566 lines
15 KiB
PHP
566 lines
15 KiB
PHP
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<?php
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/**
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*
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* @package dbal_mysqli
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* @version $Id: mysqli.php,v 1.4 2006/02/10 01:30:19 scronide Exp $
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* @copyright (c) 2005 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* @ignore
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*/
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if (!defined('SQL_LAYER'))
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{
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define('SQL_LAYER', 'mysqli');
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/**
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* @package dbal_mysqli
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* MySQLi Database Abstraction Layer
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* Minimum Requirement is MySQL 4.1+ and the mysqli-extension
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*/
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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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var $sql_time = 0;
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var $num_queries = 0;
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var $open_queries = array();
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var $indexed = 0;
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function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
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{
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$this->persistency = $persistency;
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$this->user = $sqluser;
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$this->server = $sqlserver . (($port) ? ':' . $port : '');
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$this->dbname = $database;
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$this->db_connect_id = ($this->persistency) ? @mysqli_pconnect($this->server, $this->user, $sqlpassword) : @mysqli_connect($this->server, $this->user, $sqlpassword);
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if ($this->db_connect_id && $this->dbname != '')
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{
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if (@mysqli_select_db($this->db_connect_id, $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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return $this->sql_error('');
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}
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//
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// Other base methods
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//
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function sql_close()
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{
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if (!$this->db_connect_id)
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{
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return false;
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}
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if ($this->transaction)
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{
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@mysqli_commit($this->db_connect_id);
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}
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return @mysqli_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 ($status)
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{
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case 'begin':
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$result = @mysqli_autocommit($this->db_connect_id, false);
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$this->transaction = true;
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break;
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case 'commit':
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$result = @mysqli_commit($this->db_connect_id);
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@mysqli_autocommit($this->db_connect_id, true);
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$this->transaction = false;
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if (!$result)
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{
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@mysqli_rollback($this->db_connect_id);
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@mysqli_autocommit($this->db_connect_id, true);
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}
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break;
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case 'rollback':
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$result = @mysqli_rollback($this->db_connect_id);
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@mysqli_autocommit($this->db_connect_id, true);
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$this->transaction = false;
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break;
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default:
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$result = true;
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}
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return $result;
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}
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// Base query method
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function sql_query($query = '', $cache_ttl = 0)
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{
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if ($query != '')
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{
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global $cache;
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// EXPLAIN only in extra debug mode
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if (defined('DEBUG_EXTRA'))
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{
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$this->sql_report('start', $query);
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}
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$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
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if (!$this->query_result)
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{
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$this->num_queries++;
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if (($this->query_result = @mysqli_query($this->db_connect_id, $query)) === false)
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{
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$this->sql_error($query);
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}
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if (is_object($this->query_result))
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{
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$this->query_result->cur_index = $this->indexed++;
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}
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if (defined('DEBUG_EXTRA'))
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{
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$this->sql_report('stop', $query);
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}
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if ($cache_ttl && method_exists($cache, 'sql_save'))
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{
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$cache->sql_save($query, $this->query_result, $cache_ttl);
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}
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}
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else if (defined('DEBUG_EXTRA'))
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{
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$this->sql_report('fromcache', $query);
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}
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}
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else
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{
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return false;
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}
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return ($this->query_result) ? $this->query_result : false;
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}
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function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) {
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if ($query != '') {
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$this->query_result = false;
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// only limit the number of rows if $total is greater than 0
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if ($total > 0)
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$query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);
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return $this->sql_query($query, $cache_ttl);
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} else {
