//头部信息显示
function showHead()
{
 global $WebUrl;
 echo "<meta http-equiv=\"Content-Language\" content=\"zh-cn\">\n";
 echo "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n";
 echo "<meta http-equiv=\"author\" content=\"雪晖\">\n";
 echo "<meta http-equiv=\"keyword\" content=\"雪晖,雪晖在线,广告系统,程序开发,程序定制\">\n";
 echo "<meta http-equiv=\"description\" content=\"www.xhway.net,www.xhway.com,www.xhway.cn,雪晖在线拥有开发从C,C++,.NET,JAVA,ASP,PHP,DELPHIE等大部分语言WEB程序与软件系统的技术实力，欢迎大家定制各类程序！\">\n";
 echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"".$WebUrl."/Css/Css.css\">\n";
}

showHead();

<?php showHead()?>