[extended] => http://www.facebook.com/pages/The-Fire-Museum-of-Texas/206850775659||
$value = is_array($value) ? implode('||', $value) : $value;
$a = json_decode($input, true); return ($a[$options]=="" ? ' ' : $a[$options]);
<?php $a = json_decode($input, true); return ($a[$options]=="" || $a[$options]=="http://" ? " " : $a[$options]);
[[+extended:keyvalue=`youtube`]]