/**
* nggShowRelatedImages() - return related images based on category or tags
*
* @access public
* @param string $type could be 'tags' or 'category'
* @param integer $maxImages of images
* @return the content
*/
function nggShowRelatedImages($type = '', $maxImages = 0)
{
$ngg_options = nggGallery::get_option('ngg_options');
if ($type == '') {
$type = $ngg_options['appendType'];
$maxImages = $ngg_options['maxImages'];
}
$sluglist = array();
switch ($type) {
case 'tags':
if (function_exists('get_the_tags')) {
$taglist = get_the_tags();
if (is_array($taglist)) {
foreach ($taglist as $tag) {
$sluglist[] = $tag->slug;
}
}
}
break;
case 'category':
$catlist = get_the_category();
if (is_array($catlist)) {
foreach ($catlist as $cat) {
$sluglist[] = $cat->category_nicename;
}
}
break;
}
$sluglist = implode(',', $sluglist);
$out = nggShowRelatedGallery($sluglist, $maxImages);
return $out;
}
/**
* nggShowRelatedImages() - return related images based on category or tags
*
* @access public
* @param string $type could be 'tags' or 'category'
* @param integer $maxImages of images
* @return related gallery output or empty string if not tags/categories
* 20150309: fix: error when no tags in site.
* Few simplifications
*/
function nggShowRelatedImages($type = '', $maxImages = 0)
{
$ngg_options = nggGallery::get_option('ngg_options');
if ($type == '') {
$type = $ngg_options['appendType'];
$maxImages = $ngg_options['maxImages'];
}
$sluglist = array();
switch ($type) {
case 'tags':
$taglist = get_the_tags();
//Return array of tag objects, false on failure or empty
//This is a tag list for posts non Nextcellent tag lists.
if (!$taglist) {
return "";
}
foreach ($taglist as $tag) {
$sluglist[] = $tag->slug;
}
break;
case 'category':
$catlist = get_the_category();
//return array (empty if no categories)
if (empty($catlist)) {
return "";
}
foreach ($catlist as $cat) {
$sluglist[] = $cat->category_nicename;
}
break;
}
$sluglist = implode(',', $sluglist);
$out = nggShowRelatedGallery($sluglist, $maxImages);
return $out;
}