4 * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
5 * Copyright (C) 2002-2010 The Nucleus Group
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 * (see nucleus/documentation/index.html#license for more info)
14 * @license http://nucleuscms.org/license.txt GNU General Public License
15 * @copyright Copyright (C) 2002-2010 The Nucleus Group
20 * complete sql_* wrappers for mysql functions
22 * functions moved from globalfunctions.php: sql_connect, sql_disconnect, sql_query
28 if (function_exists('mysql_query') && !function_exists('sql_fetch_assoc'))
31 *Errors before the database connection has been made
33 function startUpError($msg, $title) {
35 <html xmlns="http://www.w3.org/1999/xhtml">
36 <head><title><?php echo htmlspecialchars($title)?></title></head>
38 <h1><?php echo htmlspecialchars($title)?></h1>
47 * Connects to mysql server with arguments
49 function sql_connect_args($mysql_host = 'localhost', $mysql_user = '', $mysql_password = '', $mysql_database = '') {
51 $CONN = @mysql_connect($mysql_host, $mysql_user, $mysql_password);
52 if ($mysql_database) mysql_select_db($mysql_database,$CONN);
58 * Connects to mysql server
60 function sql_connect() {
61 global $MYSQL_HOST, $MYSQL_USER, $MYSQL_PASSWORD, $MYSQL_DATABASE, $MYSQL_CONN;
63 $MYSQL_CONN = @mysql_connect($MYSQL_HOST, $MYSQL_USER, $MYSQL_PASSWORD) or startUpError('<p>Could not connect to MySQL database.</p>', 'Connect Error');
64 mysql_select_db($MYSQL_DATABASE) or startUpError('<p>Could not select database: ' . mysql_error() . '</p>', 'Connect Error');
66 // <add for garble measure>
67 $resource = sql_query("show variables LIKE 'character_set_database'");
68 $fetchDat = sql_fetch_assoc($resource);
69 $charset = $fetchDat['Value'];
70 $mySqlVer = implode('.', array_map('intval', explode('.', sql_get_server_info($MYSQL_CONN))));
71 if ($mySqlVer >= '5.0.7' && phpversion() >= '5.2.3') {
72 mysql_set_charset($charset);
73 } elseif ($mySqlVer >= '4.1.0') {
74 sql_query("SET CHARACTER SET " . $charset);
76 // </add for garble measure>*/
82 * disconnects from SQL server
84 function sql_disconnect($conn = false) {
86 if (!$conn) $conn = $MYSQL_CONN;
90 function sql_close($conn = false) {
92 if (!$conn) $conn = $MYSQL_CONN;
97 * executes an SQL query
99 function sql_query($query, $conn = false) {
100 global $SQLCount,$MYSQL_CONN;
101 if (!$conn) $conn = $MYSQL_CONN;
103 $res = mysql_query($query,$conn) or print("mySQL error with query $query: " . mysql_error($conn) . '<p />');
108 * executes an SQL error
110 function sql_error($conn = false)
113 if (!$conn) $conn = $MYSQL_CONN;
114 return mysql_error($conn);
118 * executes an SQL db select
120 function sql_select_db($db,$conn = false)
123 if (!$conn) $conn = $MYSQL_CONN;
124 return mysql_select_db($db,$conn);
128 * executes an SQL real escape
130 function sql_real_escape_string($val,$conn = false)
133 if (!$conn) $conn = $MYSQL_CONN;
134 return mysql_real_escape_string($val,$conn);
138 * executes an PDO::quote() like escape, ie adds quotes arround the string and escapes chars as needed
140 function sql_quote_string($val,$conn = false) {
142 if (!$conn) $conn = $MYSQL_CONN;
143 return "'".mysql_real_escape_string($val,$conn)."'";
147 * executes an SQL insert id
149 function sql_insert_id($conn = false)
152 if (!$conn) $conn = $MYSQL_CONN;
153 return mysql_insert_id($conn);
157 * executes an SQL result request
159 function sql_result($res, $row, $col)
161 return mysql_result($res,$row,$col);
165 * frees sql result resources
167 function sql_free_result($res)
169 return mysql_free_result($res);
