', $afterGroup='', $beforeEach='', $afterEach='', $showtitle=true, $textForEach='Previous post in %:
') {
global $wpdb, $post;
// get home url for base of link
$info = get_bloginfo('url');
$info = apply_filters('bloginfo', $info);
$homeurl = convert_chars($info);
// get post id of current post
$currentPostId = $post->ID;
// get post date of current post
$currentPostDate = $post->post_date;
// get the catagorys this post uses.
$catagoryIds = get_the_category();
$startGroup = true;
foreach ($catagoryIds as $currentCat)
{
// HEAVY LIFTING! Getting the prevous post. Ugh.
$newPostInfo = $wpdb->get_row(
"SELECT * FROM $wpdb->posts
LEFT JOIN $wpdb->term_relationships ON
($wpdb->posts.ID = $wpdb->term_relationships.object_id)
LEFT JOIN $wpdb->term_taxonomy ON
($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id)
WHERE $wpdb->posts.post_status = 'publish'
AND $wpdb->term_taxonomy.taxonomy = 'category'
AND $wpdb->term_taxonomy.term_id = $currentCat->cat_ID
AND $wpdb->posts.post_date < '$currentPostDate'
ORDER BY post_date DESC
LIMIT 1");
if ($newPostInfo)
{
$leaderText = str_replace('%', $currentCat->cat_name, $textForEach);
if ($startGroup)
{
echo $beforeGroup;
$startGroup = false;
}
if ($showtitle)
{
echo $beforeEach.$leaderText."ID)."\">".stripslashes($newPostInfo->post_title)."".$afterEach;
}
else
{
echo $beforeEach."ID)."\">".$leaderText."".$afterEach;
}
}
}
if (!$startGroup)
{
echo $afterGroup;
}
else
{
// RAM: echo None if there is nothing there.
echo $beforeGroup.$beforeEach."None".$afterEach.$afterGroup;
}
}
function next_cat_post($beforeGroup='', $beforeEach='', $afterEach='', $showtitle=true, $textForEach='Next post in %:
') {
global $wpdb, $post;
// get home url for base of link
$info = get_bloginfo('url');
$info = apply_filters('bloginfo', $info);
$homeurl = convert_chars($info);
// get post id of current post
$currentPostId = $post->ID;
// get post date of current post
$currentPostDate = $post->post_date;
// get the catagorys this post uses.
$catagoryIds = get_the_category();
$startGroup = true;
foreach ($catagoryIds as $currentCat)
{
// HEAVY LIFTING! Getting the next post. Copy and paste of the
// prvious code, but with the sort order and date comparison reversed.
$newPostInfo = $wpdb->get_row(
"SELECT * FROM $wpdb->posts
LEFT JOIN $wpdb->term_relationships ON
($wpdb->posts.ID = $wpdb->term_relationships.object_id)
LEFT JOIN $wpdb->term_taxonomy ON
($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id)
WHERE $wpdb->posts.post_status = 'publish'
AND $wpdb->term_taxonomy.taxonomy = 'category'
AND $wpdb->term_taxonomy.term_id = $currentCat->cat_ID
AND $wpdb->posts.post_date > '$currentPostDate'
ORDER BY post_date ASC
LIMIT 1");
if ($newPostInfo)
{
$leaderText = str_replace('%', $currentCat->cat_name, $textForEach);
if ($startGroup)
{
echo $beforeGroup;
$startGroup = false;
}
if ($showtitle)
{
echo $beforeEach.$leaderText."ID)."\">".stripslashes($newPostInfo->post_title)."".$afterEach;
}
else
{
echo $beforeEach."ID)."\">".$leaderText."".$afterEach;
}
}
}
if (!$startGroup)
{
echo $afterGroup;
}
else
{
// RAM: echo None if there is nothing there.
echo $beforeGroup.$beforeEach."None".$afterEach.$afterGroup;
}
}
?>