Filter no longer working

// Changes past event views to reverse chronological order
function tribe_past_reverse_chronological ($post_object) {
$past_ajax = (defined( ‘DOING_AJAX’ ) && DOING_AJAX && $_REQUEST[‘tribe_event_display’] === ‘past’) ? true : false;
if(tribe_is_past() || $past_ajax) {
$post_object = array_reverse($post_object);
}
return $post_object;
}
add_filter(‘the_posts’, ‘tribe_past_reverse_chronological’, 100);

add_action( ‘spacious_footer_copyright’, ‘spacious_footer_copyright’, 10 );

/**