How do get variables from PHP through AJAX

Hi Friends,

Don't Worry, Now I am Explain to get variables from PHP through AJAX.Follow the instruction,

//php value get in jquery in variabel

var php_id = <?php echo $id ?>;

$.ajax({

type:'POST', //post method

url:'ajax-file.php', // redirect URL

data:'start_test_id='+php_id, // POST DATA

success:function(html){

var obj = JSON.parse(html);

if (obj.success == 1){

alert('sucess');

} // success response in json

}

})

ajax-file.php

if(isset($_POST['start_test_id'])){

$php_id = $_POST['start_test_id'];

$insert_sql = $mysqli->query("INSERT INTO xx(yy) VALUES ('$php_id')"); // insert query

if($insert_sql == true){ //json response

$response["success"] = "1";

$test_check = json_encode($response);

}

}

I hope this answer helps for All. If you have an any queries

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