2 /************************************************************************
3 * MXChange v0.2.1 Start: 08/29/2004 *
4 * =============== Last change: 08/29/2004 *
6 * -------------------------------------------------------------------- *
8 * -------------------------------------------------------------------- *
9 * Short description : *
10 * -------------------------------------------------------------------- *
11 * Kurzbeschreibung : *
12 * -------------------------------------------------------------------- *
14 * -------------------------------------------------------------------- *
15 * Copyright (c) 2003 - 2008 by Roland Haeder *
16 * For more information visit: http://www.mxchange.org *
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. *
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. *
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, *
32 ************************************************************************/
34 // Some security stuff...
35 if (ereg(basename(__FILE__), $_SERVER['PHP_SELF'])) {
36 $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
41 function SQL_QUERY($sql_string, $F, $L) {
42 global $link, $CSS, $_CONFIG, $OK;
44 // Remove \t, \n and \r from queries they may confuse some MySQL version I have heard
45 $sql_string = str_replace("\t", " ", str_replace("\n", " ", str_replace("\r", " ", $sql_string)));
48 $querytimeBefore = array_sum(explode(' ', microtime()));
51 $result = @mysql_query($sql_string, $link)
52 or ADD_FATAL($F." (".$L."):".mysql_error()."<br />
53 ".MYSQL_QUERY_STRING."<br />
56 // Save last successfull query
57 $_CONFIG['db_last_query'] = $sql_string;
60 $querytimeAfter = array_sum(explode(' ', microtime()));
62 // Calculate query time
63 $queryTime = $querytimeAfter - $querytimeBefore;
66 if (!isset($_CONFIG['sql_count'])) $_CONFIG['sql_count'] = 0;
67 $_CONFIG['sql_count']++;
70 //* DEBUG: */ print "Query=<pre>".$sql_string."</pre>, affected=<b>".SQL_AFFECTEDROWS()."</b>, numrows=<b>".SQL_NUMROWS($result)."</b><br />\n";
72 if (($CSS != "1") && ($CSS != "-1") && (isBooleanConstantAndTrue('DEBUG_MODE')) && (isBooleanConstantAndTrue('DEBUG_SQL'))) {
76 $fp = @fopen(PATH."inc/cache/mysql.log", 'a') or mxchange_die("Cannot write mysql.log!");
79 fwrite($fp, "Module=".$GLOBALS['module']."\n");
82 fwrite($fp, $F."(LINE=".$L."|NUM=".SQL_NUMROWS($result)."|AFFECTED=".SQL_AFFECTEDROWS()."|QUERYTIME:".$queryTime."): ".str_replace('\r', "", str_replace('\n', " ", $sql_string))."\n");
87 if (!isset($_CONFIG['db_hits'])) {
88 // Count in dummy variable
89 $_CONFIG['db_hits'] = 1;
91 // Count to config array
92 $_CONFIG['db_hits']++;
100 function SQL_NUMROWS($result) {
101 // Is the result a valid resource?
102 if (is_resource($result)) {
103 // Get the count of rows from database
104 $lines = @mysql_num_rows($result);
106 // Is the result empty? Then we have an error!
107 if (empty($lines)) $lines = "0";
109 // No resource given, no lines found!
116 function SQL_AFFECTEDROWS($lnk="x", $F="dummy", $L="dummy") {
118 // $lnk will be ignored for now!
119 $lines = @mysql_affected_rows($link);
124 function SQL_FETCHROW($result) {
126 $DATA = @mysql_fetch_row($result);
131 function SQL_FETCHARRAY($res=false, $nr=0, $remove_numerical=true) {
132 // Is a result resource set?
133 if (!$res) return false;
138 // Load row from database
139 $row = @mysql_fetch_array($res);
141 // Return only arrays here
142 if (is_array($row)) {
143 // Shall we remove numerical data here automatically?
144 if ($remove_numerical) {
145 // So let's remove all numerical elements to save memory!
147 for ($idx = 0; $idx < ($max / 2); $idx++) {
156 // Return a false here...
