收集整理的非常有用的PHP函数

列出目录下的文件

function listDirFiles($DirPath){
    if($dir = opendir($DirPath)){
         while(($file = readdir($dir))!== false){
                if(!is_dir($DirPath.$file))
                {
                    echo "filename: $file<br />";
                }
         }
    }
}

列出当前目录下的文件:

filename: .
filename: ..
filename: strlen.php
filename: visit.php
filename: jump.php
filename: fileext.php
filename: message.php
filename: message.html
filename: randstring.php
filename: log.php
filename: highlighter.php
filename: encrypt.php
filename: timetype.php
filename: pageurl.php
filename: log.txt
filename: function.php
filename: replace.php
filename: filesize.php
filename: sql.php
filename: download.php
filename: getip.php
filename: listfile.php
filename: down.php
filename: t.html