WordPress 整合Bootstrap制作分页代码

/**
* 数字分页函数
* @Param int $range            数字分页的宽度
* @Return string|empty        输出分页的HTML代码        
*/
function bootstrap_pagenavi( $range = 4 ) {
    global $paged,$wp_query;
    if ( !$max_page ) {
        $max_page = $wp_query->max_num_pages;
    }
    if( $max_page >1 ) {
        echo "<div class=‘pagination‘>"; 
        if( !$paged ){
            $paged = 1;
        }
        if( $paged != 1 ) {
            echo "<li><a href=‘".get_pagenum_link(1) ."‘ title=‘跳转到首页‘>首页</a></li>";
        }
        echo ‘<li>‘;previous_posts_link(‘上一页‘);echo ‘</li>‘;

        if ( $max_page >$range ) {
            if( $paged <$range ) {
                for( $i = 1; $i <= ($range +1); $i++ ) {
                    echo "<li";  if($i==$paged)echo " class=‘active‘";
                   echo " ><a href=‘".get_pagenum_link($i) ."‘";
                   
                    echo ">$i</a></li>";
                }
            }elseif($paged >= ($max_page -ceil(($range/2)))){
                for($i = $max_page -$range;$i <= $max_page;$i++){
                    echo "<li";  if($i==$paged)echo " class=‘active‘";
                   echo " ><a href=‘".get_pagenum_link($i) ."‘";
                   
                    echo ">$i</a></li>";
                    }
                }elseif($paged >= $range &&$paged <($max_page -ceil(($range/2)))){
                    for($i = ($paged -ceil($range/2));$i <= ($paged +ceil(($range/2)));$i++){
                        echo "<li";  if($i==$paged)echo " class=‘active‘";
                   echo " ><a href=‘".get_pagenum_link($i) ."‘";
                   
                    echo ">$i</a></li>";
                    }
                }
            }else{
                for($i = 1;$i <= $max_page;$i++){
                    echo "<li";  if($i==$paged)echo " class=‘active‘";
                   echo " ><a href=‘".get_pagenum_link($i) ."‘";
                   
                    echo ">$i</a></li>";
                }
            }
       echo ‘<li>‘; next_posts_link(‘下一页‘);echo ‘</li>‘;
        if($paged != $max_page){
            echo "<li><a href=‘".get_pagenum_link($max_page) ."‘  title=‘跳转到最后一页‘>尾页</a></li>";
        }
        echo ‘<span>共[‘.$max_page.‘]页</span>‘;
        echo "</div>\n";  
    }
}

<?php bootstrap_pagenavi();?>

/*------------------
    分页部分的CSS
------------------*/
.pagination{    
    height: 25px;
    line-height: 25px;
    _background: #F9F9F9;
    padding: 2px 5px;
    margin: 20px 4px;
    _border: solid 1px #ccc;
    _text-align: center;
}

.pagination a{
    padding:4px 6px 4px 6px;
    margin:0 2px 0 2px;
    border:1px solid #aaa;
    text-decoration:none;
    color:#333;
}

.pagination a.active{    
    background:#ff6f3d;    
    color:#fff;
}

.pagination a:hover{
    background:#ff6f3d;
    color:#fff;
}