Code from the Home page controller

home_controller.php

<?php

public function randomBanner(){

    $obj_local_venues = new Tracks;
    $local_venues = $obj_local_venues->getLocalVenues();

    $venue_ids = array();

    foreach( $local_venues as $venue ){
        $venue_ids[] = $venue->ID;
    }

    $random_venue_id = Helpers::makeRandom( $venue_ids );

    $args = array(
        'post_type' => 'events',
        'posts_per_page' => 1,
        'meta_query' => array(
            'relation' => 'AND',
            array(
                'key' => 'bmx_re_start_date',
                'value' => array( date('Y-m-d'), Helpers::plusMonth(6)),
                'type' => 'DATE',
                'compare' => 'BETWEEN'
            ),
            array(
                'key' => 'tracks_id',
                'value' => $random_venue_id,
                'compare' => '='
                )
            )
        );

    $query = new WP_Query( $args );
    $event = null;

    if ( $query->post_count == 0 ) {
        $event = false;
    } else {
        foreach( $query->posts as $post ){
            setup_postdata( $post );
            $event['title'] = $obj_local_venues->getMetaField( 'state', $random_venue_id ) . ' ' . $post->post_title;
            $event['link'] = "/events/" . $post->post_name;
            $event['date'] = Helpers::formatDate( $post->ID );
        }
    }
    return $event;
}
?>