Vinmark

how can i count those nodes until it become null? i'm wondering that i can loop and get all the nodes and pass it to an array until it gets null but how. T_T

uhm i am currently working on a Multilevel Marketing System. i'm using php. it is a genealogy that is 2x2 matrix. every member can have 2 downlines. my problem is how can i count all his total downlines per side. example chart. SIDE A SIDE B member1 member2 member3 member4 member5 member6 member7 member8 NULL NULL NULL NULL NULL NULL NULL total Downline at Side A : 4 total Downline at Side B : 3 this is my table memberid | parentid | child_a | child_b sorry for my bad english. can you give me any idea on how to this? and code this then post it here for help again? pls?

hi i'm vinmark. i'm 19 years old. i hope i could learn and can ask help here.