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php实现的mongodb操作类_PHP

程序员文章站 2022-04-20 12:30:02
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mongo_db.php

throwError('集合不能为空!');
    }
 
    //判断是否传递了host和port
    if (NULL !== $host) {
      $this->host = $host;
    }
 
    if (NULL !== $port) {
      $this->port = $port;
    }
 
    $this->table = $table;
 
    $this->mongo = new MongoClient($this->host . ':' . $this->port);
    if ($this->getVersion() >= '0.9.0') {
      $this->dbname = $this->mongo->selectDB($dbname);
      $this->db = $this->dbname->selectCollection($table);
    } else {
      $this->db = $this->mongo->$dbname->$table;
    }
  }
 
  public function getVersion()
  {
    return MongoClient::VERSION;
  }
 
  /**
   * 单例模式
   * @return Mongo|null
   */
  //public static function getInstance($host=null, $port=null, $dbname=null, $table=null){
  //
  //  if(!(self::$instanceof instanceof self)){
  //    self::$instanceof = new self($host, $port, $dbname, $table);
  //  }
  //
  //  return self::$instanceof;
  /