Re: Single Quotes vs Double Quotes

With all that's been said in mind ('$var' unparsed "$var" parsed).

The rule of thumb I follow is, if it needs to be parsed (has a $variable or
\n \r \t etc) then used double quotes, otherwise use single quotes... it
conserves processing.

-dd


"Micro Brew" <microbrewclub@yahoo.com> wrote in message
news:20030909040334.44065.qmail@web10306.mail.yaho o.com...
> Hi everyone,
>
> Could somebody please explain to me the difference
> between single quotes and double quotes in PHP. It
> seems like they can be used interchangeably a lot in
> PHP but not always. For example:
>
> This works:
> header('Location: http://somedomain.com')
>
> This does not work:
> header('Location: $url')
>
> This works:
> header("Location: $url")
>
>
> Why??? Sorry if this has been asked before, but I
> didn't find a suitable answer in the archives. TIA.
>
> Mike
>
> __________________________________
> Do you Yahoo!?
> Yahoo! SiteBuilder - Free, easy-to-use web site design software
> http://sitebuilder.yahoo.com