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This is how you do it for Wordpress posts:

   $my_query = new WP_Query( "cat=3" );
   if ( $my_query->have_posts() ) { 
       while ( $my_query->have_posts() ) { 
           $my_query->the_post();
           the_content();
       }
   }
   wp_reset_postdata();

I would like to know how to do that in bbPress (say, listing topics).

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2 Answers

up vote 1 down vote accepted

bbpress has its own query class called BB_Query()

and it accepts:

    $ints = array(
            'page',     // Defaults to global or number in URI
            'per_page', // Defaults to page_topics
            'tag_id',   // one tag ID
            'favorites' // one user ID
        );

    $parse_ints = array(
        // Both
        'post_id',
        'topic_id',
        'forum_id',

        // Topics
        'topic_author_id',
        'post_count',
        'tag_count',

        // Posts
        'post_author_id',
        'position'
    );

    $dates = array(
        'started',  // topic
        'updated',  // topic
        'posted'    // post
    );

    $others = array(
        // Both
        'topic',    // one topic name
        'forum',    // one forum name
        'tag',      // one tag name

        // Topics
        'topic_author', // one username
        'topic_status', // *normal, deleted, all, parse_int ( and - )
        'open',         // *all, yes = open, no = closed, parse_int ( and - )
        'sticky',       // *all, no = normal, forum, super = front, parse_int ( and - )
        'meta_key',     // one meta_key ( and - )
        'meta_value',   // range
        'topic_title',  // LIKE search.  Understands "doublequoted strings"
        'search',       // generic search: topic_title OR post_text
                        // Can ONLY be used in a topic query
                        // Returns additional search_score and (concatenated) post_text columns

        // Posts
        'post_author',  // one username
        'post_status',  // *noraml, deleted, all, parse_int ( and - )
        'post_text',    // FULLTEXT search
                        // Returns additional search_score column (and (concatenated) post_text column if topic query)
        'poster_ip',    // one IPv4 address

        // SQL
        'index_hint',   // A full index hint using valid index hint syntax, can be multiple hints an array
        'order_by',     // fieldname
        'order',        // *DESC, ASC
        'count',        // *false = none, true = COUNT(*), found_rows = FOUND_ROWS()
        '_join_type',   // not implemented: For benchmarking only.  Will disappear. join (1 query), in (2 queries)



// Utility
//          'append_meta',  // *true, false: topics only
//          'cache_users',  // *true, false
//          'cache_topics,  // *true, false: posts only
//          'post_id_only', // true, *false: this query is only returning post IDs
            'cache_posts'    // not implemented: none, first, last
        );
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So I a custom bbPress loop should I use has_posts or the_post? –  janoChen Feb 28 '11 at 7:26
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@janoChen - The exact same method can be used to get bbPress forums/topics/replies, as well as there being a few built in functions that act as wrapper functions for them.

If you can reply back with exactly what kind of information you're trying to get, I can show you how to build the query. (I.E. you want the 14 most recent public topics, you want the most recent 25 replies by user_id 7, etc...)

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I want to list the two most recent published topics under each title of the forums (forums page). –  janoChen Mar 1 '11 at 4:51
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