This tutorial explains how to install PHP‑GD and Video4Linux, create a web page that streams webcam video with getUserMedia, capture frames to a canvas, send them to a PHP script, and apply real‑time filters such as grayscale, sepia, or invert using the GD library.
This tutorial explains how to set up a PHP environment, capture live webcam video with OpenCV, and apply various real‑time image effects using the GD library, including code examples for grayscale, blur, contrast, edge detection, and keyboard‑controlled effect switching.
This tutorial explains how to set up a PHP environment, use OpenCV and GD libraries to capture webcam video, apply various real-time image effects such as grayscale, blur, and edge detection, and switch effects via keyboard input, providing complete code examples.
This article explains how to use PHP's GD library to compress, crop, add watermarks, and generate thumbnails for images, providing clear code examples for each operation to help developers efficiently handle common image processing tasks in web applications.
This article explains the PHP GD library function imagefilledarc, detailing its parameters, return values, and providing a complete example that creates a PNG image with filled elliptical arcs and a simple 3‑D effect.
This article explains the PHP imagecreatefrompng function, detailing its syntax, parameters, return values, and provides a complete example that loads a PNG file, handles errors, creates a blank image, draws a rectangle, and outputs the result as a PNG image.
