<?php
    $_which = (isset($_GET['w'])) ? $_GET['w'] : null;
    
    if (mysqli_num_rows(mysqli_query_logged("SELECT * FROM members WHERE id = '" . $_id . "'")))
    {
        if ($_which == 'make')
        {
            mysqli_query_logged("REPLACE INTO friends SET user_id ='" . $GLOBALS['auth']['id'] . "', friend_id = '" . $_id . "'");
            echo "document.getElementById('friend').innerHTML = '<a href=\"javascript:remove_friend();\">Remove Friend</a>';";
            echo "document.getElementById('friends').innerHTML = parseInt(document.getElementById('friends').innerHTML) + 1;";
        }
        elseif ($_which == 'remove')
        {
            mysqli_query_logged("DELETE FROM friends WHERE user_id = '" . $GLOBALS['auth']['id'] . "' AND friend_id = '" . $_id . "'");
            echo "document.getElementById('friend').innerHTML = '<a href=\"javascript:make_friend();\">Make Friend</a>';";
            echo "document.getElementById('friends').innerHTML = parseInt(document.getElementById('friends').innerHTML) - 1;";
        }
    }
?>