extending-wp-query.php

<?php
/**
 * Abstracting the featured Ads Query so that we don't have to retype it all over
 *
 * @class   WP_Query
 * @uses    wp_parse_args
 *
 * @since 	1.0
 * @author  SFNdesign, Curtis McHale
 */
class Paths_Portfolio_Query extends WP_Query{

    function __construct( $args = array() ){

        $args = wp_parse_args( $args, array(
            'post_type'         => 'portfolio',
            'posts_per_page'    => '4',
            'orderby'           => 'rand',
        ) );

        parent::__construct( $args );

    } // __construct

} // Paths_Portfolio_Query


$new_query = new Paths_Portfolio_Query( array( 'posts_per_page' => '10' ) );