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return false;
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}
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}
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// Idea for this from Ikonboard
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function sql_build_array($query, $assoc_ary = false)
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{
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if (!is_array($assoc_ary))
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{
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return false;
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}
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$fields = array();
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$values = array();
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if ($query == 'INSERT')
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{
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foreach ($assoc_ary as $key => $var)
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{
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$fields[] = $key;
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if (is_null($var))
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{
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$values[] = 'NULL';
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}
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elseif (is_string($var))
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{
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$values[] = "'" . $this->sql_escape($var) . "'";
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}
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else
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{
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$values[] = (is_bool($var)) ? intval($var) : $var;
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}
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}
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$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
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}
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else if ($query == 'UPDATE' || $query == 'SELECT')
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{
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$values = array();
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foreach ($assoc_ary as $key => $var)
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{
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if (is_null($var))
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{
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$values[] = "$key = NULL";
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}
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elseif (is_string($var))
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{
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$values[] = "$key = '" . $this->sql_escape($var) . "'";
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}
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else
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{
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$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
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}
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}
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$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
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}
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return $query;
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}
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// Other query methods
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//
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// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
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// don't want this here by a middle Milestone
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function sql_numrows($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) ? @mysqli_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) ? @mysqli_affected_rows($this->db_connect_id) : false;
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}
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function sql_fetchrow($query_id = false)
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{
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global $cache;
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if (!$query_id)
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{
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$query_id = $this->query_result;
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}
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if (!is_object($query_id) && isset($cache->sql_rowset[$query_id]))
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{
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return $cache->sql_fetchrow($query_id);
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}
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return ($query_id) ? @mysqli_fetch_assoc($query_id) : false;
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}
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function sql_fetchrowset($query_id = false)
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{
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if (!$query_id)
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{
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$query_id = $this->query_result;
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}
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if ($query_id)
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{
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$cur_index = (is_object($query_id)) ? $query_id->cur_index : $query_id;
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unset($this->rowset[$cur_index]);
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unset($this->row[$cur_index]);
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$result = array();
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while ($this->rowset[$cur_index] = $this->sql_fetchrow($query_id))
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{
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$result[] = $this->rowset[$cur_index];
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}
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return $result;
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}
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return false;
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}
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function sql_fetchfield($field, $rownum = -1, $query_id = false)
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{
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if (!$query_id)
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{
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$query_id = $this->query_result;
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}
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if ($query_id)
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{
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if ($rownum > -1)
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{
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@mysqli_data_seek($query_id, $rownum);
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$row = @mysqli_fetch_assoc($query_id);
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$result = isset($row[$field]) ? $row[$field] : false;
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}
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else
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{
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$cur_index = (is_object($query_id)) ? $query_id->cur_index : $query_id;
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if (empty($this->row[$cur_index]) && empty($this->rowset[$cur_index]))
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{
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if ($this->row[$cur_index] = $this->sql_fetchrow($query_id))
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{
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$result = $this->row[$cur_index][$field];
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}
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}
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else
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{
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if ($this->rowset[$cur_index])
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{
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$result = $this->rowset[$cur_index][$field];
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}
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elseif ($this->row[$cur_index])
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{
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$result = $this->row[$cur_index][$field];
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}
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}
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}
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return $result;
