[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] [See ding random number generator]$ (dollar) sign $GLOBAL array 2nd 3rd 4th $HTTP GET VARS array 2nd $HTTP POST VARS array 2nd $this object 2nd 3rd $this variable 2nd ? (question mark) character 2nd ?[col] conditional 2nd [] operator 2nd 3rd [col][col] notation [lt]meta[gt] tags, extracting information from 2nd [lt]select[gt] lists, creating 2nd 3rd 4th ^ character 2nd {} characters 2nd (pipe delimiter ) character 2nd 0 is not a * Result index 2nd |