string(1) "1"  ["radioname"]=>  string(1) "小二" &"/>     string(1) "1"  ["radioname"]=>  string(1) "小二" &">
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php查询数据库的int字段，打印出来如何是字符串类型呢

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2016-06-13 11:32:251145browse

php查询数据库的int字段，打印出来怎么是字符串类型呢？
array(9) {
  ["id"]=>  
  string(1) "1"
  ["radioname"]=>
  string(1) "小二"
  ["author"]=>
  string(9) "小三"
  ["did"]=>
  string(1) "1"
.............

就连主键自增的id也是字符串类型，求解，谢谢

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