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fix backtrace filtering

The backtrace was filtered to remove CI system files,
but the filter was buggy.  It would also filter out
application files which happened to contain the string "system"...
or ALL files, if the application directory is under /system/
(Perhaps the latter comes as a surprise, but it's explicitly
 mentioned in index.php and <>).

Instead, we should test whether the file is underneath BASEPATH
(using realpath() to make sure we have the same sort of slashes).
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1 parent b3d7443 commit 04d4091dfa551475998c351e09858e5ebdcf4482 @sourcejedi committed Apr 30, 2012
Showing with 4 additions and 1 deletion.
  1. +4 −1 application/errors/error_php.php
@@ -40,12 +40,15 @@
<p>Backtrace: </p>
<?php foreach(debug_backtrace() as $error): ?>
- <?php if(isset($error['file']) && ! stristr($error['file'], SYSDIR)): ?>
+ <?php if(isset($error['file']) &&
+ strpos($error['file'], realpath(BASEPATH)) !== 0): ?>
<p style="margin-left:10px">
File: <?php echo $error['file'] ?><br />
Line: <?php echo $error['line'] ?><br />
Function: <?php echo $error['function'] ?>
<?php endif ?>
<?php endforeach ?></p>

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