How to represent TAB as an escape string in PHP?

I need to make a tab delimited values file from some database info...
so when I am writing in the values... how do I do the tab part?
FGor example I write "/n" for newline ... I need /whatever for TAB.

2011-10-08T12:38:55Z

**** !!!!!!
YES!!!! It is indeed! YAY.. mysql to xls... Working!
Thank you sooooo much. :)

Anonymous2011-10-08T12:33:23Z

Favorite Answer

Tab is '\t'