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) $str .= '<tr><td>';
24 if (isset($tr['file']) && isset($tr['line']))
25 $str .= $tr['file'].':'.$tr['line'].': ';
26 if ($html) $str .= '</td><td>';
27 if (isset($tr['type'])) {
28 if($tr['type'] == '::') {
29 $str .= $tr['class'].'::';
30 } else if($tr['type'] == '->') {
31 $str .= '('.$tr['class'].' Object)'.'->';
34 $str .= $tr['function'].'(';
36 if(isset($tr['args']) && is_array($tr['args'])) {
38 foreach($tr['args'] as $n=>$a) {
39 if (is_object($tr['args'][$n]))
40 $args[$n] = "(".get_class($tr['args'][$n])." Object)";
41 elseif (is_array($tr['args'][$n]))
42 $args[$n] = "(Array[".count($tr['args'][$n])."])";
44 $args[$n] = "'".$tr['args'][$n]."'";
46 $str .= implode(',',$args);
51 if ($html) $str .= '</tr></table>';
55 //-----------------------------------------------------------------------------
56 // Error handler - collects all php/user messages for
57 // display in message box.
59 function error_handler($errno, $errstr, $file, $line) {
60 global $messages, $SysPrefs;
62 // skip well known warnings we don't care about.
63 // Please use restrainedly to not risk loss of important messages
64 $excluded_warnings = array(
65 'html_entity_decode', // nevermind encodings, special chars are processed anyway
66 'should be compatible with that', // ignore cpdf/frontreport wrapper warnings
67 'mysql extension is deprecated' // ignore strict warning in 5.4
69 foreach($excluded_warnings as $ref) {
70 if (strpos($errstr, $ref) !== false) {
75 $bt = isset($SysPrefs) && $SysPrefs->go_debug>1 ? get_backtrace(true, 1) : array();
77 // error_reporting==0 when messages are set off with @
78 if ($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 && $errstr != '') { // 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 $errstr");
92 function exception_handler($exception)
94 error_handler(E_ERROR, sprintf(_("Unhandled exception [%s]: %s."), $exception->getCode(), $exception->getMessage()),
95 $exception->getFile(), $exception->getLine());
98 //------------------------------------------------------------------------------
99 // Formats system messages before insert them into message <div>
100 // FIX center is unused now
101 function fmt_errors($center=false) {
102 global $messages, $path_to_root, $SysPrefs;
105 E_USER_ERROR => 'err_msg',
106 E_USER_WARNING =>'warn_msg',
107 E_USER_NOTICE => 'note_msg');
109 $type = E_USER_NOTICE;
112 if (count($messages)) {
113 foreach($messages as $cnt=>$msg) {
114 if ($SysPrefs->go_debug && $msg[0]>E_USER_NOTICE)
117 if ($msg[0]>$type) continue;
120 if ($msg[0] == E_USER_WARNING) {
121 $type = E_USER_WARNING; // user warnings
122 $content = ''; // clean notices when we have errors
124 $type = E_USER_ERROR; // php or user errors
125 if($type == E_USER_WARNING)
126 $content = ''; // clean other messages
131 if (!in_array($msg[0], array(E_USER_NOTICE, E_USER_ERROR, E_USER_WARNING)) && $msg[2] != null)
132 $str .= ' '._('in file').': '.$msg[2].' '._('at line ').$msg[3];
134 if ($SysPrefs->go_debug>1 && $type!=E_USER_NOTICE && $type!=E_USER_WARNING)
135 $str .= '<br>'.$msg[4];
136 $content .= ($cnt ? '<hr>' : '').$str;
138 $class = $msg_class[$type];
139 $content = "<div class='$class'>$content</div>";
140 } elseif ($path_to_root=='.')
144 //-----------------------------------------------------------------------------
145 // Error box <div> element.
147 function error_box() {
150 echo "<div id='msgbox'>";
152 // Necessary restart instead of get_contents/clean calls due to a bug in php 4.3.2
153 $before_box = ob_get_clean(); // save html content before error box
154 ob_start('output_html');
158 Helper to avoid sparse log notices.
160 function end_flush() {
166 // on some (but not all) php versions zlib extension adds 1 additional level of buffering,
167 // so flush the last buffer outside the loop to be on safe side
168 while(ob_get_level() > 1)
172 // if any transaction was aborted unexpectedly rollback changes
173 cancel_transaction();
176 function display_db_error($msg, $sql_statement=null, $exit=true)
178 global $db, $SysPrefs, $db_connections;
180 $warning = $msg==null;
181 $db_error = db_error_no();
184 $str = "<b>" . _("Debug mode database warning:") . "</b><br>";
186 $str = "<b>" . _("DATABASE ERROR :") . "</b> $msg<br>";
190 $str .= "error code : " . $db_error . "<br>";
191 $str .= "error message : " . db_error_msg($db) . "<br>";
194 if ($SysPrefs->debug == 1)
196 $cur_prefix = $db_connections[$_SESSION["wa_current_user"]->cur_con]['tbpref'];
198 $str .= "sql that failed was : ".str_replace(TB_PREF, $cur_prefix, $sql_statement)."<br>";
202 if (!$SysPrefs->go_debug)
206 trigger_error($str, E_USER_ERROR);
207 else // $msg can be null here only in debug mode, otherwise the error is ignored
208 trigger_error($str, E_USER_WARNING);
214 function frindly_db_error($db_error)
216 if ($db_error == DB_DUPLICATE_ERROR)
218 display_error(_("The entered information is a duplicate. Please go back and enter different values."));
225 function check_db_error($msg, $sql_statement, $exit_if_error=true, $rollback_if_error=true)
227 global $db, $SysPrefs;
228 $db_error = db_error_no();
233 if ($SysPrefs->go_debug || !frindly_db_error($db_error)) {
234 display_db_error($msg, $sql_statement, false);
237 if ($rollback_if_error)
239 $rollback_result = db_query("rollback");