How do I force a refresh on a browser? Sometimes I change a few images but leave the names the same and the browser ignores what I have and uses the pictures in its cache. How can I make sure that the browser re-downloads the pictures?

    Theres two ways theres use of header();

    or

    meta

    i prefer the use of meta

    so like this

    <META HTTP-EQUIV="expires" CONTENT="0">
    <META HTTP-EQUIV="Pragma" CONTENT="no-cache">
    <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache">

    you may choose one or all they pretty much do the job

    Read more about meta here http://webmasterbase.com/article/31

    and at http://w3schools.com

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