Ajax POST request with JQuery and PHP

Today we will explain to you how to make ajax POST request with JQuery and PHP. In this article we’ll simply create form in HTML and submit form data via ajax POST request. Later on you can insert it into the database or use it in your further logic.

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What is AJAX and how it works

AJAX stands for Asynchronous JavaScript and XML, is a client-side script that allows web applications to work asynchronously without a page refresh. It fetches the data from the back-end server and updates the part of the web page without reloading the whole webpage.

Basic Ajax POST request

Also, we can use a datatype parameter i.e. json that helps us to receive the data in expected format from the server.

It’s time to create an example so I would like to divide this article in separate steps. In this example we’ll create an HTML form that contains the fields such as name, email and message and handle ajax POST request on click of the submit button.

Steps to make Ajax POST request with JQuery and PHP

  1. Create an HTML form
  2. Include the jQuery library
  3. Write a script for ajax call
  4. Handle POST data in PHP file
  5. Output

1. Create an HTML form

In the first step, we have to create an HTML form with the use of several fields like First Name, Last Name, Email and Message. Also we’ll add the button to submit the form data via ajax call.

Check the below code where we have created only HTML form.

index.php

Here we are not adding any validation because our goal is to provide the straight forward explanation of the article.

2. Include the jQuery library

We have to include the below jQuery library in the head section of the page.

3. Write a script for ajax call

Now in the next step, we have to write a script that helps us to place the ajax POST request on click of the submit button.

Following script will execute on click of the submit button.

In the above code, we used submission.php file as request URL to handle the request in the backend and also we display the response via alert method.

Let’s combine the above code together and see how it looks.

index.php

4. Handle POST data in PHP file

Let’s create a php file as submission.php to manage the upcoming data from the HTML file and revert back in JSON format as response.

submission.php

5. Output

Run the above code and check the output in the browser.

Output - Ajax POST request with JQuery and PHP - Clue Mediator
Output – Ajax POST request with JQuery and PHP – Clue Mediator

That’s it for today.
Thank you for reading. Happy Coding!

Demo & Source Code

Github Repository

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