peter wrote:
>> ctype_upper()
>
> Just a note. That method only works if the string comprises only of letters
> (will return false if a space or a number is in the string for example
> regardless of whether all letters are uppercase)
>
>

Thanks for the , will try it out

Here are the string I am getting (users are submitting)
Wanting to determine if all words in the string are uppercase

"SELLING NOKIA N95 AT $270, NOKIA E90 COMMUNICATOR AT $300, 8GB APPLE
IPHONE"

"FOR SALE BRAND NEW APPLE IPHONE 8GB"

etc