PHP_LOGO_GUID
http://www.php.net/?=PHPE9568F34-D428-11d2-A769-00AA001ACF42

PHP_EGG_LOGO_GUID
http://www.php.net/?=PHPE9568F36-D428-11d2-A769-00AA001ACF42

ZEND_LOGO_GUID
http://www.php.net/?=PHPE9568F35-D428-11d2-A769-00AA001ACF42

PHP_CREDITS_GUID
http://www.php.net/?=PHPB8B5F2A0-3C92-11d3-A3A9-4C7B08C10000

喜欢看愚人节的那个Logo就是第二个链接罗
http://www.php.net/ 这个网址只是范例，只要是任一PHP的站点即可。