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User Login Form Validation using Ajax in PHP

To create User Login Form Validation using Ajax in PHP, first, we create major files which we connected to each other. Here we create a PHP script to get the data and for database connection and create a JS file for Ajax validation.

User Login Form Validation using Ajax in PHP
User Login Form Validation using Ajax in PHP

After checking the complete source code you can also download it from the given link at the end of the tutorial.

Check live view below.

Here is the list of files that we create on the Username and password validation process,

  • index.php: Here we create HTML Bootstrap input fields.
  • ajaxValidation.js: Create email validation function and PHP Ajax request to validate the user.
  • config.php: On this file, we create a database connection.
  • showData.php: If validation success, this file used to show the user data.

Before start create a database and paste the below code on the SQL tab on phpMyAdmin,

Now we create complete source code for Username and password validation in PHP using AJAX,

index.php

Here are 3 major things,

  • Set ID attribute on input fields to get user input data via Ajax.
  • Use the ID attribute to check the form submitted by the user using Ajax.
  • Create email validation function on email input which works onBlur event.

config.php

ajaxValidation.js

Code Explanations:

  • On this, first, we create an email validation function, which validates on onBlur event.
  • After that takes user data and sends it to the PHP script to check whether the data is valid or not and then prints it on the HTML page using paragraph ID.

showData.php

Code Explanations:

  • Here we heck the inputs first by post method, if the input is empty then we print the message and exit the execution then the message will print on the HTML page.
  • Created a query for checking UserName and Password, if both are correct then we show the detail of that user. Otherwise, print the error message by Ajax code.
Username and password validation in PHP using AJAX
Username and password validation in PHP using AJAX

Here is complete tutorial about how we setup validations on Login form using PHP Ajax.

To know more about jQuery Ajax you can check here https://api.jquery.com/jquery.ajax/

Download Complete Source of Login Form Validation using Ajax in PHP

Download Complete Source of Login Form Validation using Ajax in PHP

Also Check:

Happy Coding..!

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