php查看服务端目录

<?php
header("content-type:text/html; charset=UTF-8");
/*
 * record kid words and insert into database
 * user by sending email to publication kid words
 *
 */
include 'POP3.php';
include 'email_class.php';
include 'Mail_mimeDecode.php';
//include 'include/compatible ......

<?php
$HotSong="爱情转移|菊花台|离歌|月亮之上|隐形的翅膀|中国话|求佛|秋天不回来|发现爱|难道爱一个人有错吗|千里之外|连哭都是我的错";
function HotSo($HotSong){
$HotSo='';
echo($HotSong);
$b=explode('|',$HotSong);
foreach ($b as $v) {
$HotSo.="<a href="song.php?song=".urlencode($v)."" mce_ ......

作用是把形如：www.abc.com/index.php/blog/show 的地址美化成  www.abc.com/blog/show  ,使用$_SERVER['PATH_INFO']接收变量。
server
{
listen 80;
server_name myweb;
index index.html index.htm index.php;
root /home/zhaowei/code;
if (!-f $request_filename) { ......

　PHP中的字符串操作功能是比较多的,重要的有以下这些:
　　(1)echo,print,printf,sprintf
　　前两个函数是输出字符串.字符串中如果有变量名则被替换成其值. 后两个函数类似于C的同名函数.
　　(2)strchr,strlen,strtok,strrchr,strrev,strstr,strtolower, strtoupper,substr,ucfirst
　　这些是常用的字符串操作函数, ......