PHP Select2 Multiple Select Ajax Example

PHP , jquery , Bootstrap 4




Hi Guys,

In this blog, I will show you how to store jquery select2 multiple select value into database using ajax in php. We will store multiple select value jquery select 2 with ajax php example.

Jquery select2 plugin is a very famous jquery plugin, using select2 plugin we can do several thing like select box with search, select option with check box, ajax auto-complete etc.

In this example, I have two file one select.php for user to show layout and another for selectpro.php that will give posts table records. i have also one "posts" table and there are store records in that table when i will store from select box it will give me match result. This example you can run easily in your system too.


<html lang="en">


<title>jquery select2 ajax php example</title>

<link rel="stylesheet" href="" integrity="sha256-aAr2Zpq8MZ+YA/D6JtRD3xtrwpEz2IqOS+pWD/7XKIw=" crossorigin="anonymous" />

<script src="" integrity="sha256-OFRAJNoaD8L3Br5lglV7VyLRf0itmoBzWUoM+Sji4/8=" crossorigin="anonymous"></script>

<script src=""></script>

<link href="" rel="stylesheet" />

<script src=""></script>



<div class="row mt-5">

<div class="col-md-6 offset-3 mt-5">

<div class="card">

<div class="card-header bg-info text-white">

<h5>PHP Select2 Multiple Select Ajax Example -</h5>


<div class="card-body" style="height: 300px;">

<div class="row mb-2">

<div class="data-response col-md-12" style="display: none;">

<div class="alert alert-success"></div>



<form method="POST">

<div class="form-group">

<label>Title :</label>

<input type="text" name="title" class="form-control">


<div class="form-group">

<label>Category :</label>

<select class="category form-control" name="category[]" multiple>

<option value="1">Laravel</option>

<option value="2">Jquery</option>

<option value="3">PHP</option>

<option value="4">React</option>

<option value="5">Jquery ui</option>

<option value="6">Android</option>

<option value="7">React Native</option>

<option value="8">Vue js</option>

<option value="9">Bootstrap 4</option>



<div class="form-group">

<button class="btn btn-success store-data btn-sm">Save</button>







<script type="text/javascript">

$(document).ready(function() {



$('body').on('click','.store-data',function (e) {


var title = $('input[name=title]').val();

var category = $('.category').val();


method: 'POST',

url: '/selectPro.php',





success: function(data) {





// setTimeout(function() {}unction(){$('.alert-success').hide();}, 3000);









define (DB_USER, "root");

define (DB_PASSWORD, "root");

define (DB_DATABASE, "new_blog");//Database Name

define (DB_HOST, "localhost");

$mysqli = new mysqli(DB_HOST, DB_USER, DB_PASSWORD, DB_DATABASE);

$title = $_POST['title'];

$category = implode(', ', $_POST['category']);

$sql = "INSERT INTO posts (title,category) VALUES ('$title', '$category')";

$result = $mysqli->query($sql);

echo 'Data Inserted Successfully'


It will help you...

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