PHP系列 | 索引数组和关联数组转JSON区别

$indexArr = ["PHP","Java","Golang"];
var_dump($indexArr);

array(3) {
  [0]=>
  string(3) "PHP"
  [1]=>
  string(4) "Java"
  [2]=>
  string(6) "Golang"
}

$indexArr = ["PHP","Java","Golang"];

echo json_encode($indexArr);

["PHP","Java","Golang"]

$mapArr = ["name" => "Tinywan","age" => 24, "schoole" => "GanSu"];
var_dump($mapArr);

array(3) {
  ["name"]=>
  string(7) "Tinywan"
  ["age"]=>
  int(24)
  ["schoole"]=>
  string(5) "GanSu"
}

$mapArr = ["name" => "Tinywan","age" => 24, "schoole" => "GanSu"];
echo json_encode($mapArr);

{"name":"Tinywan","age":24,"schoole":"GanSu"}