162 function SQL_RESULT($res, $row, $field) {
163 $result = @mysql_result($res, $row, $field);
167 function SQL_CONNECT($host, $login, $password, $F, $L) {
168 $connect = @mysql_connect($host, $login, $password) or ADD_FATAL($F." (".$L."):".mysql_error());
171 // SQL select database
172 function SQL_SELECT_DB($dbName, $link, $F, $L) {
174 if (is_resource($link)) {
175 $select = @mysql_select_db($dbName, $link) or ADD_FATAL($F." (".$L."):".mysql_error());
180 function SQL_CLOSE($link, $F, $L) {
181 global $_CONFIG, $cacheInstance, $cacheArray;
182 if ((GET_EXT_VERSION("cache") >= "0.0.7") && (isset($_CONFIG['db_hits'])) && (isset($_CONFIG['cache_hits'])) && (is_object($cacheInstance))) {
183 // Update counter for db/cache
184 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET db_hits=%s, cache_hits=%s WHERE config=0 LIMIT 1",
185 array(bigintval($_CONFIG['db_hits']), bigintval($_CONFIG['cache_hits'])), __FILE__, __LINE__);
188 if (GET_EXT_VERSION("cache") >= "0.1.2") {
189 if ($cacheInstance->cache_file("config", true)) {
191 $cacheInstance->cache_replace("cache_hits", $_CONFIG['cache_hits'], "0", $cacheArray);
192 $cacheInstance->cache_replace("db_hits" , $_CONFIG['db_hits'] , "0", $cacheArray);
197 // Close database link
198 $close = @mysql_close($link) or ADD_FATAL($F." (".$L."):".mysql_error());
202 function SQL_FREERESULT($result) {
203 $res = @mysql_free_result($result);
206 // SQL string escaping
207 function SQL_QUERY_ESC($qstring, $data, $file, $line, $run=true, $strip=true) {
209 $eval = "\$query = sprintf(\"".$qstring."\"";
210 foreach ($data as $var) {
211 if ((!empty($var)) || ($var === 0)) {
213 $eval .= ", SQL_ESCAPE(\"".strip_tags($var)."\")";
215 $eval .= ", SQL_ESCAPE(\"".$var."\")";
225 //$fp = fopen(PATH."escape_debug.log", 'a') or mxchange_die("Cannot write debug.log!");
226 //fwrite($fp, $file."(".$line."): ".str_replace('\r', "", str_replace('\n', " ", $eval))."\n");
230 // Run SQL query (default)
231 return SQL_QUERY($query, $file, $line);
233 // Return secured string
237 // Get ID from last INSERT command
238 function SQL_INSERTID() {
239 return @mysql_insert_id();
241 // Escape a string for the database
242 function SQL_ESCAPE($str, $secureString = true) {
245 // Secure string first? (which is the default behaviour!)
248 $str = secureString($str);
251 if (!is_resource($link)) {
252 // Fall-back to addslashes() when there is no link
253 return addslashes($str);
256 if (function_exists('mysql_real_escape_string')) {
257 // The new and improved version
258 return mysql_real_escape_string($str, $link);
259 } elseif (function_exists('mysql_escape_string')) {
260 // The obsulete function
261 return mysql_escape_string($str, $link);
263 // If nothing else works
264 return addslashes($str);
267 // SELECT query string from table, columns and so on... ;-)
268 function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id) {
269 // Prepare the SQL statement
270 $SQL = "SELECT ".implode(", ", $columns)." FROM "._MYSQL_PREFIX."_".$table." WHERE ".$idRow."=%s LIMIT 1";
273 return SQL_QUERY_ESC($SQL, array(bigintval($id)), __FILE__, __LINE__);
275 // ALTER TABLE wrapper function
276 function SQL_ALTER_TABLE($sql, $F, $L) {
278 if (eregi("ADD", $sql) > 0) {
279 // Extract table name
280 $tableArray = explode(" ", $sql);
281 $tableName = str_replace("`", "", $tableArray[2]);
283 // And column name as well
284 $columnName = str_replace("`", "", $tableArray[4]);
286 // Get column information
287 $result = SQL_QUERY_ESC("SHOW COLUMNS FROM %s LIKE '%s'",
288 array($tableName, $columnName), __FILE__, __LINE__);
290 // Do we have no entry?
291 if (SQL_NUMROWS($result) == 0) {
293 return SQL_QUERY($sql, $F, $L, false);
296 // Send it to the SQL_QUERY() function
297 return SQL_QUERY($sql, $F, $L, false);