<?php
$json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';
var_dump(json_decode($json));
var_dump(json_decode($json, true));
?>
不加true参数的将会输出一个对象,加了true参数的会以数组形式输出
https://www.cnblogs.com/yolo-bean/p/7688961.html
<?php
/*验证验证码是否正确*/
session_start();
$code = trim($_POST['code']);//接收前端传来的数据
$raw_success = array('code' => 1, 'msg' => '验证码正确');
$raw_fail = array('code' => 2, 'msg' => '验证码错误');
$res_success = json_encode($raw_success);
$res_fail = json_encode($raw_fail);
header('Content-Type:application/json');//这个类型声明非常关键
if ($code == $_SESSION["verfycode"]) {
echo $res_success;
} else {
echo $res_fail;
}
?>
https://blog.youkuaiyun.com/qq_16371909/article/details/78330929