inc/db/lib-mysql3.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 08/29/2004 *
   4  * ===============                              Last change: 08/29/2004 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : lib.php                                          *
   8  * -------------------------------------------------------------------- *
   9  * Short description :                                                  *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  :                                                  *
  12  * -------------------------------------------------------------------- *
  13  *                                                                      *
  14  * -------------------------------------------------------------------- *
  15  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  16  * For more information visit: http://www.mxchange.org                  *
  17  *                                                                      *
  18  * This program is free software; you can redistribute it and/or modify *
  19  * it under the terms of the GNU General Public License as published by *
  20  * the Free Software Foundation; either version 2 of the License, or    *
  21  * (at your option) any later version.                                  *
  22  *                                                                      *
  23  * This program is distributed in the hope that it will be useful,      *
  24  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  26  * GNU General Public License for more details.                         *
  27  *                                                                      *
  28  * You should have received a copy of the GNU General Public License    *
  29  * along with this program; if not, write to the Free Software          *
  30  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  31  * MA  02110-1301  USA                                                  *
  32  ************************************************************************/
  33
  34 // Some security stuff...
  35 if (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
  36 {
  37         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  38         require($INC);
  39 }
  40
  41 // SQL queries
  42 function SQL_QUERY($sql_string, $F, $L)
  43 {
  44         global $link, $CSS, $_CONFIG, $OK;
  45
  46         // Remove \t, \n and \r from queries they may confuse some MySQL version I have heard
  47         $sql_string = str_replace("\t", " ", str_replace("\n", " ", str_replace("\r", " ", $sql_string)));
  48
  49         // Run SQL command
  50         $result = @mysql_query($sql_string, $link)
  51          or ADD_FATAL($F." (".$L."):".mysql_error()."<br />
  52 ".MYSQL_QUERY_STRING."<br />
  53 ".$sql_string);
  54
  55          // Count this query
  56          if (!isset($_CONFIG['sql_count'])) $_CONFIG['sql_count'] = 0;
  57          $_CONFIG['sql_count']++;
  58
  59          // Debug output
  60          //* DEBUG: */ print "Query=<pre>".$sql_string."</pre>, affected=<b>".SQL_AFFECTEDROWS()."</b>, numrows=<b>".SQL_NUMROWS($result)."</b><br />\n";
  61
  62         if (($CSS != "1") && ($CSS != "-1") && (isBooleanConstantAndTrue('DEBUG_MODE')) && (DEBUG_SQL))
  63         {
  64                 //
  65                 // Debugging stuff...
  66                 //
  67                 $fp = @fopen(PATH."debug.log", 'a') or mxchange_die("Cannot write debug.log!");
  68                 if (!isset($OK)) {
  69                         // Write first entry
  70                         fwrite($fp, "Module=".$GLOBALS['module']."\n");
  71                         $OK = true;
  72                 }
  73                 fwrite($fp, $F."(LINE=".$L."|NUM=".SQL_NUMROWS($result)."|AFFECTED=".SQL_AFFECTEDROWS()."): ".str_replace('\r', '', str_replace('\n', " ", $sql_string))."\n");
  74                 fclose($fp);
  75         }
  76
  77         // Count DB hits
  78         if (!isset($_CONFIG['db_hits']))
  79         {
  80                 // Count in dummy variable
  81                 $_CONFIG['db_hits'] = 0;
  82         }
  83          else
  84         {
  85                 // Count to config array
  86                 $_CONFIG['db_hits']++;
  87         }
  88         return $result;
  89 }
  90
  91 // SQL num rows
  92 function SQL_NUMROWS($result)
  93 {
  94         if ($result != false)
  95         {
  96                 $lines = @mysql_num_rows($result);
  97                 if (empty($lines)) $lines = "0";
  98
  99         }
 100          else
 101         {
 102                 // No resource given, no lines found!
 103                 $lines = "0";
 104         }
 105         return $lines;
 106 }
 107
 108 // SQL affected rows
 109 function SQL_AFFECTEDROWS($lnk="x", $F="dummy", $L="dummy")
 110 {
 111         global $link;
 112         // $lnk will be ignored for now!
 113         $lines = @mysql_affected_rows($link);
 114         return $lines;
 115 }
 116
 117 // SQL fetch row
 118 function SQL_FETCHROW($result)
 119 {
 120         $DATA = array();
 121         $DATA = @mysql_fetch_row($result);
 122         return $DATA;
 123 }
 124
 125 // SQL fetch array
 126 function SQL_FETCHARRAY($res=false, $nr=0, $remove_numerical=true)
 127 {
 128         // Is a result resource set?
 129         if (!$res) return false;
 130
 131         // Initialize array
 132         $row = array();
 133
 134         // Load row from database
 135         $row = @mysql_fetch_array($res);
 136
 137         // Return only arrays here
 138         if (is_array($row))
 139         {
 140                 // Shall we remove numerical data here automatically?
 141                 if ($remove_numerical)
 142                 {
 143                         // So let's remove all numerical elements to save memory!
