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| <?php | |
| /** | |
| * | |
| * This file is part of the phpBB Forum Software package. | |
| * | |
| * @copyright (c) phpBB Limited <https://www.phpbb.com> | |
| * @license GNU General Public License, version 2 (GPL-2.0) | |
| * | |
| * For full copyright and license information, please see | |
| * the docs/CREDITS.txt file. | |
| * | |
| */ | |
| namespace phpbb\db\driver; | |
| /** | |
| * MySQLi Database Abstraction Layer | |
| * mysqli-extension has to be compiled with: | |
| * MySQL 4.1+ or MySQL 5.0+ | |
| */ | |
| class mysqli extends \phpbb\db\driver\mysql_base | |
| { | |
| var $multi_insert = true; | |
| var $connect_error = ''; | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false) | |
| { | |
| if (!function_exists('mysqli_connect')) | |
| { | |
| $this->connect_error = 'mysqli_connect function does not exist, is mysqli extension installed?'; | |
| return $this->sql_error(''); | |
| } | |
| $this->persistency = $persistency; | |
| $this->user = $sqluser; | |
| // If persistent connection, set dbhost to localhost when empty and prepend it with 'p:' prefix | |
| $this->server = ($this->persistency) ? 'p:' . (($sqlserver) ? $sqlserver : 'localhost') : $sqlserver; | |
| $this->dbname = $database; | |
| $port = (!$port) ? null : $port; | |
| // If port is set and it is not numeric, most likely mysqli socket is set. | |
| // Try to map it to the $socket parameter. | |
| $socket = null; | |
| if ($port) | |
| { | |
| if (is_numeric($port)) | |
| { | |
| $port = (int) $port; | |
| } | |
| else | |
| { | |
| $socket = $port; | |
| $port = null; | |
| } | |
| } | |
| $this->db_connect_id = mysqli_init(); | |
| if (!@mysqli_real_connect($this->db_connect_id, $this->server, $this->user, $sqlpassword, $this->dbname, $port, $socket, MYSQLI_CLIENT_FOUND_ROWS)) | |
| { | |
| $this->db_connect_id = ''; | |
| } | |
| if ($this->db_connect_id && $this->dbname != '') | |
| { | |
| // Disable loading local files on client side | |
| @mysqli_options($this->db_connect_id, MYSQLI_OPT_LOCAL_INFILE, false); | |
| @mysqli_query($this->db_connect_id, "SET NAMES 'utf8'"); | |
| // enforce strict mode on databases that support it | |
| if (version_compare($this->sql_server_info(true), '5.0.2', '>=')) | |
| { | |
| $result = @mysqli_query($this->db_connect_id, 'SELECT @@session.sql_mode AS sql_mode'); | |
| if ($result) | |
| { | |
| $row = mysqli_fetch_assoc($result); | |
| mysqli_free_result($result); | |
| $modes = array_map('trim', explode(',', $row['sql_mode'])); | |
| } | |
| else | |
| { | |
| $modes = array(); | |
| } | |
| // TRADITIONAL includes STRICT_ALL_TABLES and STRICT_TRANS_TABLES | |
| if (!in_array('TRADITIONAL', $modes)) | |
| { | |
| if (!in_array('STRICT_ALL_TABLES', $modes)) | |
| { | |
| $modes[] = 'STRICT_ALL_TABLES'; | |
| } | |
| if (!in_array('STRICT_TRANS_TABLES', $modes)) | |
| { | |
| $modes[] = 'STRICT_TRANS_TABLES'; | |
| } | |
| } | |
| $mode = implode(',', $modes); | |
| @mysqli_query($this->db_connect_id, "SET SESSION sql_mode='{$mode}'"); | |
| } | |
| return $this->db_connect_id; | |
| } | |
| return $this->sql_error(''); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function sql_server_info($raw = false, $use_cache = true) | |
| { | |
| global $cache; | |
| if (!$use_cache || empty($cache) || ($this->sql_server_version = $cache->get('mysqli_version')) === false) | |
| { | |
| $result = @mysqli_query($this->db_connect_id, 'SELECT VERSION() AS version'); | |
| if ($result) | |
| { | |
| $row = mysqli_fetch_assoc($result); | |
| mysqli_free_result($result); | |
| $this->sql_server_version = $row['version']; | |
| if (!empty($cache) && $use_cache) | |
| { | |
| $cache->put('mysqli_version', $this->sql_server_version); | |
| } | |
| } | |
| } | |
