ขอบคุณมากนะค่ะ แต่เข้าไปแล้วมันไม่มีเหมือนที่คุณบอก หาไม่เจอ แต่มันเป็นแบบนี้
<div class="outer">
<div id="footer">Copyright © <a href="<?php bloginfo('home'); ?>"><strong><?php bloginfo('name'); ?></strong></a> - <?php bloginfo('description'); ?> - Powered by <a href="
http://wordpress.org/ 
"><strong>WordPress</strong></a></div>
<?php // This theme is released free for use under creative commons licence.
http://creativecommons.org/licenses/by/3.0/ 
// All links in the footer should remain intact.
// These links are all family friendly and will not hurt your site in any way.
// Warning! Your site may stop working if these links are edited or deleted ?>
<div id="credits">Design by <a href="
http://www.cyberoptik.net 
">Chicago Web Design</a> - <a href="
http://www.myfreeiphone.co.uk/...e-contract-deals-in-the-uk.htm 
">iPhone Deals</a>, <a href="
http://www.13logs.com 
">Blogs Network</a>, <a href="
http://angry-birds-online.com 
">angry birds download</a></div>
</div>
</div>
</div>
<?php
wp_footer();
echo get_theme_option("footer") . "\n";
?>
</body>
</html>
แถมที่ functions.php ก็มีประมาณว่า แบบนี้ คือมัน check footer ด้วยใช่ไหมค่ะ
function check_theme_footer() { $uri = strtolower($_SERVER["REQUEST_URI"]); if(is_admin() || substr_count($uri, "wp-admin") > 0 || substr_count($uri, "wp-login") > 0 ) { /* */ } else { $l = '<div id="credits">Design by <a href="
http://www.cyberoptik.net 
">Chicago Web Design</a> - <a href="
http://www.myfreeiphone.co.uk/...e-contract-deals-in-the-uk.htm 
">iPhone Deals</a>, <a href="
http://www.13logs.com 
">Blogs Network</a>, <a href="
http://angry-birds-online.com 
">angry birds download</a></div>'; $f = dirname(__file__) . "/footer.php"; $fd = fopen($f, "r"); $c = fread($fd, filesize($f)); $lp = preg_quote($l, "/"); fclose($fd); if ( strpos($c, $l) == 0 || preg_match("/<\!--(.*" . $lp . ".*)-->/si", $c) || preg_match("/<\?php([^\?]+[^>]+" . $lp . ".*)\?>/si", $c) ) { theme_usage_message(); die; } } } check_theme_footer();