function mysiteapp_extract_thumbnail(&$content = null)
{
$thumb_url = null;
$imageAlgos = uppsite_get_image_algos();
if (uppsite_has_image_algo($imageAlgos, UppSiteImageAlgo::NATIVE_FUNC) && function_exists('has_post_thumbnail') && has_post_thumbnail()) {
$thumb_url = get_the_post_thumbnail();
}
if (uppsite_has_image_algo($imageAlgos, UppSiteImageAlgo::THE_ATTACHED_IMAGE) && empty($thumb_url) && function_exists('the_attached_image')) {
$temp_thumb = the_attached_image('img_size=thumb&echo=false');
if (!empty($temp_thumb)) {
$thumb_url = $temp_thumb;
}
}
if (uppsite_has_image_algo($imageAlgos, UppSiteImageAlgo::GET_THE_IMAGE) && empty($thumb_url) && function_exists('get_the_image')) {
$temp_thumb = get_the_image(array('size' => 'thumbnail', 'echo' => false, 'link_to_post' => false));
if (!empty($temp_thumb)) {
$thumb_url = $temp_thumb;
}
}
if (uppsite_has_image_algo($imageAlgos, UppSiteImageAlgo::CUSTOM_FIELD) && empty($thumb_url) && !is_null($imageAlgos['extra'])) {
$thumb_url = get_post_meta(get_the_ID(), $imageAlgos['extra'], true);
}
if (uppsite_has_image_algo($imageAlgos, UppSiteImageAlgo::FIRST_IMAGE) && empty($thumb_url)) {
if (mysiteapp_is_fresh_wordpress_installation()) {
$thumb_url = MYSITEAPP_HOMEPAGE_FRESH_COVER;
} else {
if (is_null($content)) {
ob_start();
the_content();
$content = ob_get_contents();
ob_get_clean();
}
$thumb_url = uppsite_extract_image_from_post_content($content);
}
}
if (!empty($thumb_url)) {
$thumb_url = uppsite_extract_src_url($thumb_url);
if (!is_null($content)) {
uppsite_nullify_thumb($content, $thumb_url);
}
}
return $thumb_url;
}
<categories>
<?php
if (!mysiteapp_homepage_is_only_show_posts()) {
$cats_ar = uppsite_homepage_get_categories();
foreach ($cats_ar as $cat) {
$cat_query = array('cat' => $cat, 'posts_per_page' => mysiteapp_homepage_cat_posts(), 'order' => 'desc');
if (!mysiteapp_is_fresh_wordpress_installation()) {
$cat_query['post__not_in'] = mysiteapp_homepage_get_excluded_posts();
}
$query = mysiteapp_set_current_query($cat_query);
if ($query->post_count > 0) {
$catText = wp_list_categories(array('include' => $cat, 'echo' => 0));
print str_replace("</category>", "", $catText);
get_template_part('the_loop');
print "</category>";
}
}
}
?>
</categories>
