請問是哪裡出現問題了麼 {代碼...}

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請問是哪裡出現問題了麼
    function wp_admin_pagenavi($total_count, $number_per_page=20){
    
        $current_page = isset($_GET['paged'])?$_GET['paged']:1;
    
        if(isset($_GET['paged'])){
            unset($_GET['paged']);
        }
    
        $base_url = add_query_arg($_GET,admin_url('admin.php'));
    
        $total_pages    = ceil($total_count/$number_per_page);
    
        $first_page_url    = $base_url.'&amp;paged=1';
        $last_page_url    = $base_url.'&amp;paged='.$total_pages;
        
        if($current_page > 1 && $current_page < $total_pages){
            $prev_page        = $current_page-1;
            $prev_page_url    = $base_url.'&amp;paged='.$prev_page;
    
            $next_page        = $current_page+1;
            $next_page_url    = $base_url.'&amp;paged='.$next_page;
            $last_page_url    = $base_url.'&amp;paged='.$total_pages;
        }elseif($current_page == 1){
            $prev_page_url    = '#';
            $first_page_url    = '#';
            if($total_pages > 1){
                $next_page        = $current_page+1;
                $next_page_url    = $base_url.'&amp;paged='.$next_page;
            }else{
                $next_page_url    = '#';
            }
        }elseif($current_page == $total_pages){
            $prev_page        = $current_page-1;
            $prev_page_url    = $base_url.'&amp;paged='.$prev_page;
            $next_page_url    = '#';
            $last_page_url    = '#';
        }