MYSQL and Array with PHP for create Tag Cloud -

I am trying to create a tag cloud for every user in my page, I am using PHP5 and MySQL My table is named "tag" and I want to create an array, but in summary, the table below,

array user1 array = {[car, 1], [cat, null], [Pen, 1], [DVD, 1], [can be for CD, tap]}

user name totaltag tag 1 tag 2 tag 3 tag 4 tag 5 admin 5 car cat Penn dvd CD user 1 1 1 1 user 2 1 2 12 1 user 3 3 2 10 1

Do it better:

  Username tags user 1 car user 1 pen user 1 cd user 2 car user2 cat