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          // Count this query
  53          if (!isset($_CONFIG['sql_count'])) $_CONFIG['sql_count'] = 0;
  54          $_CONFIG['sql_count']++;
  55
  56          // Debug output
  57          //* DEBUG: */ print "Query=<em>".$sql_string."</em>, affected=<b>".SQL_AFFECTEDROWS()."</b>, numrows=<b>".SQL_NUMROWS($result)."</b><br />\n";
  58
  59         if (($CSS != "1") && ($CSS != "-1") && (DEBUG_MODE) && (DEBUG_SQL))
  60         {
  61                 //
  62                 // Debugging stuff...
  63                 //
  64                 $fp = @fopen(PATH."debug.log", 'a') or mxchange_die("Cannot write debug.log!");
  65                 if (!isset($OK)) {
  66                         // Write first entry
  67                         fwrite($fp, "Module=".$GLOBALS['module']."\n");
  68                         $OK = true;
  69                 }
  70                 fwrite($fp, $F."(LINE=".$L."|NUM=".SQL_NUMROWS($result)."|AFFECTED=".SQL_AFFECTEDROWS()."): ".str_replace('\r', '', str_replace('\n', " ", $sql_string))."\n");
  71                 fclose($fp);
  72         }
  73
  74         // Count DB hits
  75         if (!isset($_CONFIG['db_hits']))
  76         {
  77                 // Count in dummy variable
  78                 $_CONFIG['db_hits'] = 0;
  79         }
  80          else
  81         {
  82                 // Count to config array
  83                 $_CONFIG['db_hits']++;
  84         }
  85         return $result;
  86 }
  87
  88 // SQL num rows
  89 function SQL_NUMROWS($result)
  90 {
  91         if ($result != false)
  92         {
  93                 $lines = @mysql_num_rows($result);
  94                 if (empty($lines)) $lines = "0";
  95
  96         }
  97          else
  98         {
  99                 // No resource given, no lines found!
 100                 $lines = "0";
 101         }
 102         return $lines;
 103 }
 104
 105 // SQL affected rows
 106 function SQL_AFFECTEDROWS($lnk="x", $F="dummy", $L="dummy")
 107 {
 108         global $link;
 109         // $lnk will be ignored for now!
 110         $lines = @mysql_affected_rows($link);
 111         return $lines;
 112 }
 113
 114 // SQL fetch row
 115 function SQL_FETCHROW($result)
 116 {
 117         $DATA = array();
 118         $DATA = @mysql_fetch_row($result);
 119         return $DATA;
 120 }
 121
 122 // SQL fetch array
 123 function SQL_FETCHARRAY($res=false, $nr=0, $remove_numerical=true)
 124 {
 125         // Is a result resource set?
 126         if (!$res) return false;
 127
 128         // Initialize array
 129         $row = array();
 130
 131         // Load row from database
 132         $row = @mysql_fetch_array($res);
 133
 134         // Return only arrays here
 135         if (is_array($row))
 136         {
 137                 // Shall we remove numerical data here automatically?
 138                 if ($remove_numerical)
 139                 {
 140                         // So let's remove all numerical elements to save memory!
 141                         $max = count($row);
 142                         for ($idx = 0; $idx < ($max / 2); $idx++)
 143                         {
 144                                 // Remove entry
 145                                 unset($row[$idx]);
 146                         }
 147                 }
 148
 149                 // Return row
 150                 return $row;
 151         }
 152          else
 153         {
 154                 // Return a false here...
