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php 文件统计人数代码

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WBOYOriginal
2016-06-13 10:38:471111browse

代码实例


php 文件统计人数代码


    $countfile = "num.txt";
    //定义计数器写入的文件是当前目录下count.txt,然后我们应当测试该文件能否打开
    if (($fp = fopen($countfile, "r ")) == false) { //用读写模式打开文件,若不能打开就退出
     printf ("打开文件 %s 失败!",$countfile);
     exit;
    }
    else
    {
     //如果文件能够正常打开,就读入文件中的数据,假设是1
     $count = fread ($fp,10);
     //读取10位数据
     $count = $count 1;
     fclose ($fp);
     //关闭当前文件
     $fp = fopen($countfile, "w ");
     //以覆盖模式打开文件
     fwrite ($fp,$count);
     //写入加1后的新数据
     fclose ($fp);
     //并关闭文件
    }

    //$count转换为图片模式的代码
     $fp = fopen ($countfile, "r"); //以只读模式打开文件
     $array_count = 1; //定义一个表示数组元素位置的变量,下面要用
     while (! feof($fp)) {
      $current_number = fgetc($fp);
      $counter_array[$array_count] = $current_number;
      $array_elements = count ($counter_array);
      $array_count = $array_count 1;
     }
     //显示代码
     echo ("
欢迎您,第");
     for ($array_id = 1;$array_id       echo ("php 文件统计人数代码");
     }
     echo ("位客人
");
    ?>


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