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 ***********************************************************************/
12 $messages = array(); // container for system messages
13 $before_box = ''; // temporary container for output html data before error box
15 function get_backtrace($html = false, $skip=0)
18 if ($html) $str .= '<table border=0>';
19 $trace = debug_backtrace();
21 foreach($trace as $trn => $tr) {
22 if ($trn <= $skip) continue;
23 if ($html) $str .= '<tr><td>';
24 $str .= $tr['file'].':'.$tr['line'].': ';
25 if ($html) $str .= '</td><td>';
26 if (isset($tr['type'])) {
27 if($tr['type'] == '::') {
28 $str .= $tr['class'].'::';
29 } else if($tr['type'] == '->') {
30 $str .= '('.$tr['class'].' Object)'.'->';
33 $str .= $tr['function'].'(';
35 if(is_array($tr['args'])) {
37 foreach($tr['args'] as $n=>$a) {
38 if (is_object($tr['args'][$n]))
39 $args[$n] = "(".get_class($tr['args'][$n])." Object)";
40 elseif (is_array($tr['args'][$n]))
41 $args[$n] = "(Array[".count($tr['args'][$n])."])";
43 $args[$n] = "'".$tr['args'][$n]."'";
45 $str .= implode(',',$args);
50 if ($html) $str .= '</tr></table>';
54 //-----------------------------------------------------------------------------
55 // Error handler - collects all php/user messages for
56 // display in message box.
58 function error_handler($errno, $errstr, $file, $line) {
59 global $messages, $go_debug, $SysPrefs;
61 // skip well known warnings we don't care about.
62 // Please use restrainedly to not risk loss of important messages
63 $excluded_warnings = array(
64 'html_entity_decode', 'htmlspecialchars', // nevermind encodings, special chars are processed anyway
65 'should be compatible with that' // ignore cpdf/frontreport wrapper warnings
67 foreach($excluded_warnings as $ref) {
68 if (strpos($errstr, $ref) !== false) {
74 $bt = get_backtrace(true, 1);
77 // error_reporting==0 when messages are set off with @
78 if ($errno & error_reporting()) {
79 // suppress duplicated errors
80 if (!in_array(array($errno, $errstr, $file, $line, @$bt), $messages))
81 $messages[] = array($errno, $errstr, $file, $line, @$bt);
83 else if($errno&~E_NOTICE) { // log all not displayed messages
84 $user = @$_SESSION["wa_current_user"]->loginname;
85 $context = isset($SysPrefs) && !$SysPrefs->db_ok ? '[before upgrade]' : '';
86 error_log(user_company() . ":$user:". basename($file) .":$line:$context $errstr");
91 //------------------------------------------------------------------------------
92 // Formats system messages before insert them into message <div>
93 // FIX center is unused now
94 function fmt_errors($center=false) {
95 global $messages, $path_to_root, $go_debug;
98 E_USER_ERROR => 'err_msg',
99 E_USER_WARNING =>'warn_msg',
100 E_USER_NOTICE => 'note_msg');
102 $type = E_USER_NOTICE;
104 // $class = 'no_msg';
105 if (count($messages)) {
106 foreach($messages as $cnt=>$msg) {
107 if ($go_debug && $msg[0]>E_USER_NOTICE)
110 if ($msg[0]>$type) continue;
113 if ($msg[0] == E_USER_WARNING) {
114 $type = E_USER_WARNING; // user warnings
115 $content = ''; // clean notices when we have errors
117 $type = E_USER_ERROR; // php or user errors
118 if($type == E_USER_WARNING)
119 $content = ''; // clean other messages
124 if (!in_array($msg[0], array(E_USER_NOTICE, E_USER_ERROR, E_USER_WARNING)) && $msg[2] != null)
125 $str .= ' '._('in file').': '.$msg[2].' '._('at line ').$msg[3];
127 if ($go_debug>1 && $type!=E_USER_NOTICE && $type!=E_USER_WARNING)
128 $str .= '<br>'.$msg[4];
129 $content .= ($cnt ? '<hr>' : '').$str;
131 $class = $msg_class[$type];
132 $content = "<div class='$class'>$content</div>";
134 if ($path_to_root=='.')
138 //-----------------------------------------------------------------------------
139 // Error box <div> element.
141 function error_box() {
144 echo "<div id='msgbox'>";
146 // Necessary restart instead of get_contents/clean calls due to a bug in php 4.3.2
147 $before_box = ob_get_clean(); // save html content before error box
148 ob_start('output_html');
152 Helper to avoid sparse log notices.
154 function end_flush() {
160 // on some (but not all) php versions zlib extension adds 1 additional level of buffering,
161 // so flush the last buffer outside the loop to be on safe side
162 while(ob_get_level() > 1)
166 // if any transaction was aborted unexpectedly rollback changes
167 cancel_transaction();
170 function display_db_error($msg, $sql_statement=null, $exit=true)
172 global $db, $debug, $go_debug, $db_connections;
174 $warning = $msg==null;
175 $db_error = db_error_no();
177 // $str = "<span class='errortext'><b>" . _("DATABASE ERROR :") . "</b> $msg</span><br>";
179 $str = "<b>" . _("Debug mode database warning:") . "</b><br>";
181 $str = "<b>" . _("DATABASE ERROR :") . "</b> $msg<br>";
185 $str .= "error code : " . $db_error . "<br>";
186 $str .= "error message : " . db_error_msg($db) . "<br>";
191 $cur_prefix = $db_connections[$_SESSION["wa_current_user"]->cur_con]['tbpref'];
193 $str .= "sql that failed was : ".str_replace(TB_PREF, $cur_prefix, $sql_statement)."<br>";
194 // if ($go_debug > 1) display_backtrace();
199 trigger_error($str, E_USER_ERROR);
200 else // $msg can be null here only in debug mode, otherwise the error is ignored
201 trigger_error($str, E_USER_WARNING);
206 function frindly_db_error($db_error)
208 global $db_duplicate_error_code;
210 if ($db_error == $db_duplicate_error_code)
212 display_error(_("The entered information is a duplicate. Please go back and enter different values."));
219 function check_db_error($msg, $sql_statement, $exit_if_error=true, $rollback_if_error=true)
221 global $db, $go_debug;
222 $db_error = db_error_no();
227 if ($go_debug || !frindly_db_error($db_error)) {
228 display_db_error($msg, $sql_statement, false);
231 if ($rollback_if_error)
233 $rollback_result = db_query("rollback");