+ // We need to get rid of hidden tags (display: none)
+
+ // Get rid of the warning. It would be better to have some valid html as input
+ $dom = @DomDocument::loadHTML($body);
+ $xpath = new DOMXPath($dom);
+
+ /*
+ * Checking any possible syntax of the style attribute with xpath is impossible
+ * So we just get any element with a style attribute, and check them with a regexp
+ */
+ $xr = $xpath->query('//*[@style]');
+ foreach ($xr as $node) {
+ if (preg_match('/.*display: *none *;.*/',$node->getAttribute('style'))) {
+ // Hidden, remove it from its parent
+ $node->parentNode->removeChild($node);
+ }
+ }
+ // Now we can get the body of our HTML DomDocument, it contains only what is visible
+ $string = $dom->saveHTML();
+
+ $string = strip_tags($string);
+ return strlen($string);
+}
+
+function showmore_prepare_body(\Friendica\App $a, &$hook_data)
+{
+ // No combination with content filters
+ if (!empty($hook_data['filter_reasons'])) {
+ return;
+ }
+
+ if (DI::pConfig()->get(local_user(), 'showmore', 'disable')) {