I am surprise WP-PostViews 1.50 does not break for you on 2.7.1, it will throw you a class WP_Widget not found error.
In that case, replace the get_most_viewed() function with this
### Function: Display Most Viewed Page/Post
if(!function_exists('get_most_viewed')) {
function get_most_viewed($mode = '', $limit = 10, $chars = 0, $display = true) {
global $wpdb;
$views_options = get_option('views_options');
$where = '';
$temp = '';
$output = '';
if(!empty($mode) && $mode != 'both') {
$where = "post_type = '$mode'";
} else {
$where = '1=1';
}
$most_viewed = $wpdb->get_results("SELECT DISTINCT $wpdb->posts.*, (meta_value+0) AS views FROM $wpdb->posts LEFT JOIN $wpdb->postmeta ON $wpdb->postmeta.post_id = $wpdb->posts.ID WHERE post_date < '".current_time('mysql')."' AND $where AND post_status = 'publish' AND meta_key = 'views' AND post_password = '' ORDER BY views DESC LIMIT $limit");
if($most_viewed) {
foreach ($most_viewed as $post) {
$post_views = intval($post->views);
$post_title = get_the_title($post);
if($chars > 0) {
$post_title = snippet_text($post_title, $chars);
}
$post_excerpt = views_post_excerpt($post->post_excerpt, $post->post_content, $post->post_password, $chars);
$temp = stripslashes($views_options['most_viewed_template']);
$temp = str_replace("%VIEW_COUNT%", number_format_i18n($post_views), $temp);
$temp = str_replace("%POST_TITLE%", $post_title, $temp);
$temp = str_replace("%POST_EXCERPT%", $post_excerpt, $temp);
$temp = str_replace("%POST_CONTENT%", $post->post_content, $temp);
$temp = str_replace("%POST_URL%", get_permalink($post), $temp);
$output .= $temp;
}
} else {
$output = '<li>'.__('N/A', 'wp-postviews').'</li>'."\n";
}
if($display) {
echo $output;
} else {
return $output;
}
}
}
