WebIM 导出聊天记录时，显现出来的怎么没有消息的具体内容

array (size=9)

  'action' => string 'get' (length=3)

  'params' => 

    array (size=3)

      'cursor' => 

        array (size=1)

          0 => string 'LTExOTc5ODMxMzc6Z0drQUFRTUFnR2tBQmdGU0xfUENzZ0NBZFFBUU5jbVF6cmhERWVXTzlMSEpWVU9zT1FDQWRRQVFOY21ReExoREVlV0dzYkZhMkR1XzRnQQ' (length=122)

      'limit' => 

        array (size=1)

          0 => string '10' (length=2)

      'ql' => 

        array (size=1)

          0 => string 'select * where timestamp>1435536480000' (length=38)

  'path' => string '/chatmessages' (length=13)

  'uri' => string 'http://a1.easemob.com/xdl/cg/chatmessages' (length=44)

  'entities' => 

    array (size=10)

      0 => 

        array (size=11)

          'uuid' => string '3ecd9c6a-b843-11e5-890d-0b136cf3dec2' (length=36)

          'type' => string 'chatmessage' (length=11)

          'created' => float 1452503466065

          'modified' => float 1452503466065

          'timestamp' => float 1452503465414

          'from' => string '11974' (length=5)

          'msg_id' => string '150060425273152128' (length=18)

          'to' => string '1452503416784' (length=13)

          'groupId' => string '1452503416784' (length=13)

          'chat_type' => string 'groupchat' (length=9)

          'payload' => 

            array (size=2)

              ...

      1 => 

        array (size=11)

          'uuid' => string '3f6a037a-b843-11e5-aabb-2933387c67ed' (length=36)

          'type' => string 'chatmessage' (length=11)

          'created' => float 1452503467090

          'modified' => float 1452503467090

          'timestamp' => float 1452503466806

          'from' => string '11974' (length=5)

          'msg_id' => string '150060431212282496' (length=18)

          'to' => string '1452503416784' (length=13)

          'groupId' => string '1452503416784' (length=13)

          'chat_type' => string 'groupchat' (length=9)

          'payload' => 

            array (size=2)

              ...

  'timestamp' => float 1453511703847

  'duration' => int 62

  'cursor' => string 'LTExOTc5ODMxMzc6ZdGU01BSUdiQUNBZFFBUVlyVXd29ELU15cHVxX0FDQWRRQVFZclFQcExoRkVlV0Uwbzg3dVVHOWx3QQ' (length=122)

  'count' => int 10

	/*

		导出聊天记录---分页

	*/

	function getChatRecordForPage($ql,$limit=0,$cursor){

		if(!empty($ql)){

			$url=$this->url.'chatmessages?ql='.$ql.'&limit='.$limit.'&cursor='.$cursor;

		}

		$header=array($this->getToken());

		$result=$this->postCurl($url,'',$header,"GET");

		$cursor=$result["cursor"];

		$this->writeCursor("chatfile.txt",$cursor);

		//var_dump($GLOBALS['cursor'].'00000000000000');

		return $result;

	}

	

	$ql="select+*+where+timestamp>1435536480000";

	$cursor=$h->readCursor("chatfile.txt");

	var_dump($h->getChatRecordForPage($ql,10,$cursor));