 144                         $max = count($row);
 145                         for ($idx = 0; $idx < ($max / 2); $idx++)
 146                         {
 147                                 // Remove entry
 148                                 unset($row[$idx]);
 149                         }
 150                 }
 151
 152                 // Return row
 153                 return $row;
 154         }
 155          else
 156         {
 157                 // Return a false here...
 158                 return false;
 159         }
 160 }
 161
 162 // SQL result
 163 function SQL_RESULT($res, $row, $field)
 164 {
 165         $result = @mysql_result($res, $row, $field);
 166         return $result;
 167 }
 168 // SQL connect
 169 function SQL_CONNECT($host, $login, $password, $F, $L)
 170 {
 171         $connect = @mysql_connect($host, $login, $password) or ADD_FATAL($F." (".$L."):".mysql_error());
 172         return $connect;
 173 }
 174 // SQL select database
 175 function SQL_SELECT_DB($DB, $link, $F, $L)
 176 {
 177         $select = false;
 178         if (is_resource($link)) {
 179                 $select = @mysql_select_db($DB, $link) or ADD_FATAL($F." (".$L."):".mysql_error());
 180         }
 181         return $select;
 182 }
 183 // SQL close link
 184 function SQL_CLOSE($link, $F, $L)
 185 {
 186         global $_CONFIG, $cacheInstance, $cacheArray;
 187         if ((GET_EXT_VERSION("cache") >= "0.0.7") && (isset($_CONFIG['db_hits'])) && (isset($_CONFIG['cache_hits'])) && (is_object($cacheInstance)))
 188         {
 189                 // Update counter for db/cache
 190                 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET db_hits=%d, cache_hits=%d WHERE config=0 LIMIT 1",
 191                         array(bigintval($_CONFIG['db_hits']), bigintval($_CONFIG['cache_hits'])), __FILE__, __LINE__);
 192
 193                 // Update cache here
 194                 if (GET_EXT_VERSION("cache") >= "0.1.2")
 195                 {
 196                         if ($cacheInstance->cache_file("config", true))
 197                         {
 198                                 // Replace data
 199                                 $cacheInstance->cache_replace("cache_hits", $_CONFIG['cache_hits'], "0", $cacheArray);
 200                                 $cacheInstance->cache_replace("db_hits"   , $_CONFIG['db_hits']   , "0", $cacheArray);
 201                         }
 202                 }
 203         }
 204
 205         // Close database link
 206         $close = @mysql_close($link) or ADD_FATAL($F." (".$L."):".mysql_error());
 207         return $close;
 208 }
 209 // SQL free result
 210 function SQL_FREERESULT($result)
 211 {
 212         $res = @mysql_free_result($result);
 213         return $res;
 214 }
 215 // SQL string escaping
 216 function SQL_QUERY_ESC($qstring, $data, $file, $line, $run=true, $strip=true)
 217 {
 218         global $link;
 219         $eval = "\$query = sprintf(\"".$qstring."\"";
 220         foreach ($data as $var)
 221         {
 222                 if (!empty($var))
 223                 {
 224                         if ($strip) {
 225                                 $eval .= ", SQL_ESCAPE(\"".strip_tags($var)."\")";
 226                         } else {
 227                                 $eval .= ", SQL_ESCAPE(\"".$var."\")";
 228                         }
 229                 }
 230                  else
 231                 {
 232                         $eval .= ", ''";
 233                 }
 234         }
 235         $eval .= ");";
 236         //
 237         // Debugging
 238         //
 239         //$fp = fopen(PATH."escape_debug.log", 'a') or mxchange_die("Cannot write debug.log!");
 240         //fwrite($fp, $file."(".$line."): ".str_replace('\r', '', str_replace('\n', " ", $eval))."\n");
 241         //fclose($fp);
 242         eval($eval);
 243         if ($run)
 244         {
 245                 // Run SQL query (default)
 246                 return SQL_QUERY($query, $file, $line);
 247         }
 248          else
 249         {
 250                 // Return secured string
 251                 return $query;
 252         }
 253 }
 254 // Get ID from last INSERT command
 255 function SQL_INSERTID()
 256 {
 257         return @mysql_insert_id();
 258 }
 259 // Escape a string for the database
 260 function SQL_ESCAPE($str)
 261 {
 262         global $link;
 263         if (!is_resource($link)) {
 264                 // Fall-back to addslashes() when there is no link
 265                 return addslashes($str);
 266         }
 267
 268         if (function_exists('mysql_real_escape_string')) {
 269                 // The new and improved version
 270                 return mysql_real_escape_string($str, $link);
 271         } elseif (function_exists('mysql_escape_string')) {
 272                 // The obsulete function
 273                 return mysql_escape_string($str, $link);
 274         } else {
 275                 // If nothing else works
 276                 return addslashes($str);
 277         }
 278 }
 279 // SELECT query string from table, columns and so on... ;-)
 280 function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id) {
 281         // Prepare the SQL statement
 282         $SQL = "SELECT ".implode(", ", $columns)." FROM "._MYSQL_PREFIX."_".$table." WHERE ".$idRow."=%d LIMIT 1";
 283
 284         // Return the result
 285         return SQL_QUERY_ESC($SQL, array(bigintval($id)), __FILE__, __LINE__);
 286 }
 287 //
 288 ?>