gistfile1.php

<?php

/**
 * Loads a node from cck values.
 */
function welcom_node_load($node_data, $type = NULL) {
  // Create a new view
  $view = views_new_view();
  $view->name = 'cck_node_lookup';
  $view->base_table = 'node';
  $view->is_cacheable = FALSE;
  $view->api_version = 2;
  $handler = $view->new_display('default', 'Defaults', 'default');
  $handler->override_option('items_per_page', 1);
  $handler->override_option('fields', array(
    'nid' => array(
      'id' => 'nid',
      'table' => 'node',
      'field' => 'nid',
    ),
  ));

  $filters = array();
  foreach ((array)$node_data as $field_name => $value) {
    $filters[$field_name . '_value'] = array(
      'operator' => '=',
      'value' => array(
        'value' => $value,
      ),
      'id' => $field_name . '_value',
      'table' => 'node_data_' . $field_name,
      'field' => $field_name . '_value',
    );
  }
  if ($type) {
    $filters['type'] = array(
      'operator' => '=',
      'value' => array(
        $type => $type,
      ),
      'id' => 'type',
      'table' => 'node',
      'field' => 'type',
    );
  }
  $handler->override_option('filters', $filters);
  $views[$view->name] = $view;

  $view->execute();
  if (isset($view->result[0])) {
    $node = node_load($view->result[0]->nid);
    return $node;
  }
}