function _drupal_decode_exception

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().

File

includes/errors.inc, line 86

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->errorInfo['query_string'], $exception->errorInfo['args'])) {
            $message .= ": " . $exception->errorInfo['query_string'] . "; " . print_r($exception->errorInfo['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,
    );
}