PHP Archives - Page 70 of 71

Secure Your PHP Forms with Google reCAPTCHA v2 Integration

Last updated on May 1, 2023 by Yogesh Singh

Websites are a big deal in our lives today. They let us chat with friends, get info, and even do business. But now that websites are so popular, spam and bots are a big problem.

Google reCAPTCHA v2 is useful in this situation. It’s a free tool by Google that boosts website security by ensuring that visitors are humans, not robots.

So, you know those annoying spam messages that show up on websites? Google reCaptcha helps stop ’em. Adding reCAPTCHA v2 to your website is a breeze! Once it’s set up properly, it’ll display an “I’m not a Robot” checkbox on your form.

When it gets clicked then different types of images on the screen display and you have to select the images that match the question asked.

In this article, I show how you can integrate Google reCAPTCHA v2 with PHP and also explain its advantage.

Secure Your PHP Forms with Google reCAPTCHA v2 Integration

Make Autocomplete Search with jQuery AJAX

Last updated on December 22, 2022 by Yogesh Singh

Autocomplete search filter display suggestion based on the user input e.g. listing all products which start with the character ‘a’.

It makes easier for the user to search for an item from the list and select it from the suggestion list.

Require jQuery AJAX for implementing this.

Whenever the user enters a character send an AJAX request to fetch records with PHP and display the result.

In the demonstration, I show a textbox to search users. When an item selected from the suggestion list then fetch details of the selected users and display on the screen.

How to Auto populate dropdown with jQuery AJAX

Last updated on April 23, 2023 by Yogesh Singh

When working with large datasets, auto-populating dropdown lists is a common requirement in web development.

With the help of jQuery AJAX, it’s possible to dynamically fill dropdown lists with data from a server in response to user input.

A common use case of this feature is when selecting a country, state, and city. According to the country selection related state list populates, followed by a list of cities within the selected state.

It enables users to quickly choose their location from a list of options and can enhance the user experience by requiring less manual input.

In this article, we’ll explore how to use jQuery AJAX and PHP to retrieve data from a MySQL database and populate it on the dropdown in a real-time. By the end of this article, you will know how to create dynamic dependent dropdown lists that will enhance the user experience and make web forms much simpler to use.

How to Auto populate dropdown with jQuery AJAX

Login page with jQuery and AJAX

Last updated on October 12, 2020 by Yogesh Singh

A Login page is one of the basic requirements when creating a registration based website where the user can register to the website and sign in to its account to manage.

In this case, you can use AJAX to create a user-friendly login page.

With AJAX you can directly check the entered username and password are correct or not in MySQL database without reloading the whole page.

If the user is registered then redirect the user to a home page otherwise display an error.