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         // Run SQL command
  47         $result = @mysql_query($sql_string, $link)
  48          or ADD_FATAL($F." (".$L."):".mysql_error()."<BR>
  49 ".MYSQL_QUERY_STRING."<BR>
  50 ".$sql_string);
  51
  52         if (($CSS != "1") && ($CSS != "-1") && (DEBUG_MODE) && (DEBUG_SQL))
  53         {
  54                 //
  55                 // Debugging stuff...
  56                 //
  57                 $fp = @fopen(PATH."debug.log", 'a') or mxchange_die("Cannot write debug.log!");
  58                 if (!isset($OK)) {
  59                         // Write first entry
  60                         fwrite($fp, "Module=".$GLOBALS['module']."\n");
  61                         $OK = true;
  62                 }
  63                 fwrite($fp, $F."(LINE=".$L."|NUM=".SQL_NUMROWS($result)."|AFFECTED=".SQL_AFFECTEDROWS()."): ".str_replace('\r', '', str_replace('\n', " ", $sql_string))."\n");
  64                 fclose($fp);
  65         }
  66
  67         // Count DB hits
  68         if (!isset($CONFIG['db_hits']))
  69         {
  70                 // Count in dummy variable
  71                 $CONFIG['db_hits'] = 0;
  72         }
  73          else
  74         {
  75                 // Count to config array
  76                 $CONFIG['db_hits']++;
  77         }
  78         return $result;
  79 }
  80
  81 // SQL num rows
  82 function SQL_NUMROWS($result)
  83 {
  84         if ($result != false)
  85         {
  86                 $lines = @mysql_num_rows($result);
  87                 if (empty($lines)) $lines = "0";
  88
  89         }
  90          else
  91         {
  92                 // No resource given, no lines found!
  93                 $lines = "0";
  94         }
  95         return $lines;
  96 }
  97
  98 // SQL affected rows
  99 function SQL_AFFECTEDROWS($lnk="x", $F="dummy", $L="dummy")
 100 {
 101         global $link;
 102         // $lnk will be ignored for now!
 103         $lines = @mysql_affected_rows($link);
 104         return $lines;
 105 }
 106
 107 // SQL fetch row
 108 function SQL_FETCHROW($result)
 109 {
 110         $DATA = array();
 111         $DATA = @mysql_fetch_row($result);
 112         return $DATA;
 113 }
 114
 115 // SQL fetch array
 116 function SQL_FETCHARRAY($res=false, $nr=0, $remove_numerical=true)
 117 {
 118         // Is a result resource set?
 119         if (!$res) return false;
 120
 121         // Initialize array
 122         $row = array();
 123
 124         // Load row from database
 125         $row = @mysql_fetch_array($res);
 126
 127         // Return only arrays here
 128         if (is_array($row))
 129         {
 130                 // Shall we remove numerical data here automatically?
 131                 if ($remove_numerical)
 132                 {
 133                         // So let's remove all numerical elements to save memory!
 134                         $max = count($row);
 135                         for ($idx = 0; $idx < ($max / 2); $idx++)
 136                         {
 137                                 // Remove entry
 138                                 unset($row[$idx]);
 139                         }
 140                 }
 141
 142                 // Return row
 143                 return $row;
 144         }
 145          else
 146         {
 147                 // Return a false here...
