function drush_webform_clear in Webform 7.4

Clears a webform via drush.

This is useful for webforms with many submissions that would otherwise fail due to time out due or memory consumption.

Parameters

int $nid: Node ID of the webform to clear.

File

./webform.drush.inc, line 179

Functions relating to Drush integration.

Code

function drush_webform_clear($nid = FALSE) {
  if (!$nid) {
    return drush_set_error('The node ID of the webform to be cleared is required.');
  }
  $node = node_load($nid);
  if (!$node) {
    return drush_set_error(dt('Node !nid was not found.', array(
      '!nid' => $nid,
    )));
  }
  if (!drush_confirm(dt('Clear submissions from webform "@title"?', array(
    '@title' => $node->title,
  )))) {
    return drush_set_error('webform-clear cancelled.');
  }

  // @code
  // module_load_include('inc', 'webform', 'includes/webform.submissions');
  // module_load_include('inc', 'webform', 'includes/webform.components');
  // @endcode
  module_load_include('inc', 'webform', 'includes/webform.report');

  // Pull in option from drush to override the default.
  $batch_size = drush_get_option('batch-size', 10000);
  $count = 0;
  while ($deleted = webform_results_clear($nid, $batch_size)) {
    $count += $deleted;
  }

  // Alas, there is no drush version of format_plural, so use the ugly "(s)".
  drush_log(dt('@count submission(s) in webform "@title" cleared.', array(
    '@count' => $count,
    '@title' => $node->title,
  )), 'ok');
}