function backtrace_error_handler
Same name in other branches
- 6.x-1.x devel.module \backtrace_error_handler()
- 7.x-1.x devel.module \backtrace_error_handler()
- 8.x-1.x devel.module \backtrace_error_handler()
- 5.x devel.module \backtrace_error_handler()
Displays backtrace showing the route of calls to the current error.
Parameters
int $error_level: The level of the error raised.
string $message: The error message.
string $filename: (optional) The filename that the error was raised in.
int $line: (optional) The line number the error was raised at.
array $context: (optional) An array that points to the active symbol table at the point the error occurred.
2 string references to 'backtrace_error_handler'
- DevelDumperBase::getInternalFunctions in src/
DevelDumperBase.php - Returns a list of internal functions.
- devel_set_handler in ./
devel.module - Sets a new error handler or restores the prior one.
File
-
./
devel.module, line 198
Code
function backtrace_error_handler($error_level, $message, $filename = NULL, $line = NULL, array $context = NULL) {
// Hide stack trace and parameters from unqualified users.
if (!\Drupal::currentUser()->hasPermission('access devel information')) {
// Do what core does in bootstrap.inc and errors.inc.
// (We need to duplicate the core code here rather than calling it
// to avoid having the backtrace_error_handler() on top of the call stack.)
if ($error_level & error_reporting()) {
$types = drupal_error_levels();
[
$severity_msg,
$severity_level,
] = $types[$error_level];
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
$caller = Error::getLastCaller($backtrace);
// We treat recoverable errors as fatal.
_drupal_log_error([
'%type' => isset($types[$error_level]) ? $severity_msg : 'Unknown error',
'@message' => $message,
'%function' => $caller['function'],
'%file' => $caller['file'],
'%line' => $caller['line'],
'severity_level' => $severity_level,
'backtrace' => $backtrace,
], $error_level == E_RECOVERABLE_ERROR);
}
return;
}
// Don't respond to the error if it was suppressed with a '@'.
if (error_reporting() == 0) {
return;
}
// Don't respond to warning caused by ourselves.
if (preg_match('#Cannot modify header information - headers already sent by \\([^\\)]*[/\\\\]devel[/\\\\]#', $message)) {
return;
}
if ($error_level & error_reporting()) {
// Only write each distinct NOTICE message once, as repeats do not give any
// further information and can choke the page output.
if ($error_level == E_NOTICE) {
static $written = [];
if (!empty($written[$line][$filename][$message])) {
return;
}
$written[$line][$filename][$message] = TRUE;
}
$types = drupal_error_levels();
[
$severity_msg,
$severity_level,
] = $types[$error_level];
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
$caller = Error::getLastCaller($backtrace);
$variables = [
'%type' => isset($types[$error_level]) ? $severity_msg : 'Unknown error',
'@message' => $message,
'%function' => $caller['function'],
'%file' => $caller['file'],
'%line' => $caller['line'],
];
$msg = t('%type: @message in %function (line %line of %file).', $variables);
// Show message if error_level is ERROR_REPORTING_DISPLAY_SOME or higher.
// (This is Drupal's error_level, which is different from $error_level,
// and we purposely ignore the difference between _SOME and _ALL,
// see #970688!)
if (\Drupal::config('system.logging')->get('error_level') != 'hide') {
$error_handlers = devel_get_handlers();
if (!empty($error_handlers[DEVEL_ERROR_HANDLER_STANDARD])) {
\Drupal::messenger()->addMessage($msg, $severity_level <= RfcLogLevel::NOTICE ? MessengerInterface::TYPE_ERROR : MessengerInterface::TYPE_WARNING, TRUE);
}
if (!empty($error_handlers[DEVEL_ERROR_HANDLER_BACKTRACE_KINT])) {
print kpr(ddebug_backtrace(TRUE, 1), TRUE, $msg);
}
if (!empty($error_handlers[DEVEL_ERROR_HANDLER_BACKTRACE_DPM])) {
dpm(ddebug_backtrace(TRUE, 1), $msg, 'warning');
}
}
\Drupal::logger('php')->log($severity_level, $msg);
}
}