Jquery Input Post with Same name Input Like PHP Post

A few days ago I found a problem with my Input name. If I using PHP, I can create form input using name array if I have form input with same name like this:

<!DOCTYPE html>
	<title>Example POST</title>
	<form method="post" accept-charset="utf-8" action="getPost.php">
		<input type="text" name="people[]" value="john"><br />
		<input type="text" name="people[]" value="bill"><br />
		<input type="text" name="places[]" value="california"><br />
		<input type="text" name="places[]" value="michigan"><br />

		<input type="submit" value="Save" />

And this is file php to get post:

	echo "<pre>";
	echo "</pre>";

And if we run that code (click submit/save button), we can get result like this:

    [people] => Array
            [0] => john
            [1] => bill

    [places] => Array
            [0] => california
            [1] => michigan


Then the question is, how to create like that if I use Jquery?
For the answer, the first we must change file example.php to be like this:

<!DOCTYPE html>
	<title>Post Using Ajax</title>
	<script src='http://code.jquery.com/jquery-latest.min.js'></script>
	<h1>Example Post Using Ajax</h1>
	<form method="post" accept-charset="utf-8">
		<input type="text" name="people[]" value="john"><br />
		<input type="text" name="people[]" value="bill"><br />
		<input type="text" name="places[]" value="california"><br />
		<input type="text" name="places[]" value="michigan"><br />

		<input type="submit" value="Save" />

<script type="text/javascript">
	$(function () {

	    $( "form" ).submit(function(e) {
	            url: "getPost.php",
	            type: "post",
	            data: $( this ).serialize(),
	            success: function (data) {


  1. Line 9. We change code with remove action attribute form tag <form>
  2. Line 21 is to trigger if user click save button, so if user klik save button, and from the form $(“form”), run the function
  3. Line 23. We send data using Ajax. Read this for more info ajax http://en.wikipedia.org/wiki/Ajax_(programming)
  4. Line 24. This same if we use just using html form action like this:
    <form action="getPost.php"......
  5. Line 25 to send data using method post like this:
    <form method="post"......
  6. Line 26. This is built-in function from jquery to get all value input. For more info look this site https://api.jquery.com/serialize/
  7. Line 27 is using to get the result if data succes sending. If we using php console.log like print_r() function

The important thing here is to use the built-in function of jquery that is .Serialize ()
Then now run that code, and don’t forget to open your browser developer mode. If using Chrome, the developer mode can open using this shorcut Ctrl + Shift + J or for firefox Ctrl + Shift + K.
This the result if we click save button (I using Chrome):


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