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}
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return false;
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|
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}
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function sql_rowseek($rownum, $query_id = false)
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{
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if (!$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) ? @mysqli_data_seek($query_id, $rownum) : false;
|
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|
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}
|
||
|
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|
||
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function sql_nextid()
|
||
|
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{
|
||
|
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return ($this->db_connect_id) ? @mysqli_insert_id($this->db_connect_id) : false;
|
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|
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}
|
||
|
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|
||
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function sql_freeresult($query_id = false)
|
||
|
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{
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||
|
|
if (!$query_id)
|
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{
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|
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$query_id = $this->query_result;
|
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}
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|
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$cur_index = (is_object($query_id)) ? $query_id->cur_index : $query_id;
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|
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||
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unset($this->rowset[$cur_index]);
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unset($this->row[$cur_index]);
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|
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|
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if (is_object($query_id))
|
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{
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$this->indexed--;
|
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return @mysqli_free_result($query_id);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
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return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
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|
||
|
|
function sql_escape($msg) {
|
||
|
|
if (function_exists('mysql_real_escape_string')) {
|
||
|
|
return @mysql_real_escape_string($msg, $this->db_connect_id);
|
||
|
|
} else {
|
||
|
|
return mysql_escape_string($msg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function sql_error($sql = '')
|
||
|
|
{
|
||
|
|
if (!$this->return_on_error)
|
||
|
|
{
|
||
|
|
$this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
|
||
|
|
$this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
|
||
|
|
|
||
|
|
$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @mysqli_error($this->db_connect_id) . '<br /><br /><u>CALLING PAGE</u><br /><br />' . htmlspecialchars($this_page) . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
|
||
|
|
|
||
|
|
if ($this->transaction)
|
||
|
|
{
|
||
|
|
$this->sql_transaction('rollback');
|
||
|
|
}
|
||
|
|
|
||
|
|
trigger_error($message, E_USER_ERROR);
|
||
|
|
}
|
||
|
|
|
||
|
|
$result = array(
|
||
|
|
'message' => @mysqli_error($this->db_connect_id),
|
||
|
|
'code' => @mysqli_errno($this->db_connect_id)
|
||
|
|
);
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
function sql_report($mode, $query = '')
|
||
|
|
{
|
||
|
|
if (empty($_GET['explain']))
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
global $db, $cache, $starttime, $phpbb_root_path;
|
||
|
|
static $curtime, $query_hold, $html_hold;
|
||
|
|
static $sql_report = '';
|
||
|
|
static $cache_num_queries = 0;
|
||
|
|
|
||
|
|
if (!$query && !empty($query_hold))
|
||
|
|
{
|
||
|
|
$query = $query_hold;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch ($mode)
|
||
|
|
{
|
||
|
|
case 'display':
|
||
|
|
if (!empty($cache))
|
||
|
|
{
|
||
|
|
$cache->unload();
|
||
|
|
}
|
||
|
|
$db->sql_close();
|
||
|
|
|
||
|
|
$mtime = explode(' ', microtime());
|
||
|
|
$totaltime = $mtime[0] + $mtime[1] - $starttime;
|
||
|
|
|
||
|
|
echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8869-1"><meta http-equiv="Content-Style-Type" content="text/css"><link rel="stylesheet" href="' . $phpbb_root_path . 'adm/subSilver.css" type="text/css"><style type="text/css">' . "\n";
|
||
|
|
echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
|
||
|
|
echo 'td.cat { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
|
||
|
|
echo '</style><title>' . $msg_title . '</title></head><body>';
|
||
|
|
echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tr><td><a href="' . htmlspecialchars(preg_replace('/&explain=([^&]*)/', '', $_SERVER['REQUEST_URI'])) . '"><img src="' . $phpbb_root_path . 'adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></a></td><td width="100%" background="' . $phpbb_root_path . 'adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle">SQL Report</span> </td></tr></table><br clear="all"/><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td height="40" align="center" valign="middle"><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></td></tr><tr><td align="center" nowrap="nowrap">Time spent on MySQL queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></td></tr></table><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td>';
|
||
|
|
echo $sql_report;
|
||
|
|
echo '</td></tr></table><br /></body></html>';
|
||
|
|
exit;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'start':
|
||
|
|
$query_hold = $query;
|
||
|
|
$html_hold = '';
|
||
|
|
|
||
|
|
$explain_query = $query;
|
||
|
|
if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
|
||
|
|
{
|
||
|
|
$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
|
||
|
|
}
|
||
|
|
elseif (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
|
||
|
|
{
|
||
|
|
$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (preg_match('/^SELECT/', $explain_query))
|
||
|
|
{
|
||
|
|
$html_table = FALSE;
|
||
|
|
|
||
|
|
if ($result = @mysqli_query($this->db_connect_id, "EXPLAIN $explain_query"))
|
||
|
|
{
|
||
|
|
while ($row = @mysqli_fetch_assoc($result))
|
||
|
|
{
|
||
|
|
if (!$html_table && sizeof($row))
|
||
|
|
{
|
||
|
|
$html_table = TRUE;
|
||
|
|
$html_hold .= '<table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0" align="center"><tr>';
|
||
|
|
|
||
|
|
foreach (array_keys($row) as $val)
|
||
|
|
{
|
||
|
|
$html_hold .= '<th nowrap="nowrap">' . (($val) ? ucwords(str_replace('_', ' ', $val)) : ' ') . '</th>';
|
||
|
|
}
|
||
|
|
$html_hold .= '</tr>';
|
||
|
|
}
|
||
|
|
$html_hold .= '<tr>';
|
||
|
|
|
||
|
|
$class = 'row1';
|
||
|
|
foreach (array_values($row) as $val)
|
||
|
|
{
|
||
|
|
$class = ($class == 'row1') ? 'row2' : 'row1';
|
||
|
|
$html_hold .= '<td class="' . $class . '">' . (($val) ? $val : ' ') . '</td>';
|
||
|
|
}
|
||
|
|
$html_hold .= '</tr>';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($html_table)
|
||
|
|
{
|
||
|
|
$html_hold .= '</table>';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$curtime = explode(' ', microtime());
|
||
|
|
$curtime = $curtime[0] + $curtime[1];
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'fromcache':
|
||
|
|
$endtime = explode(' ', microtime());
|
||
|
|
$endtime = $endtime[0] + $endtime[1];
|
||
|
|
|
||
|
|
$result = @mysqli_query($this->db_connect_id, $query);
|
||
|
|
while ($void = @mysqli_fetch_assoc($result))
|
||
|
|
{
|
||
|
|
// Take the time spent on parsing rows into account
|
||
|
|
}
|
||
|
|
$splittime = explode(' ', microtime());
|
||
|
|
$splittime = $splittime[0] + $splittime[1];
|
||
|
|
|
||
|
|
$time_cache = $endtime - $curtime;
|
||
|
|
$time_db = $splittime - $endtime;
|
||
|
|
$color = ($time_db > $time_cache) ? 'green' : 'red';
|
||
|
|
|
||
|
|
$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table><p align="center">';
|
||
|
|
|
||
|
|
$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
|
||
|
|
|
||
|
|
// Pad the start time to not interfere with page timing
|
||
|
|
$starttime += $time_db;
|
||
|
|
|
||
|
|
@mysqli_free_result($result);
|
||
|
|
$cache_num_queries++;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'stop':
|
||
|
|
$endtime = explode(' ', microtime());
|
||
|
|
$endtime = $endtime[0] + $endtime[1];
|
||
|
|
|
||
|
|
$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
|
||
|
|
|
||
|
|
if ($this->query_result)
|
||
|
|
{
|
||
|
|
if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
|
||
|
|
{
|
||
|
|
$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
|
||
|
|
}
|
||
|
|
$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$error = $this->sql_error();
|
||
|
|
$sql_report .= '<b style="color: red">FAILED</b> - MySQL Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
|
||
|
|
}
|
||
|
|
|
||
|
|
$sql_report .= '</p>';
|
||
|
|
|
||
|
|
$this->sql_time += $endtime - $curtime;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} // class sql_db
|
||
|
|
|
||
|
|
} // if ... define
|
||
|
|
|
||
|
|
?>
|