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ENH Refactor Backtrace to be a bit more readable.

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This commit is contained in:
Guy Sartorelli 2022-06-23 13:57:08 +12:00
parent 139fa07bcb
commit 7f7feb8604
1 changed files with 7 additions and 6 deletions
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13
src/Dev/Backtrace.php
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@ -13,11 +13,12 @@ class Backtrace
use Configurable;
/**
* @var array Replaces all arguments with a '<filtered>' string,
* Replaces all arguments with a '<filtered>' string,
* mostly for security reasons. Use string values for global functions,
* and array notation for class methods.
* PHP's debug_backtrace() doesn't allow to inspect the argument names,
* so all arguments of the provided functions will be filtered out.
* @var array
*/
private static $ignore_function_args = [
'mysql_connect',
@ -107,22 +108,22 @@ class Backtrace
// Filter out arguments
foreach ($bt as $i => $frame) {
$match = false;
if (!empty($bt[$i]['class'])) {
if (!empty($frame['class'])) {
foreach ($ignoredArgs as $fnSpec) {
if (is_array($fnSpec) &&
('*' == $fnSpec[0] || $bt[$i]['class'] == $fnSpec[0]) &&
$bt[$i]['function'] == $fnSpec[1]
('*' == $fnSpec[0] || $frame['class'] == $fnSpec[0]) &&
$frame['function'] == $fnSpec[1]
) {
$match = true;
}
}
} else {
if (in_array($bt[$i]['function'], $ignoredArgs ?? [])) {
if (in_array($frame['function'], $ignoredArgs ?? [])) {
$match = true;
}
}
if ($match) {
foreach ($bt[$i]['args'] as $j => $arg) {
foreach ($frame['args'] as $j => $arg) {
$bt[$i]['args'][$j] = '<filtered>';
}
}