drupal_set_message

Sets a message which reflects the status of the performed operation.

If the function is called with no arguments, this function returns all set messages without clearing them.

Parameters

$message: The message to be displayed to the user. For consistency with other messages, it should begin with a capital letter and end with a period.

$type: The type of the message. One of the following values are possible:

• 'status'
• 'warning'
• 'error'

$repeat: If this is FALSE and the message is already set, then the message won't be repeated.

244 calls to drupal_set_message()

File

core/includes/bootstrap.inc, line 1668

Functions that need to be loaded on every Drupal request.

Code

function drupal_set_message($message = NULL, $type = 'status', $repeat = TRUE) {
  if ($message) {
    if (!isset($_SESSION['messages'][$type])) {
      $_SESSION['messages'][$type] = array();
    }

    if ($repeat || !in_array($message, $_SESSION['messages'][$type])) {
      $_SESSION['messages'][$type][] = $message;
    }

    // Mark this page as being uncacheable.
    drupal_page_is_cacheable(FALSE);
  }

  // Messages not set when DB connection fails.
  return isset($_SESSION['messages']) ? $_SESSION['messages'] : NULL;
}