Untitled

<?php
if(isset($_POST['id']){
$id=$_POST['id'];
$nol=array(
"nama"=>"Data Kosong",
"alamat"=>"Data Kosong",
"nomor"=>"Data Kosong",
"ket"=>"Data Kosong"
);
$konek=mysqli_connect("localhost","root","","contoh");
$lihat=mysqli_query($konek,"select * from nama");
$numrows=mysqli_num_rows($lihat);

if($numrows==null){
die( json_encode($nol) );
}else{
   $ar=array();
while($row=mysqli_fetch_array($lihat))
  $ar[]=$row;
}
echo json_encode($ar);die();
}
?>
 <html>
<head>
<meta charset="UTF-8">
<script src="jquery.js"></script>
<script>
$(document).ready(function(){
$('‪#‎id‬').click(function(){
var isi=$('#id').val();
$.ajax({
url:"?d=data.php",
type:"post",
data:{id:isi},
dataType:"json",
beforesend:function(){
$('‪#‎t‬').show();
},
success:function(data){
var html='';
$.each(data, function(i, item){
html+='<p>'+data[i].nama+'</p>';
html+='<p>'+data[i].alamat+'</p>';
html+='<p>'+data[i].nomor+'</p>';
html+='<p>'+data[i].ket+'</p>';
)}
$('‪#‎besar‬').append(html);
$('#t').hide();
}
});
});
});

</script>
</head>
<body>
<input type="submit" name="id" id="id" value='33' />
<span id="t" style="display:none;"></span>
<br>
<div id="besar">
<div id="nama"></div>
<div id="alamat"></div>
<div id="nomor"></div>
<div id="ket"></div>
</div>

</body>
</html>