json结果 多了 一列

$sql5 = "select id,name,type,size,location,hremail from company";

$result5 = mysql_query($sql5);

while($row5 = mysql_fetch_array($result5))

｛

$companyA[] = $row5;

｝

$jsoncompany = json_encode($companyA);

echo $jsoncompany;