// Adds external JavaScript libraries provided by iGoogle to the page.
if (Env::has('libs')) {
- $libs = split(',', Env::s('libs'));
+ $libs = preg_split('/,/', Env::s('libs'), -1, PREG_SPLIT_NO_EMPTY);
foreach ($libs as $lib) {
if (preg_match('@^[a-z0-9/._-]+$@i', $lib) && !preg_match('@([.][.])|([.]/)|(//)@', $lib)) {
$page->append('gadget_js', 'https://www.google.com/ig/f/' . $lib);