<?php

 const FILE_NAME = "file_info.dat";

 class file_info

 {

     public $file_name;

     public $self_count;

     public $total_count;

 }

 //判断文件是否存在

 if (file_exists(FILE_NAME))

 {

   echo "file existed.\n";

   unlink(FILE_NAME);

 }

 $fd = NULL;

 $fd = fopen(FILE_NAME, "wb");

 if ($fd == NULL || $fd == false)

 {

   echo "Failed to open file.\n";

   return;

 }

 $obj = new file_info();

 if ($obj == NULL)

 {

    echo "Failed to create object.\n";

    return;

 }

 for($i=0; $i<3; $i++)

 {

    $temp_1 = $i * 10;

    $temp_2 = $i * 100;

    /*

    $obj->file_name = "file_".$i."\n";

    $obj->self_count = $temp_1."\n";

    $obj->total_count = $temp_2."\n";

    */

    //构造字符串。filename-0-0\n

    $row = "file_".$i."-".$temp_1."-".$temp_2."\n";

    echo "row: ".$row;

    fwrite($fd, $row);

 }

 if ($fd)

   fclose($fd); 

 $fd = fopen(FILE_NAME, "rb");

 if ($fd == false)

 {

    echo "Failed to open read file.\n";

    return;

 }

 $obj_params =  array();

 $i = 0;

 while (!feof($fd))

 {

     $tmp_obj = new file_info();

     $tmp_row = fgets($fd);

     if ($tmp_row == NULL)

     break;

     $pos_1 = strpos($tmp_row, '-',0);

     $pos_2 = strpos($tmp_row,'-',$pos_1 + 1);

     $tmp_obj->file_name = substr($tmp_row, 0, $pos_1);

     $tmp_obj->self_count = substr($tmp_row, $pos_1 + 1, $pos_2- $pos_1 - 1);

     $tmp_obj->total_count = substr($tmp_row, $pos_2 + 1, strlen($tmp_row) - $pos_2 - 2);

     $obj_params[$i] = $tmp_obj;

     $i++;

 }

 for ($k = 0; $k < count($obj_params); $k++)

 {

    echo $obj_params[$k]->file_name."\n";

    echo $obj_params[$k]->self_count."\n";

    echo $obj_params[$k]->total_count."\n";

 }

 if ($fd)

    fclose($fd);