // Idea for this from Ikonboard

+ function sql_build_array($query, $assoc_ary = false)

+ {

+ if (!is_array($assoc_ary))

+ {

+ return false;

+ }

+

+ $fields = array();

+ $values = array();

+ if ($query == 'INSERT')

+ {

+ foreach ($assoc_ary as $key => $var)

+ {

+ $fields[] = $key;

+

+ if (is_null($var))

+ {

+ $values[] = 'NULL';

+ }

+ elseif (is_string($var))

+ {

+ $values[] = "'" . $this->sql_escape($var) . "'";

+ }

+ else

+ {

+ $values[] = (is_bool($var)) ? intval($var) : $var;

+ }

+ }

+

+ $query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';

+ }

+ else if ($query == 'UPDATE')

+ {

+ $values = array();

+ foreach ($assoc_ary as $key => $var)

+ {

+ if (is_null($var))

+ {

+ $values[] = "$key = NULL";

+ }

+ elseif (is_string($var))

+ {

+ $values[] = "$key = '" . $this->sql_escape($var) . "'";

+ }

+ else

+ {

+ $values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";

+ }

+ }

+ $query = implode(', ', $values);

+ }

+

+ return $query;

+ }

+

+ // Other query methods

+ //

+ // NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...

+ // don't want this here by a middle Milestone

+ function sql_numrows($query_id = false)

+ {

+ if (!$query_id)

+ {

+ $query_id = $this->query_result;

+ }

+

+ return ($query_id) ? @mysql_num_rows($query_id) : false;

+ }

+

+ function sql_affectedrows()

+ {

+ return ($this->db_connect_id) ? @mysql_affected_rows($this->db_connect_id) : false;

+ }

+

+ function sql_fetchrow($query_id = 0)

+ {

+ global $cache;

+

+ if (!$query_id)

+ {

+ $query_id = $this->query_result;

+ }

+

+ if ($cache->sql_exists($query_id))

+ {

+ return $cache->sql_fetchrow($query_id);

+ }

+

+ return ($query_id) ? @mysql_fetch_assoc($query_id) : false;

+ }

+

+ function sql_fetchrowset($query_id = 0)

+ {

+ if (!$query_id)

+ {

+ $query_id = $this->query_result;

+ }

+ if ($query_id)

+ {

+ unset($this->rowset[$query_id]);

+ unset($this->row[$query_id]);

+ while ($this->rowset[$query_id] = $this->sql_fetchrow($query_id))

+ {

+ $result[] = $this->rowset[$query_id];

+ }

+ return $result;

+ }

+ return false;

+ }

+

+ function sql_fetchfield($field, $rownum = -1, $query_id = 0)

+ {

+ if (!$query_id)

+ {

+ $query_id = $this->query_result;

+ }

+ if ($query_id)

+ {

+ if ($rownum > -1)

+ {

+ $result = @mysql_result($query_id, $rownum, $field);

+ }

+ else

+ {

+ if (empty($this->row[$query_id]) && empty($this->rowset[$query_id]))

+ {

+ if ($this->sql_fetchrow())

+ {

+ $result = $this->row[$query_id][$field];

+ }

+ }

+ else

+ {

+ if ($this->rowset[$query_id])

+ {

+ $result = $this->rowset[$query_id][$field];

+ }

+ elseif ($this->row[$query_id])

+ {

+ $result = $this->row[$query_id][$field];

+ }

+ }

+ }

+ return $result;

+ }

+ return false;

+ }

+

+ function sql_rowseek($rownum, $query_id = 0)

+ {

+ if (!$query_id)

+ {

+ $query_id = $this->query_result;

+ }

+

+ return ($query_id) ? @mysql_data_seek($query_id, $rownum) : false;

+ }

+

+ function sql_nextid()

+ {

+ return ($this->db_connect_id) ? @mysql_insert_id($this->db_connect_id) : false;

+ }

+

+ function sql_freeresult($query_id = false)

+ {

+ if (!$query_id)

+ {

+ $query_id = $this->query_result;

+ }

+

+ return ($query_id) ? @mysql_free_result($query_id) : false;

+ }

+

+ function sql_escape($msg)

+ {

+// return str_replace("'", "''", str_replace('\\', '\\\\', $msg));

+ return mysql_escape_string(stripslashes($msg));

+ }

+

+ function sql_error($sql = '')

+ {

+ $result = array(

+ 'message' => @mysql_error(),

+ 'code' => @mysql_errno()

+ );

+

+ if (!$this->return_on_error)

+ {

+ if ($this->transaction)

+ {

+ $this->sql_transaction('rollback');

+ }

+

+ $this_page = (!empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];

+ $this_page .= '&' . ((!empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : $_ENV['QUERY_STRING']);

+

+ $message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @mysql_error() . '<br /><br /><u>CALLING PAGE</u><br /><br />' . $this_page . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';

+ trigger_error($message, E_USER_ERROR);

+ }

+

+

+ return $result;

+ }

+

+} // class sql_db

+

+} // if ... define

+

+?> \ No newline at end of file