Able to see a variable in print_r()'s output, but not sure how to access it in code

Question

I googled, installed Devel, Drupal for Firebug, but I can\'t find it.

I found what I want, I know where it is; I just don\'t know how to g

Answer 1

Let me summarize up

print_r($data); => Traditional view of printing array.

var_dump($data); => Not so much cleaned view , gives you everything but in very suffocated manner

print "
"; print_r($data); => A cleaned view but will not get   data types information.

dpm($data); => It gives you everything, but you need to have installed devel.