The web form is a widely used element for web applications. Contact or feedback form is used for online communication and the submitted form data is sent via email instantly. When the contact form has a file upload field, the file needs to be sent by email...

The one-time download link is ideal to give a digital product (code, music, video, etc) to a single person and expire the link once the product is downloaded. With the temporary download link, you don't need to manually monitor the download activity in ord...

GitHub OAuth Login is a quick and powerful way to integrate user login system into the web application. GitHub authentication API allows the users to sign in to the website using their GitHub account without registration on your website. You can easily int...

PayPal Checkout is the easiest way to integrate payment gateway in your web application. PayPal Express Checkout payment gateway is very useful when you want to provide a user-friendly UI to the user for the online payment. The PayPal Express Checkout exec...

OTP or one-time password is a fast and effective way to verify the mobile number of the user. This method is widely used for mobile number verification in the web application, mostly in banking and e-commerce sites. Generally, OTP is sent to the user’s m...

YouTube videos are watched online and YouTube did not provide any download option for offline uses. If you want to access the raw file of the YouTube video, the video needs to be downloaded. The YouTube video downloader script helps to download the YouTube...

Google reCAPTCHA is a free service that allows you to implement CAPTCHA functionality in the web form. Google provides two types of reCAPTCHA for the web form, reCAPTCHA v2 and Invisible reCAPTCHA. Google Invisible reCAPTCHA works same like the reCAPTCHA v...

File upload in PHP is the most used functionality for the web application. Single file or multiple files can be easily uploaded using PHP. PHP provides a quick and simple way to implement server-side file upload functionality. Generally, in the web applica...

The image functions of GD library is the easiest way to create a dynamic image with text in PHP. In some situation, you need to create an image on the fly and write dynamic text to the image. To generate a dynamic random image with PHP, GD library needs to...