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Contact Form to combat Email Injection Spam

Simply wrap your form handling in the followng clause to test if the form was submitted locally or by a remote script.


if ($submit){

  if ($HTTP_REFERER != $SCRIPT_URI){

    reset($HTTP_POST_VARS);

    while (list($key,$val) = each($HTTP_POST_VARS)){

      $message .= "$key: $val\n";

    }

    // email admin or ignore...

  }else{

    // deal with email normally...

  }

}

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