与php有关的问题？

Question

在php中如何判断前端ajax到底是使用get方式还是post方式来请求后端的数据

Answer 1

if($data=$_GET['data']) {     echo "$data";}else if($data=$_POST['data']){    echo "$data";}

Answer 2

if($data=$_GET['data']) {  // echo "$data"; $sql="SELECT upwd FROM user WHERE uname='$data'"; $result=mysqli_query($conn,$sql); if(!$result){echo "$sql";} else{ $row=mysqli_fetch_assoc($result); echo "$row[upwd]"; }}else if($data=$_POST['data']){ echo "$data";}