Sort Posts Best Practice

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I have a custom post type “Properties”.

These properties posts are being listed out on page “Properties For Let”.

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Each property post has various custom meta including price, and number of bedrooms.

The properties will initially be listed in the order defined by the original wp query I set.

However at the top of the page I wish to have links that upon click will sort the posts by Price, Date Added and Number Of Bedrooms.

What is the best practice for doing this? I have seen people advise on addin query strings to URLs etc but would like some solid advice

Thanks in advance for any help

John

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2 comments

  1. The function add_query_arg adds or replaces ‘GET’ parameters in a given (or the current) url.

    For instance, suppose someone is viewing the page:

    http://www.example.com?order=ASC&orderby=meta_value_num&meta_key=price

    (viewing properties in price order). Then the url

    $url = add_query_arg(array('meta_key'=>'bedrooms','orderby'=>'meta_value_num'));

    Would give you

    http://www.example.com?order=ASC&orderby=meta_value_num&meta_key=bedrooms

    (the url to order properties by number of bedrooms).

    E.g:

     <?php
   $by_rooms= esc_url(add_query_arg(array('meta_key'=>'bedrooms','orderby'=>'meta_value_num')));
   $by_price = esc_url(add_query_arg(array('meta_key'=>'price','orderby'=>'meta_value_num')));
   $by_data = esc_url(add_query_arg(array('meta_key'=>false,'orderby'=>'date')));
 ?>

 <ul>
    <li> <a href="<?php echo $by_price;?>">Order by price</a></li>
    <li> <a href="<?php echo $by_rooms;?>">Order by rooms</a></li>
    <li> <a href="<?php echo $by_date;?>">Order by date</a></li>
 </ul>