数组对象除开重复的值

数组对象去除重复的值

<br>
	Array<br>
(<br>
    [4968] => WP_Post Object<br>
        (<br>
            [ID] => 4968<br>
            [post_author] => 1<br>
            [post_date] => 2013-11-30 14:32:54<br>
            [post_date_gmt] => 2013-11-30 06:32:54<br>
            [post_content] => <br>
            [post_title] => taibei<br>
            [post_excerpt] => 来到台北的日子<br>
            [post_status] => inherit<br>
            [comment_status] => open<br>
            [ping_status] => open<br>
            [post_password] => <br>
            [post_name] => taibei<br>
            [to_ping] => <br>
            [pinged] => <br>
            [post_modified] => 2013-11-30 14:32:54<br>
            [post_modified_gmt] => 2013-11-30 06:32:54<br>
            [post_content_filtered] => <br>
            [post_parent] => 4058<br>
            [guid] => http://tanteng-wordpress.stor.sinaapp.com/uploads/2013/01/taibei.jpg<br>
            [menu_order] => 0<br>
            [post_type] => attachment<br>
            [post_mime_type] => image/jpeg<br>
            [comment_count] => 0<br>
            [filter] => raw<br>
        )<br>
<br>
    [4951] => WP_Post Object<br>
        (<br>
            [ID] => 4951<br>
            [post_author] => 1<br>
            [post_date] => 2013-11-29 14:38:33<br>
            [post_date_gmt] => 2013-11-29 06:38:33<br>
            [post_content] => <br>
            [post_title] => taipei<br>
            [post_excerpt] => 台北路的生活<br>
            [post_status] => inherit<br>
            [comment_status] => open<br>
            [ping_status] => open<br>
            [post_password] => <br>
            [post_name] => taipei-3<br>
            [to_ping] => <br>
            [pinged] => <br>
            [post_modified] => 2013-11-29 14:38:33<br>
            [post_modified_gmt] => 2013-11-29 06:38:33<br>
            [post_content_filtered] => <br>
            [post_parent] => 4058<br>
            [guid] => http://tanteng-wordpress.stor.sinaapp.com/uploads/2013/01/taipei.jpgpsid1<br>
            [menu_order] => 0<br>
            [post_type] => attachment<br>
            [post_mime_type] => image/jpeg<br>
            [comment_count] => 0<br>
            [filter] => raw<br>
        )<br>
<br>
    [4940] => WP_Post Object <div class="clear">
                 
              
              
        
            </div>