Post array to PHP through ajax - php

Question

I'm trying to post an array through ajax to php file on form submit.
<form action="echo.php" method="post">
<input name="qwerty[]" type="text">
<input name="qwerty[]" type="text">
<input type="submit"/>
</form>
Basically, I use this to post to php file:
function getlist(alt) {
$.ajax({
type:'POST',
url: 'markattlist.php',
data:{today:alt},
success: function(data){
$('#helloflist').html(data);
},
error:function (){}
});
}
Above is an example of what I'm trying to do. I've searched, but unable to find the solution to that. How can I post an array through ajax.

Answer 1

You can serialize the form data using data:$('#form').serialize() function and can send it using ajax or you can use JSON data type to send an array.
var Data = $('#yorFormName').serializeArray();
var JSONData = JSON.stringify(convertToJSON(Data));
$.ajax({
url: your_url,
type: "POST",
dataType: "json",
data: JSONData,
contentType: "application/json; charset=utf-8",
success: function (response) {
if (response.status == 'success') {
// success logic
}
},
error: function () {
var errMsg = "Unexpected Server Error! Please Try again later";
}
});
Hope this will help you.

Answer 2

Instead of bothering how to send what you need, I advise you to use jquery serialize() method:
function getlist(alt) {
$.ajax({
type:'POST',
url: 'markattlist.php',
data: $("form").serialize(),
success: function(data){
$('#helloflist').html(data);
},
error:function (){}
});
}
And check on server-side with
print_r($_POST);

Answer 3

data: JSON.stringify({d:c}),
Encode it as json and decode it on the server:
$data=json_decode($_POST["data"]);