Methods ob_start and ob_flush don't work, why?

Question

I am using ob_start()/ob_flush() to, hopefully, give me some progress during a long import operation.

Here is a simple outline of what I\'m

Answer 1

Make sure that your output buffering doesn't start automatically. Run:

print ob_get_level ();

before ob_start (); if will will see something else then 0 you've got the answer.