2 /**********************************************************************
3 Copyright (C) FrontAccounting, LLC.
4 Released under the terms of the GNU General Public License, GPL,
5 as published by the Free Software Foundation, either version 3
6 of the License, or (at your option) any later version.
7 This program is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY; without even the implied warranty of
9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
10 See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
11 ***********************************************************************/
13 function set_global_connection()
17 if (isset($_SESSION["wa_current_user"]) && $_SESSION["wa_current_user"]->company !='')
18 $db = $_SESSION["wa_current_user"]->get_db_connection();
23 $db_duplicate_error_code = 1062;
25 //DB wrapper functions to change only once for whole application
27 function db_query($sql, $err_msg=null)
29 global $db, $show_sql, $sql_trail, $select_trail, $go_debug;
31 if (!$err_msg && $go_debug)
32 $err_msg = "Debug mode error";
33 //echo "<br>$sql<br>";
36 echo "<font face=arial size=2 color=000099><b>SQL..</b></font>";
43 $result = mysql_query($sql, $db);
45 if ($select_trail || (strstr($sql, 'SELECT') === false)) {
47 "INSERT INTO ".TB_PREF."sql_trail
48 (`sql`, `result`, `msg`)
49 VALUES(".db_escape($sql).",".($result ? 1 : 0).",
50 ".db_escape($err_msg).")", $db);
55 if (function_exists('xdebug_call_file'))
56 check_db_error('<br>At file '.xdebug_call_file().':'.xdebug_call_line().':<br>'.$err_msg, $sql);
58 check_db_error($err_msg, $sql);
63 function db_fetch_row ($result)
66 return mysql_fetch_row($result);
69 function db_fetch_assoc ($result)
72 return mysql_fetch_assoc($result);
75 function db_fetch ($result)
78 return mysql_fetch_array($result);
81 function db_seek (&$result,$record)
83 return mysql_data_seek($result, $record);
86 function db_free_result ($result)
89 mysql_free_result($result);
92 function db_num_rows (&$result)
94 return mysql_num_rows($result);
97 function db_num_fields ($result)
99 return mysql_num_fields($result);
102 function db_escape($value = "", $nullify = false)
104 $value = @htmlspecialchars($value, ENT_COMPAT, $_SESSION['language']->encoding);
106 //reset default if second parameter is skipped
107 $nullify = ($nullify === null) ? (false) : ($nullify);
109 //check for null/unset/empty strings
110 if ((!isset($value)) || (is_null($value)) || ($value === "")) {
111 $value = ($nullify) ? ("NULL") : ("''");
113 if (is_string($value)) {
114 //value is a string and should be quoted; determine best method based on available extensions
115 if (function_exists('mysql_real_escape_string')) {
116 $value = "'" . mysql_real_escape_string($value) . "'";
118 $value = "'" . mysql_escape_string($value) . "'";
120 } else if (!is_numeric($value)) {
121 //value is not a string nor numeric
122 display_error("ERROR: incorrect data type send to sql query");
130 function db_error_no ()
133 return mysql_errno($db);
136 function db_error_msg($conn)
138 return mysql_error($conn);
141 function db_insert_id()
144 return mysql_insert_id($db);
147 function db_num_affected_rows()
150 return mysql_affected_rows($db);