php的计数器程序_php基础
May 17, 2016 am 09:49 AM1)文本计数器
$countfile="/count.txt"; //设置保存数据的文件
if (!file_exists($countfile)){//判断文件是否存在
exec( "echo 0 > $countfile");
}
$fp = fopen($countfile,"rw");
$length=filesize($countfile);
$num = fgets($fp,$length);
$num += 1;
exec( "rm -rf $countfile");
exec( "echo $num > $countfile");
print "访问量总计:"."$num"."人次"; //显示访问次数
?>
2)图形计数器
$countfile="/count-num.txt"; //设置保存数据的文件
if (!file_exists($countfile)) //判断文件是否存在
{exec( "echo 0 > $countfile");}
$fp = fopen($countfile,"rw");
$length=filesize($countfile);
$num = fgets($fp,$length);
$num += 1;
exec( "rm -rf $countfile");
exec( "echo $num > $countfile");
$len_str = strlen($num);
for($i=0;$i$each_num = substr($num,$i,1);
$out_str = $out_str . "";
}
print "访问量总计:"."$out_str"."人次"; //显示访问次数
?>

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