 155                 return false;
 156         }
 157 }
 158
 159 // SQL result
 160 function SQL_RESULT($res, $row, $field)
 161 {
 162         $result = @mysql_result($res, $row, $field);
 163         return $result;
 164 }
 165 // SQL connect
 166 function SQL_CONNECT($host, $login, $password, $F, $L)
 167 {
 168         $connect = @mysql_connect($host, $login, $password) or ADD_FATAL($F." (".$L."):".mysql_error());
 169         return $connect;
 170 }
 171 // SQL select database
 172 function SQL_SELECT_DB($DB, $link, $F, $L)
 173 {
 174         $select = false;
 175         if (is_resource($link)) {
 176                 $select = @mysql_select_db($DB, $link) or ADD_FATAL($F." (".$L."):".mysql_error());
 177         }
 178         return $select;
 179 }
 180 // SQL close link
 181 function SQL_CLOSE($link, $F, $L)
 182 {
 183         global $_CONFIG, $cacheInstance, $cacheArray;
 184         if ((GET_EXT_VERSION("cache") >= "0.0.7") && (isset($_CONFIG['db_hits'])) && (isset($_CONFIG['cache_hits'])) && (is_object($cacheInstance)))
 185         {
 186                 // Update counter for db/cache
 187                 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET db_hits=%d, cache_hits=%d WHERE config=0 LIMIT 1",
 188                         array(bigintval($_CONFIG['db_hits']), bigintval($_CONFIG['cache_hits'])), __FILE__, __LINE__);
 189
 190                 // Update cache here
 191                 if (GET_EXT_VERSION("cache") >= "0.1.2")
 192                 {
 193                         if ($cacheInstance->cache_file("config", true))
 194                         {
 195                                 // Replace data
 196                                 $cacheInstance->cache_replace("cache_hits", $_CONFIG['cache_hits'], "0", $cacheArray);
 197                                 $cacheInstance->cache_replace("db_hits"   , $_CONFIG['db_hits']   , "0", $cacheArray);
 198                         }
 199                 }
 200         }
 201
 202         // Close database link
 203         $close = @mysql_close($link) or ADD_FATAL($F." (".$L."):".mysql_error());
 204         return $close;
 205 }
 206 // SQL free result
 207 function SQL_FREERESULT($result)
 208 {
 209         $res = @mysql_free_result($result);
 210         return $res;
 211 }
 212 // SQL string escaping
 213 function SQL_QUERY_ESC($qstring, $data, $file, $line, $run=true, $strip=true)
 214 {
 215         global $link;
 216         $eval = "\$query = sprintf(\"".$qstring."\"";
 217         foreach ($data as $var)
 218         {
 219                 if (!empty($var))
 220                 {
 221                         if ($strip) {
 222                                 $eval .= ", SQL_ESCAPE(\"".strip_tags($var)."\")";
 223                         } else {
 224                                 $eval .= ", SQL_ESCAPE(\"".$var."\")";
 225                         }
 226                 }
 227                  else
 228                 {
 229                         $eval .= ", ''";
 230                 }
 231         }
 232         $eval .= ");";
 233         //
 234         // Debugging
 235         //
 236         //$fp = fopen(PATH."escape_debug.log", 'a') or mxchange_die("Cannot write debug.log!");
 237         //fwrite($fp, $file."(".$line."): ".str_replace('\r', '', str_replace('\n', " ", $eval))."\n");
 238         //fclose($fp);
 239         eval($eval);
 240         if ($run)
 241         {
 242                 // Run SQL query (default)
 243                 return SQL_QUERY($query, $file, $line);
 244         }
 245          else
 246         {
 247                 // Return secured string
 248                 return $query;
 249         }
 250 }
 251 // Get ID from last INSERT command
 252 function SQL_INSERTID()
 253 {
 254         return @mysql_insert_id();
 255 }
 256 // Escape a string for the database
 257 function SQL_ESCAPE($str)
 258 {
 259         global $link;
 260         if (!is_resource($link)) {
 261                 // Fall-back to addslashes() when there is no link
 262                 return addslashes($str);
 263         }
 264
 265         if (function_exists('mysql_real_escape_string')) {
 266                 // The new and improved version
 267                 return mysql_real_escape_string($str, $link);
 268         } elseif (function_exists('mysql_escape_string')) {
 269                 // The obsulete function
 270                 return mysql_escape_string($str, $link);
 271         } else {
 272                 // If nothing else works
 273                 return addslashes($str);
 274         }
 275 }
 276 // SELECT query string from table, columns and so on... ;-)
 277 function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id) {
 278         // Prepare the SQL statement
 279         $SQL = "SELECT ".implode(", ", $columns)." FROM "._MYSQL_PREFIX."_".$table." WHERE ".$idRow."=%d LIMIT 1";
 280
 281         // Return the result
 282         return SQL_QUERY_ESC($SQL, array(bigintval($id)), __FILE__, __LINE__);
 283 }
 284 //
 285 ?>