<?php
/**
 * Created by PhpStorm.
 * User: FelayMan
 * Date: 14-4-7
 * Time: 下午6:14
 */
    header("content-type:text/html;charset=utf-8");
    //第一种方式获取文件内容
   function getallcontent1($filename){
       //file — 把整个文件读入一个数组中
       $content = file_get_contents($filename);
       return $content;
   }
    //第二种方式获取文件内容
    function getallcontent2($filename){
        $arr = file($filename);
        $content='';
        foreach($arr as $value){
            $content.=$value;
        }
        $content.=iconv("gbk","utf-8",$content);
        return $content;
    }
    //第三种方式获取文件内容
    function getallcontent3($filename){
        readfile($filename);
    }
   //$content =  getallcontent1("index.txt");
   //$content =  getallcontent2("index.txt");
   // echo $content;
    getallcontent3("index.txt");
?>