| return ($raw) ? $this->sql_server_version : 'MySQL(i) ' . $this->sql_server_version; | |
| } | |
| /** | |
| * SQL Transaction | |
| * @access private | |
| */ | |
| function _sql_transaction($status = 'begin') | |
| { | |
| switch ($status) | |
| { | |
| case 'begin': | |
| return @mysqli_autocommit($this->db_connect_id, false); | |
| break; | |
| case 'commit': | |
| $result = @mysqli_commit($this->db_connect_id); | |
| @mysqli_autocommit($this->db_connect_id, true); | |
| return $result; | |
| break; | |
| case 'rollback': | |
| $result = @mysqli_rollback($this->db_connect_id); | |
| @mysqli_autocommit($this->db_connect_id, true); | |
| return $result; | |
| break; | |
| } | |
| return true; | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function sql_query($query = '', $cache_ttl = 0) | |
| { | |
| if ($query != '') | |
| { | |
| global $cache; | |
| // EXPLAIN only in extra debug mode | |
| if (defined('DEBUG')) | |
| { | |
| $this->sql_report('start', $query); | |
| } | |
| else if (defined('PHPBB_DISPLAY_LOAD_TIME')) | |
| { | |
| $this->curtime = microtime(true); | |
| } | |
| $this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($query) : false; | |
| $this->sql_add_num_queries($this->query_result); | |
| if ($this->query_result === false) | |
| { | |
| if (($this->query_result = @mysqli_query($this->db_connect_id, $query)) === false) | |
| { | |
| $this->sql_error($query); | |
| } | |
| if (defined('DEBUG')) | |
| { | |
| $this->sql_report('stop', $query); | |
| } | |
| else if (defined('PHPBB_DISPLAY_LOAD_TIME')) | |
| { | |
| $this->sql_time += microtime(true) - $this->curtime; | |
| } | |
| if (!$this->query_result) | |
| { | |
| return false; | |
| } | |
| if ($cache && $cache_ttl) | |
| { | |
| $this->query_result = $cache->sql_save($this, $query, $this->query_result, $cache_ttl); | |
| } | |
| } | |
| else if (defined('DEBUG')) | |
| { | |
| $this->sql_report('fromcache', $query); | |
| } | |
| } | |
| else | |
| { | |
| return false; | |
| } | |
| return $this->query_result; | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function sql_affectedrows() | |
| { | |
| return ($this->db_connect_id) ? @mysqli_affected_rows($this->db_connect_id) : false; | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function sql_fetchrow($query_id = false) | |
| { | |
| global $cache; | |
| if ($query_id === false) | |
| { | |
| $query_id = $this->query_result; | |
| } | |
| if ($cache && !is_object($query_id) && $cache->sql_exists($query_id)) | |
| { | |
| return $cache->sql_fetchrow($query_id); | |
| } | |
| if ($query_id) | |
| { | |
| $result = mysqli_fetch_assoc($query_id); | |
| return $result !== null ? $result : false; | |
| } | |
| return false; | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function sql_rowseek($rownum, &$query_id) | |
| { | |
| global $cache; | |
| if ($query_id === false) | |
| { | |
| $query_id = $this->query_result; | |
| } | |
| if ($cache && !is_object($query_id) && $cache->sql_exists($query_id)) | |
| { | |
| return $cache->sql_rowseek($rownum, $query_id); | |
| } | |
| return ($query_id) ? @mysqli_data_seek($query_id, $rownum) : false; | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function sql_nextid() | |
| { | |
| return ($this->db_connect_id) ? @mysqli_insert_id($this->db_connect_id) : false; | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function sql_freeresult($query_id = false) | |
| { | |
| global $cache; | |
| if ($query_id === false) | |
| { | |
| $query_id = $this->query_result; | |
| } | |
| if ($cache && !is_object($query_id) && $cache->sql_exists($query_id)) | |
| { | |
| return $cache->sql_freeresult($query_id); | |
| } | |
| if (!$query_id) | |
| { | |
| return false; | |
| } | |
| if ($query_id === true) | |
| { | |
| return true; | |
| } | |
| return mysqli_free_result($query_id); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function sql_escape($msg) | |
