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I am trying to pull in a custom field vales for each page while using wp_list_pages. For example I want to list out each portfolio item in my sidebar but also show why type of work it is by pulling in a custom field value so it would look like this:

  • Portfolio Item 1 Type: Web Design
  • Portfolio Item 2 Type: Web Development

Here is the code I am using to pull in custom post types and this works perfectly, I just have no idea how to have it pull custom field values as well:

function wp_list_post_types( $args ) {
$defaults = array(
    'numberposts'  => -1,
    'offset'       => 0,
    'orderby'      => 'menu_order, post_title',
    'post_type'    => 'our-work',
    'depth'        => 0,
    'show_date'    => '',
    'date_format'  => get_option('date_format'),
    'child_of'     => 0,
    'exclude'      => '',
    'include'      => '',
    'title_li'     => __(''),
    'echo'         => 1,
    'link_before'  => '',
    'link_after'   => '',
    'exclude_tree' => '' );

$r = wp_parse_args( $args, $defaults );
extract( $r, EXTR_SKIP );

$output = '';
$current_page = 0;

// sanitize, mostly to keep spaces out
$r['exclude'] = preg_replace('/[^0-9,]/', '', $r['exclude']);

// Allow plugins to filter an array of excluded pages (but don't put a nullstring into the array)
$exclude_array = ( $r['exclude'] ) ? explode(',', $r['exclude']) : array();
$r['exclude'] = implode( ',', apply_filters('wp_list_post_types_excludes', $exclude_array) );

// Query pages.
$r['hierarchical'] = 0;
$pages = get_posts($r);

if ( !empty($pages) ) {
    if ( $r['title_li'] )
        $output .= '<li class="pagenav">' . $r['title_li'] . '<ul>';

    global $wp_query;
    if ( ($r['post_type'] == get_query_var('post_type')) || is_attachment() )
        $current_page = $wp_query->get_queried_object_id();
    $output .= walk_page_tree($pages, $r['depth'], $current_page, $r);

    if ( $r['title_li'] )
        $output .= '</ul></li>';
}

$output = apply_filters('wp_list_pages', $output, $r);

if ( $r['echo'] )
    echo $output;
else
    return $output;

}

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1 Answer 1

If all you want is to list some recent portfolio items in the sidebar, you're overkilling it by trying to emulate the wp_list_pages function. You can do this with a simple custom query. (Unless you really want to do this with wp_list_pages for some reason, but I can't think of why you would.)

// Set up the query args
$arr_query_args = array(
    'numberposts'  => 5, // Or however many posts you want to show
    'orderby'      => 'post_title',
    'post_type'    => 'our-work'
);

// Run the query
$arr_posts = get_posts( $arr_query_args );

// Global the post obj
global $post;

foreach( $arr_posts as $this_post ) { // For every post retrieved

    // Now you have the (mostly) complete post object. Print out whatever you want from it!

    $permalink = get_permalink($this_post->ID); // Get the post's permalink

    echo '<a href="' . $permalink . '"';

    // If this link is for the current page, add a class
    if(is_object($post) && $post->ID == $this_post->ID) {
        echo ' class="current_page_item"';
    }

    echo '>';
        echo $this_post->post_title . ': ';
    echo '</a>';

    // You can use get_post_meta to grab meta values for this post
    echo(get_post_meta($this_post->ID, 'your-custom-field-key', true));

}

I suppose you could wrap that in a function and use it as a template tag if you want to pass different args to it in different places.

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Yeah, there aren't any filters in Walker_Page to allow you to easily modify the output text. I'd use a method like this. –  goldenapples Jan 5 '11 at 17:38
    
Thanks for the reply. But no I am not just trying to list some recent portfolio items. I am trying create a dynamic menu of portfolio projects in my sidebar, and I need to utilize the dynamic classes of the wp_list_pages function. (ie. "current_page_item) How would I moidify the above code to not only list the page name/link but also a meta value as well? Thanks! –  Red Jan 6 '11 at 20:26
    
@Joshua - "How would I modify the above code to not only list the page name/link but also a meta value as well?" Look at the last line in the supplied code--it outputs any meta value you want. Just change "your-custom-field-key" to the name of your custom field key. –  MathSmath Jan 6 '11 at 21:10
    
To add a class if it's the current page, do global $post, and then check during the "for every post" loop to see if the global $post->ID matches the current post id. If it does, print out a "current_page_item" class. –  MathSmath Jan 6 '11 at 21:15
    
This is great MathSmath, thank you! Could you help me one last time with the last step for adding a current_page_item class... I am unsure how to exactly write this into the loop. Thanks again for you help! –  Red Jan 7 '11 at 20:57
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