Setting up a Drupal 7 Batch for Callbacks

batch_example.php

//menu callback function - sets up the batch
function batch_dom_parse_to_node($all_raw_hyperlinks,$progress,$ceiling) {
  $batch = array(
    'operations' => array(),
    'finished' => 'dom_parse_to_node_batch_finished', // runs after batch is finished
    'title' => t('Processing Import'),
    'init_message' => t('Import is starting.'),
    'progress_message' => t('Processed @current out of @total.'),
    'error_message' => t('Import has encountered an error.'),
  );
  $max = 120; // how many records to process until stop - can do query here to get max times to run
//$max = count($all_raw_hyperlinks);
  
  while ($progress <= $max) {
    drupal_set_message("Progress and ceiling ". $progress." and ".$ceiling);
    $batch['operations'][] = array('dom_parse_to_node_parser', array($all_raw_hyperlinks,$progress,$ceiling));   
    $progress = $progress + $ceiling;
  } 
  batch_set($batch);
//batch_process('admin/dom_parse_to_node'); // page to return to after complete
}