// Unused form: /oembed/b2h?url=...
if ($a->argv[1] == 'b2h') {
$url = ["", trim(hex2bin($_REQUEST['url']))];
echo Content\OEmbed::replaceCallback($url);
// Unused form: /oembed/b2h?url=...
if ($a->argv[1] == 'b2h') {
$url = ["", trim(hex2bin($_REQUEST['url']))];
echo Content\OEmbed::replaceCallback($url);