Miscellaneous
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/* $Id$ */
function custom_error_handler ($errno, $msg, $file, $line, $context) {
switch ($errno) {
case E_ERROR:
case E_USER_ERROR:
$type = "FATAL";
__custom_error_log ($type, $msg, $file, $line);
__verbose_error ($type, $errno, $msg, $file, $line, $context);
if (defined ("DEBUG") && DEBUG)
__show_error_source ($type, $msg, $file, $line, "#c00000");
die ();
break;
case E_WARNING:
case E_USER_WARNING:
$type = "WARNING";
__custom_error_log ($type, $msg, $file, $line);
break;
case E_NOTICE:
case E_USER_NOTICE:
$type = "NOTICE";
break;
default:
$type = "ERROR ($errno)";
__custom_error_log ($type, $msg, $file, $line);
break;
}
if (defined ("DEBUG") && DEBUG)
__show_error_source ($type, $msg, $file, $line);
}
/* private_functions */
function __custom_error_log ($type, $msg, $file, $line)
{
global $HTTP_X_FORWARDED_FOR, $REMOTE_ADDR, $HTTP_USER_AGENT, $REQUEST_URI;
$ip_addr = $REMOTE_ADDR;
if ($HTTP_X_FORWARDED_FOR)
$ip_addr .= " ($HTTP_X_FORWARDED_FOR)";
if (defined ("APPNAME"))
$name = APPNAME;
else
$name = "php";
error_log ("[$name] $type: $msg in $file:$line
[$name-error-details] $ip_addr [$HTTP_USER_AGENT] URI: $REQUEST_URI", 0);
}
function __verbose_error ($type, $errno, $msg, $file, $line, $context) {
global $SERVER_ADMIN;
print "<h1>Error!</h1>";
print "An error occurred while executing this script. Please
contact the <a href=mailto:$SERVER_ADMIN>$SERVER_ADMIN</a> to
report this error.";
print "<p>";
print "Here is the information provided by the script:";
print "<hr><pre>";
print "Error type: $type (code: $errno)<br>";
print "Error message: $msg<br>";
print "Script name and line number of error: $file:$line<br>";
print "Variable context when error occurred: <br>";
print_r ($context);
print "</pre><hr>";
}
function __show_error_source ($type, $msg, $file, $line)
{
global $__src_array;
$line_offset = 3;
if (! isset ($__src_array[$file]))
$__src_array[$file] = @file ($file);
if (!$__src_array[$file])
return;
if ($line - $line_offset < 1)
$start = 1;
else
$start = $line - $line_offset;
if ($line + $line_offset > count ($__src_array[$file]))
$end = count ($__src_array[$file]);
else
$end = $line + $line_offset;
print "<table cellpadding=1 cellspacing=0 border=0 bgcolor=#808080 width=80%><tr><td>";
print "<table cellpadding=2 cellspacing=0 border=0 bgcolor=white width=100%>";
for ($i = $start; $i <= $end; $i++) {
$str = @highlight_string ("<?" . $__src_array[$file][$i-1] . "?>", TRUE);
$pos1 = strpos ($str,"<?");
$pos2 = strrpos ($str,"?>");
$str = substr ($str, 0, $pos1) .
substr ($str, $pos1+5, $pos2-($pos1+5)) .
substr ($str, $pos2+5);
($i == $line) ? $bgcolor = "bgcolor=#ffccaa" : $bgcolor = "";
print "<tr><td bgcolor=#d0d0d0 width=15 align=right><code>$i</code></td>
<td $bgcolor>$str</td></tr>";
}
print "<tr bgcolor=#c00000>
<td colspan=2 nowrap>
<font color=#ffffaa><code> $type: $msg</code></font>
</td></tr>
</table></td></tr></table><code><font color=gray>File: $file</font></code><p>";
}
?>
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Usage Example
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<?php
define ("DEBUG", TRUE);
include "error.inc";
set_error_handler ("custom_error_handler");
error_reporting (E_ALL);
join ("", ""); // should generate a warning
?>
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