php简单统计类

<?php
/**
 *
 *  计数器
 *
 *  Version : 1.0.0
 *  Author  : kemy
 *  PHP     : >4.3
 */

class Counter
{
    var $CountFolder;

    function Counter()
    {
        $this->MakeCounter();
    }

    function MakeCounter()
    {
        $this->CountFolder = "counter";
        if(!is_dir($this->CountFolder))
        {
            mkdir($this->CountFolder,0777);
        }
        $this->_DoCount();
    }

    //Save data file
    function _DoCount()
    {
        $file ="counter.txt";
        $ip2long=ip2long($_SERVER['REMOTE_ADDR']);
        if(strstr($ip2long,"-")){
        
        }
        else{
            $ip2long="-".$ip2long;
        }
        if ($ip2long === -1) {
            //echo "Invalid IP, please try again";
        }else{
            $pathfile=$this->CountFolder."/".$file;
            $content=date("Ymd").$ip2long;
            $oldfilecontent= file_get_contents($pathfile);        
            $pos=strpos($oldfilecontent,$content);
            if($pos===false){
                $fp = @fopen($pathfile,"a+");
                @fputs($fp,$content." ");
                @fclose($fp);
            }
        }    
    }

    //获得指定时间的统计数据
    //默认为1天 0 为取所有
    function GetCountByDay($day=1,$isall=true)
    {
        //今日的时间戳
        $all = 0;            
        $folder = "counter/counter.txt";
        $Y=date("Y");
        $m=date("m");
        $d=date("d");
        if(0==$day){
            $ta=file($folder);
            $all=count($ta);
        }
        else{
            if($isall){
                for($i=$day-1;$i>=0;$i--)
                {
                    $str= file_get_contents($folder);
                    $dd=$d-$i;
                    $date=date ("Ymd", mktime (0,0,0,$m,$dd,$Y));
                    preg_match_all("/$date-(d+)s+/",$str,$matches);
                    $ta = $matches[0];
                    $all= $all+ count($ta);
                }
            }
            else{
                $str= file_get_contents($folder);
                $dd=$d-$day+1;
                $date=date ("Ymd", mktime (0,0,0,$m,$dd,$Y));
                preg_match_all("/$date-(d+)s+/",$str,$matches);
                $ta = $matches[0];
                $all= $all+ count($ta);
            }
        }
        return $all;

    }
    function GetCountUseImg($day=1,$imgArray,$isall=true)
    {
        $allnumber = $this->GetCountByDay($day,$isall);
        for($i=0;$i<strlen($allnumber);$i++)
        {
            $idx = substr($allnumber,$i,1);
            $returnVal.= sprintf("<img src="/img/%s">",$imgArray[$idx]);
        }
        return $returnVal;
    }
}
$imgArray = array("0.png","1.png","2.png","3.png","4.png","5.png","6.png","7.png","8.png","9.png",);
$counter = new Counter();
/*
echo "<hr size=1>今日访问量为：".$counter->GetCountUseImg(1,$imgArray,false);
echo "<hr size=1 /> 昨日访问量为：".$counter->GetCountByDay(2,false);
echo "<hr size=1 />今昨日访问量为：".$counter->GetCountByDay(2);
echo "<hr size=1 />访问量为：".$counter->GetCountUseImg(0,$imgArray);*/
//echo "总浏览量:".$counter->GetCountUseImg(0,$imgArray)."今日访问数:".$counter->GetCountUseImg(1,$imgArray,false)."昨日访问数:".$counter->GetCountUseImg(2,$imgArray,false)."开始统计日:2007-11-18"
echo "总浏览量:<font color=blue >".$counter->GetCountByDay(0)."</font>&nbsp;&nbsp;今日访问数:<font color=blue >".$counter->GetCountByDay(1,false)."</font>&nbsp;&nbsp;昨日访问数:<font color=blue>".$counter->GetCountByDay(2,false)."</font>&nbsp;&nbsp;开始统计日:xxxx-xx-xx"
?>