$post_id = wp_insert_post(array(
            'post_type' => 'testimonials',
            'post_title' => 'Review ' . $review->time,
            'post_content' => $review->text,
            'post_excerpt' => $review->text,
            'post_thumbnail' => $review->profile_photo_url,
            'post_author' => $review->author_name,
            'post_status' => 'draft',
            'comment_status' => 'closed', // if you prefer
            'ping_status' => 'closed', // if you prefer
        ));


        add_post_meta($post_id, 'time', $review->time);

$query_meta = array(
        'posts_per_page' => -1,
        'post_type' => 'testimonials',
        'meta_query' => array(
            array(
                'key' => 'time',
                'value' => $review->time,
                'compare' => '='
            ),
        )
    );

    $post = query_posts($query_meta);

    if (count($post) == 0) // insert

$posts = get_posts(['meta_key' => 'time', 'meta_value' => $review->time]);

     if (count($posts) == 0) // insert

$query_meta = array(
        'posts_per_page' => -1,
        'post_type' => 'testimonials',
        'meta_query' => array(
            array(
                'key' => 'time',
                'value' => $review->time,
                'compare' => '='
            ),
        )
    );

    $post = new WP_Query($query_meta);

    if ($post->have_posts() == FALSE) //insert