session catche limiter- More About session

[kumar005]

Hello to all,

I am new user in this site. i want to know more about session and session
handling

i have a error in my programm as below

session start(); cannot sent session catche limiter, header already sent

May any one help me to know about session ith examples.

I will be thankful to solve my problem

Kumar

[bokeh]

Make sure nothing is sent to the browser prior to calling session_start() (including white space).