ajax – Send Array to PHP & Reply From PHP

JS 部份

//ajax 傳送array 到php
var loginInfo = [];
var username = $("#username").val();
var password = $("#password").val();
loginInfo.push({"username": username, "password": password});
loginInfo = JSON.stringify(loginInfo);  //將array轉成json形式
$.ajax({
  type:"POST",
  url:"target.php",
  dataType:"json",
  data:{loginInfo:loginInfo},
  success:function(result){
    console.log(result);
    console.log(result.key1);
  }
});

PHP 部份

//php 接收前台傳來的array
if(isset($_REQUEST['loginInfo']){
  $loginInfo = json_decode($_REQUEST['loginInfo']);  //將json形式decode
  
  for($i = 0;$i < sizeof($loginInfo); $i++){
    echo $loginInfo[$i]->username;
  }
  
  $array = array[
    "key1" => "value1",
    "key2" => "value2",
  ];
  $array = json_encode($array);  //以json形式encode
  echo $array;  //回傳$array
}