173 * returns number of rows in SQL result
175 function sql_num_rows($res)
177 return mysql_num_rows($res);
181 * returns number of rows affected by SQL query
183 function sql_affected_rows($conn = false)
186 if (!$conn) $conn = $MYSQL_CONN;
187 return mysql_affected_rows($conn);
191 * Get number of fields in result
193 function sql_num_fields($res)
195 return mysql_num_fields($res);
199 * fetches next row of SQL result as an associative array
201 function sql_fetch_assoc($res)
203 return mysql_fetch_assoc($res);
207 * Fetch a result row as an associative array, a numeric array, or both
209 function sql_fetch_array($res)
211 return mysql_fetch_array($res);
215 * fetches next row of SQL result as an object
217 function sql_fetch_object($res)
219 return mysql_fetch_object($res);
223 * Get a result row as an enumerated array
225 function sql_fetch_row($res)
227 return mysql_fetch_row($res);
231 * Get column information from a result and return as an object
233 function sql_fetch_field($res,$offset = 0)
235 return mysql_fetch_field($res,$offset);
239 * Get current system status (returns string)
241 function sql_stat($conn=false)
244 if (!$conn) $conn = $MYSQL_CONN;
245 return mysql_stat($conn);
249 * Returns the name of the character set
251 function sql_client_encoding($conn=false)
254 if (!$conn) $conn = $MYSQL_CONN;
255 return mysql_client_encoding($conn);
259 * Get SQL client version
261 function sql_get_client_info()
263 return mysql_get_client_info();
267 * Get SQL server version
269 function sql_get_server_info($conn=false)
272 if (!$conn) $conn = $MYSQL_CONN;
273 return mysql_get_server_info($conn);
277 * Returns a string describing the type of SQL connection in use for the connection or FALSE on failure
279 function sql_get_host_info($conn=false)
282 if (!$conn) $conn = $MYSQL_CONN;
283 return mysql_get_host_info($conn);
287 * Returns the SQL protocol on success, or FALSE on failure.
289 function sql_get_proto_info($conn=false)
292 if (!$conn) $conn = $MYSQL_CONN;
293 return mysql_get_proto_info($conn);
297 * Get the name of the specified field in a result
299 function sql_field_name($res, $offset = 0)
301 return mysql_field_name($res, $offset);
304 /**************************************************************************
305 Unimplemented mysql_* functions
307 # mysql_ data_ seek (maybe useful)
308 # mysql_ errno (maybe useful)
309 # mysql_ fetch_ lengths (maybe useful)
310 # mysql_ field_ flags (maybe useful)
311 # mysql_ field_ len (maybe useful)
312 # mysql_ field_ seek (maybe useful)
313 # mysql_ field_ table (maybe useful)
314 # mysql_ field_ type (maybe useful)
315 # mysql_ info (maybe useful)
316 # mysql_ list_ processes (maybe useful)
317 # mysql_ ping (maybe useful)
318 # mysql_ set_ charset (maybe useful, requires php >=5.2.3 and mysql >=5.0.7)
319 # mysql_ thread_ id (maybe useful)
321 # mysql_ db_ name (useful only if working on multiple dbs which we do not do)
322 # mysql_ list_ dbs (useful only if working on multiple dbs which we do not do)
324 # mysql_ pconnect (probably not useful and could cause some unintended performance issues)
325 # mysql_ unbuffered_ query (possibly useful, but complicated and not supported by all database drivers (pdo))
327 # mysql_ change_ user (deprecated)
328 # mysql_ create_ db (deprecated)
329 # mysql_ db_ query (deprecated)
330 # mysql_ drop_ db (deprecated)
331 # mysql_ escape_ string (deprecated)
332 # mysql_ list_ fields (deprecated)
333 # mysql_ list_ tables (deprecated)
334 # mysql_ tablename (deprecated)
336 *******************************************************************/