Question

php数组转换成json格式问题

$arr=array('id'=>'1','name'=>'2');
转换后是{"id":"1","name":"2"}这样的我想转换后成{”arr“:[{"id":"1","name":"2"}]}这样

Answer 1

$arr=array('id'=>'1','name'=>'2');
function my_combine(&$var, $scope=null){
$scope = $scope==null? $GLOBALS : $scope;
$tmp = $var;
$var = 'tmp_value_'.mt_rand();
$name = array_search($var, $scope, true);
$var = $tmp;
return array($name=>$var);
}

echo json_encode(my_combine($arr));//{"arr":{"id":"1","name":"2"}}

Answer 2

echo json_encode(array('arr'=>array(array('id'=>1,'name'=>2))));exit;