using $_GET commend with a link

  • I need to have a link on a page(display all posts) such as
    Egypt
    that when clicked will refresh the page and display only Egypt posts

    I think i need to use $_GET commend, something like

    if ($_GET[‘filter’]=”Egypt”) {
    query_posts(‘meta_key=country&&meta_value=Egypt’);
    } else if {
    …
    }

    Unfortunately I’m not a developer, and I’m not sure how to use this method, so can someone give me a help with this. Thank you in advance:)

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