EntityFieldQuery

EntityFieldQuery.example.php

    <?php 
    // build from drupal_get_query_parameters();
     $filterQuery = array('news', 'blog', 'article');
    // build query
    $query = new EntityFieldQuery();
    $query->entityCondition('entity_type', 'node');
    $query->propertyCondition('type', 'page');
    $query->propertyCondition('status', 1);
    $query->fieldCondition('field_page_type', 'value', $filterQuery, 'in');
    $query->propertyOrderBy('title', 'ASC');
    $results = $query->execute();
    
    // build renderable items
    $pages = array();
     if (isset($results['node'])) {
        $nodes = entity_load('node', array_keys($results['node']));
        $pages = entity_view('node', $nodes, 'teaser');
    }
    return $pages;
    ?>