function _drupal_decode_exception in Drupal 7

Decodes an exception and retrieves the correct caller.

Parameters

$exception: The exception object that was thrown.

Return value

An error in the format expected by _drupal_log_error().

5 calls to _drupal_decode_exception()

DrupalTestCase::exceptionHandler in modules/simpletest/drupal_web_test_case.php

Handle exceptions.

update_do_one in includes/update.inc

Implements callback_batch_operation().

watchdog_exception in includes/bootstrap.inc

Logs an exception.

_drupal_exception_handler in includes/bootstrap.inc

Provides custom PHP exception handling.

_drupal_render_exception_safe in includes/errors.inc

Renders an exception error message without further exceptions.

File

includes/errors.inc, line 85

Functions for error handling.

Code

function _drupal_decode_exception($exception) {
  $message = $exception
    ->getMessage();
  $backtrace = $exception
    ->getTrace();

  // Add the line throwing the exception to the backtrace.
  array_unshift($backtrace, array(
    'line' => $exception
      ->getLine(),
    'file' => $exception
      ->getFile(),
  ));

  // For PDOException errors, we try to return the initial caller,
  // skipping internal functions of the database layer.
  if ($exception instanceof PDOException) {

    // The first element in the stack is the call, the second element gives us the caller.
    // We skip calls that occurred in one of the classes of the database layer
    // or in one of its global functions.
    $db_functions = array(
      'db_query',
      'db_query_range',
    );
    while (!empty($backtrace[1]) && ($caller = $backtrace[1]) && (isset($caller['class']) && (strpos($caller['class'], 'Query') !== FALSE || strpos($caller['class'], 'Database') !== FALSE || strpos($caller['class'], 'PDO') !== FALSE) || in_array($caller['function'], $db_functions))) {

      // We remove that call.
      array_shift($backtrace);
    }
    if (isset($exception->query_string, $exception->args)) {
      $message .= ": " . $exception->query_string . "; " . print_r($exception->args, TRUE);
    }
  }
  $caller = _drupal_get_last_caller($backtrace);
  return array(
    '%type' => get_class($exception),
    // The standard PHP exception handler considers that the exception message
    // is plain-text. We mimic this behavior here.
    '!message' => check_plain($message),
    '%function' => $caller['function'],
    '%file' => $caller['file'],
    '%line' => $caller['line'],
    'severity_level' => WATCHDOG_ERROR,
  );
}