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Send JSON data with Post Method in Ajax can not read the value By $_POST in PHP

When we are Working in Ajax, Some times we have to send data to server json format or

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<script>
function add(){
var jsondata = {name: 'freeonline', email:'freeonlinetest@gmail.com'};
var data = JSON.stringify( jsondata );
$.ajax({
type: "POST",
url: 'addsome.php',
data: data,
success: function(data){
console.log(data);
}
});
}
</script>

 



Case 1:
addsome.php

In this case we are using $_POST as Data Holder.

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print_r($_POST);
It will not work. It will return empty array

Out put:-

 



 

 

Case 2:



In this case php://input as data holder
addsome.php

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$data= file_get_contents("php://input");
print_r($data);

Out put:-

What is the Reason and why $_POST not working



The reason is that php://input returns all the raw data after the HTTP-headers of the request, It does not required any content type
however, $_POST method required content type like
1) application/x-www-form-urlencoded
2) multipart/form-data

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