batch_example_batch_2

Batch 2 : Prepare a batch definition that will load all nodes 20 times.

Related topics

Example: Batch API

Outlines how a module can use the Batch API.

File

batch_example/batch_example.module, line 140

Outlines how a module can use the Batch API.

Code

function batch_example_batch_2() {
  $num_operations = 20;

  // Give helpful information about how many nodes are being operated on.
  $node_count = db_query('SELECT COUNT(DISTINCT nid) FROM {node}')->fetchField();
  drupal_set_message(t('There are @node_count nodes so each of the @num operations will require @count HTTP requests.', array('@node_count' => $node_count, '@num' => $num_operations, '@count' => ceil($node_count / 5))));

  $operations = array();
  // 20 operations, each one loads all nodes.
  for ($i = 0; $i < $num_operations; $i++) {
    $operations[] = array('batch_example_op_2', array(t('(Operation @operation)', array('@operation' => $i))));
  }
  $batch = array(
    'operations' => $operations, 
    'finished' => 'batch_example_finished',
    // We can define custom messages instead of the default ones. 
    'title' => t('Processing batch 2'), 
    'init_message' => t('Batch 2 is starting.'), 
    'progress_message' => t('Processed @current out of @total.'), 
    'error_message' => t('Batch 2 has encountered an error.'),
  );
  return $batch;
}