php读取大文件示例分享(文件操作类)(3)

  /**
   * TODO:统计{$data}.{$op}.log记录数
   * @param string $date
   * @param int $appid
   * @param string $op
   * @param array $condition
   * @return array
   */
  public function countFile($date , $appid , $op ,$condition=array())
  {
   $data['count'] = 0;
   $handle = self::_openFile($date , $appid , $op );  
   if($handle)
   {
    $handle->setMaxLineLen($this->length);
    while (!$handle->eof())
    {
     $tmp = $handle->current();
     if(empty($tmp)) continue;
     $tmp = self::_parseData($tmp);
     if($condition && is_array($condition) )
     {      
      $key = array_keys($condition);
      if(isset($tmp['data'][$key[0]]) && $tmp['data'][$key[0]] && in_array($tmp['data'][$key[0]], $condition[$key[0]]))
      {
       $data['count']++;
      }
     }
     else
     {
      $data['count']++;      
     }

     unset($tmp);     
     $handle->next();
    }
   }
   unset($handle , $condition , $tmp , $key , $val);
   self::closeFile($date , $appid , $op );

   $data['diffTime'] = doubleval(microtime(true)) - doubleval($this->startTime);
   $data['memory'] = doubleval((doubleval(memory_get_usage(true)) -  doubleval(self::$startMemory))/1024/1024) . ' M';

   return $data;
  }  

  

  /**
   * TODO:统计用户数
   * @param string $date
   * @param int $appid
   * @param string $op
   * @param bool $midflag ：默认为false 则 mid返回空数组；如设为true，则mid数组不为空
   * * @param bool $jsonFlag：默认为true， 则保留jsondata字段；设为false，则去掉jsondata字段
   * @param array $condition
   * @return : array：形如（{"mid":[],"count":2181,"diffTime":0.0397667884827,"memory":"3.75 M"}）
   */
  public function countFileMID($date , $appid , $op  ,  $midflag=false , $jsonFlag=false,  $condition=array())
  {
   //$count = self::total_lineFile($date , $appid , $op );
   $count = self::countFile($date , $appid , $op );
   $index = ceil($count['count'] / $this->limit);
   $result = array('mid'=>array() , 'count'=>0 , 'diffTime'=>0 , 'memory'=>0);

for ($i=0 ; $i<$index ; $i++)
   {
    $startNum = $this->limit*$i;
    $endNum = $this->limit;
    $data = self::readFile($date , $appid , $op  ,  $startNum , $endNum , $jsonFlag);
    var_dump($data);exit();

if($data['data'] && is_array($data['data']))
    {
     foreach ($data['data'] as $arr)
     {
      if($condition && is_array($condition))
      {
       $key = array_keys($condition);
       if(isset($arr['data'][$key[0]])  && (in_array($arr['data'][$key[0]] , $condition[$key]) || empty($condition[$key[0]])))
       {
        $result['mid'][$arr["mid"]] =1;
        $result['count']++;
       }
      }
      else
      {
        $result['mid'][$arr["mid"]] =1; 
        $result['count']++;
      }
      unset($data);
     }
    }
   }
   unset($index , $count , $condition , $data  , $arr);
   self::closeFile($date , $appid , $op);

   $result['mid'] = array_keys($result['mid']);  
   if(empty($midflag)) unset($result['mid']); 

   $result['diffTime'] = doubleval(microtime(true)) - doubleval($this->startTime);
   $result['memory'] = (memory_get_usage(true) - self::$startMemory)/1024/1024 . ' M';
   return $result;
  }

  
  /**
   * TODO:跨时间段 统计参加$op用户数据
   * @param string $date
   * @param int $appid
   * @param string $op
   * @param number $day
   * @param bool  $midflag ：默认为false 则 mid返回空数组；如设为true，则mid数组不为空
   * @return array 形如（"20140326":{"mid":[],"count":4571,"diffTime":0.0806441307068,"memory":"3.75 M"},
  *          "20140325":{"mid":[],"count":2181,"diffTime":0.0397667884827,"memory":"3.75 M"}）
   */
  public function getReturnUser($date , $appid , $op , $day=1 , $midflag=false)
  {
   $date_i=0;
   for ($i =0; $i<$day ; $i++){
    $date_i = date('Ymd' , strtotime($date)-$i*86400);
    $result[$date_i] = self::countFileMID($date_i , $appid , $op , $midflag); 
   }
   unset($date , $date_i , $appid , $op  , $day);

   return $result;
  }
 }
?>

Lib_File1.php

复制代码 代码如下: