21 Jun 2025

PHP's GD library supports image processing operations without additional dependencies. 1. Resize: Use imagecreatefromjpeg() to load the picture, create a new size canvas, scale and save it through imagecopyresampled(); 2. Crop: After loading the original image, create a new target size canvas and copy the specified area; 3. Add a watermark: Use imagettftext() to add text or use imagecopy() to overlay the transparent PNG logo. The basic functions are simple and effective, and other libraries can be considered for complex needs.

10 Nov 2024

Redefining Class Methods Without InheritanceYou want to redefine a method in a third-party library without modifying the library itself. This can...

27 Aug 2025

This article aims to provide a solution to randomly load images from a MySQL database using PHP and display them in a responsive image library. This solution ensures that the loaded pictures are not duplicated and evenly distributed in multiple column layouts, thereby achieving a beautiful and efficient picture display effect. It mainly uses arrays to store HTML code, and loops to allocate them to different columns, and finally outputs them uniformly.

11 Mar 2025

This article will guide you to create a simple picture carousel using the jQuery library. We will use the bxSlider library, which is built on jQuery and provides many configuration options to set up the carousel. Nowadays, picture carousel has become a must-have feature on the website - one picture is better than a thousand words! After deciding to use the picture carousel, the next question is how to create it. First, you need to collect high-quality, high-resolution pictures. Next, you need to create a picture carousel using HTML and some JavaScript code. There are many libraries on the web that can help you create carousels in different ways. We will use the open source bxSlider library. The bxSlider library supports responsive design, so the carousel built with this library can be adapted to any

25 Jul 2025

Effectively managing massive images requires CDN or cloud storage to improve performance and scalability; 2. Optimize file structure through reasonable naming rules and directory storage; 3. Use PHP to automatically compress and convert it into efficient formats such as WebP to reduce volume; 4. Combine front-end responsive images and lazy loading technology to improve loading speed; 5. Realize signature URL anti-theft chain and upload security verification to prevent malicious files, thereby building a safe and efficient picture system to support commercial monetization.

29 Nov 2024

Unable to Locate 'ZipArchive' Class: 'Fatal Error' SolutionIssue:When attempting to establish a zip archive using the 'Archive_Zip 0.1.1' library...