 148                 return false;
 149         }
 150 }
 151
 152 // SQL result
 153 function SQL_RESULT($res, $row, $field)
 154 {
 155         $result = @mysql_result($res, $row, $field);
 156         return $result;
 157 }
 158 // SQL connect
 159 function SQL_CONNECT($host, $login, $password, $F, $L)
 160 {
 161         $connect = @mysql_connect($host, $login, $password) or ADD_FATAL($F." (".$L."):".mysql_error());
 162         return $connect;
 163 }
 164 // SQL select database
 165 function SQL_SELECT_DB($DB, $link, $F, $L)
 166 {
 167         $DB = @mysql_select_db($DB, $link) or ADD_FATAL($F." (".$L."):".mysql_error());
 168         return $DB;
 169 }
 170 // SQL close link
 171 function SQL_CLOSE($link, $F, $L)
 172 {
 173         global $CONFIG, $CACHE, $CFG_CACHE;
 174         if ((GET_EXT_VERSION("cache") >= "0.0.7") && (isset($CONFIG['db_hits'])) && (isset($CONFIG['cache_hits'])) && (is_object($CACHE)))
 175         {
 176                 // Update counter for db/cache
 177                 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET db_hits=%d, cache_hits=%d WHERE config='0' LIMIT 1",
 178                         array(bigintval($CONFIG['db_hits']), bigintval($CONFIG['cache_hits'])), __FILE__, __LINE__);
 179
 180                 // Update cache here
 181                 if (GET_EXT_VERSION("cache") >= "0.1.2")
 182                 {
 183                         if ($CACHE->cache_file("config", true))
 184                         {
 185                                 // Replace data
 186                                 $CACHE->cache_replace("cache_hits", $CONFIG['cache_hits'], "0", $CFG_CACHE);
 187                                 $CACHE->cache_replace("db_hits"   , $CONFIG['db_hits']   , "0", $CFG_CACHE);
 188                         }
 189                 }
 190         }
 191
 192         // Close database link
 193         $close = @mysql_close($link) or ADD_FATAL($F." (".$L."):".mysql_error());
 194         return $close;
 195 }
 196 // SQL free result
 197 function SQL_FREERESULT($result)
 198 {
 199         $res = @mysql_free_result($result);
 200         return $res;
 201 }
 202 // SQL string escaping
 203 function SQL_QUERY_ESC($qstring, $data, $file, $line, $run=true, $strip=true)
 204 {
 205         global $link;
 206         $eval = "\$query = sprintf(\"".$qstring."\"";
 207         foreach ($data as $var)
 208         {
 209                 if (!empty($var))
 210                 {
 211                         if ($strip) {
 212                                 $eval .= ", SQL_ESCAPE(\"".strip_tags($var)."\")";
 213                         } else {
 214                                 $eval .= ", SQL_ESCAPE(\"".$var."\")";
 215                         }
 216                 }
 217                  else
 218                 {
 219                         $eval .= ", ''";
 220                 }
 221         }
 222         $eval .= ");";
 223         //
 224         // Debugging
 225         //
 226         //$fp = fopen(PATH."escape_debug.log", 'a') or mxchange_die("Cannot write debug.log!");
 227         //fwrite($fp, $file."(".$line."): ".str_replace('\r', '', str_replace('\n', " ", $eval))."\n");
 228         //fclose($fp);
 229         eval($eval);
 230         if ($run)
 231         {
 232                 // Run SQL query (default)
 233                 return SQL_QUERY($query, $file, $line);
 234         }
 235          else
 236         {
 237                 // Return secured string
 238                 return $query;
 239         }
 240 }
 241 // Get ID from last INSERT command
 242 function SQL_INSERTID()
 243 {
 244         return @mysql_insert_id();
 245 }
 246 // Escape a string for the database
 247 function SQL_ESCAPE($str)
 248 {
 249         global $link;
 250         if (!is_resource($link)) {
 251                 // Fall-back to addslashes() when there is no link
 252                 return addslashes($str);
 253         }
 254
 255         if (function_exists('mysql_real_escape_string')) {
 256                 // The new and improved version
 257                 return mysql_real_escape_string($str, $link);
 258         } elseif (function_exists('mysql_escape_string')) {
 259                 // The obsulete function
 260                 return mysql_escape_string($str, $link);
 261         } else {
 262                 // If nothing else works
 263                 return addslashes($str);
 264         }
 265 }
 266 // SELECT query string from table, columns and so on... ;-)
 267 function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id) {
 268         // Prepare the SQL statement
 269         $SQL = "SELECT ".implode(", ", $columns)." FROM "._MYSQL_PREFIX."_".$table." WHERE ".$idRow."=%d LIMIT 1";
 270
 271         // Return the result
 272         return SQL_QUERY_ESC($SQL, array(bigintval($id)), __FILE__, __LINE__);
 273 }
 274 //
 275 ?>