| { | |
| return @mysqli_real_escape_string($this->db_connect_id, $msg); | |
| } | |
| /** | |
| * return sql error array | |
| * @access private | |
| */ | |
| function _sql_error() | |
| { | |
| if ($this->db_connect_id) | |
| { | |
| $error = array( | |
| 'message' => @mysqli_error($this->db_connect_id), | |
| 'code' => @mysqli_errno($this->db_connect_id) | |
| ); | |
| } | |
| else if (function_exists('mysqli_connect_error')) | |
| { | |
| $error = array( | |
| 'message' => @mysqli_connect_error(), | |
| 'code' => @mysqli_connect_errno(), | |
| ); | |
| } | |
| else | |
| { | |
| $error = array( | |
| 'message' => $this->connect_error, | |
| 'code' => '', | |
| ); | |
| } | |
| return $error; | |
| } | |
| /** | |
| * Close sql connection | |
| * @access private | |
| */ | |
| function _sql_close() | |
| { | |
| return @mysqli_close($this->db_connect_id); | |
| } | |
| /** | |
| * Build db-specific report | |
| * @access private | |
| */ | |
| function _sql_report($mode, $query = '') | |
| { | |
| static $test_prof; | |
| // current detection method, might just switch to see the existance of INFORMATION_SCHEMA.PROFILING | |
| if ($test_prof === null) | |
| { | |
| $test_prof = false; | |
| if (strpos(mysqli_get_server_info($this->db_connect_id), 'community') !== false) | |
| { | |
| $ver = mysqli_get_server_version($this->db_connect_id); | |
| if ($ver >= 50037 && $ver < 50100) | |
| { | |
| $test_prof = true; | |
| } | |
| } | |
| } | |
| switch ($mode) | |
| { | |
| case 'start': | |
| $explain_query = $query; | |
| if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m)) | |
| { | |
| $explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2]; | |
| } | |
| else if (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)) | |
| { | |
| $html_table = false; | |
| // begin profiling | |
| if ($test_prof) | |
| { | |
| @mysqli_query($this->db_connect_id, 'SET profiling = 1;'); | |
| } | |
| if ($result = @mysqli_query($this->db_connect_id, "EXPLAIN $explain_query")) | |
| { | |
| while ($row = mysqli_fetch_assoc($result)) | |
| { | |
| $html_table = $this->sql_report('add_select_row', $query, $html_table, $row); | |
| } | |
| mysqli_free_result($result); | |
| } | |
| if ($html_table) | |
| { | |
| $this->html_hold .= '</table>'; | |
| } | |
| if ($test_prof) | |
| { | |
| $html_table = false; | |
| // get the last profile | |
| if ($result = @mysqli_query($this->db_connect_id, 'SHOW PROFILE ALL;')) | |
| { | |
| $this->html_hold .= '<br />'; | |
| while ($row = mysqli_fetch_assoc($result)) | |
| { | |
| // make <unknown> HTML safe | |
| if (!empty($row['Source_function'])) | |
| { | |
| $row['Source_function'] = str_replace(array('<', '>'), array('<', '>'), $row['Source_function']); | |
| } | |
| // remove unsupported features | |
| foreach ($row as $key => $val) | |
| { | |
| if ($val === null) | |
| { | |
| unset($row[$key]); | |
| } | |
| } | |
| $html_table = $this->sql_report('add_select_row', $query, $html_table, $row); | |
| } | |
| mysqli_free_result($result); | |
| } | |
| if ($html_table) | |
| { | |
| $this->html_hold .= '</table>'; | |
| } | |
| @mysqli_query($this->db_connect_id, 'SET profiling = 0;'); | |
| } | |
| } | |
| break; | |
| case 'fromcache': | |
| $endtime = explode(' ', microtime()); | |
| $endtime = $endtime[0] + $endtime[1]; | |
| $result = @mysqli_query($this->db_connect_id, $query); | |
| if ($result) | |
| { | |
| while ($void = mysqli_fetch_assoc($result)) | |
| { | |
| // Take the time spent on parsing rows into account | |
| } | |
| mysqli_free_result($result); | |
| } | |
| $splittime = explode(' ', microtime()); | |
| $splittime = $splittime[0] + $splittime[1]; | |
| $this->sql_report('record_fromcache', $query, $endtime, $splittime); | |
| break; | |
| } | |
| } | |
| } |