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Textpattern custom_url_func upgrade

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Technology: 29 Dec 2009, 20:50

My upgrade to Textpattern 4.2.0 was almost trouble free. The only problem was that the built-in newer, older, category1 and category2 functions weren't working.

After crawling through the source, I realized that the custom_url_func function signature had been redefined to include an optional argument. This change allowed the custom_url_func to be invoked by the newer, older, category1 and category2 functions (amongst others). Once I understood the problem, it was easy to add the required functionality. 

function idx_permlinkurl($article_array, $link_type=0)
{
    global $prefs;

    if (empty($article_array)) return;
    extract($article_array);

    if ( $link_type == PAGELINKURL ) {  // PAGE LINK mode
        $page    = $article_array['pg'];
        if ( empty($page) || $page == 0 || $page == 1 ) {
            $page_suffix = '';
        }
        else {
            $page_suffix = '?pg='.$page;
        }

        $category = $article_array['c'];
        if ( !empty($category) ) {
            if (empty($page_suffix)) {
                $page_suffix = '?c='.$category;
            }
            else {
                $page_suffix = $page_suffix . '&c=' . $category;
            }
        }

        $section = $article_array['s'];
        if ($section == 'default') {
            return hu.$page_suffix;
        }
        else {
            return hu.$section.$page_suffix;
        }
    }
    else {  // ARTICLE LINK mode
        if (!isset($title)) $title = $Title;
        if (empty($url_title)) $url_title = stripSpace($title);
        if (empty($thisid)) $thisid = $ID;

        if ($prefs['attach_titles_to_permalinks']) {
            return hu."id/$thisid/$url_title";
        }
        else {
            return hu."id/$thisid/";
        }
    }
}

$prefs['custom_url_func'] = 'idx_permlinkurl';