PHP: Resizing and Watermarking Images

Learn how to batch process images with the PHP GD functions. Watermark photos and generate different sizes ready for use in responsive web design.

Introduction

• Welcome
• What you should know before watching this course
• Using the exercise files

1. Image Processing with GD

• Introducing the GD extension
• Scaling an image with imagescale()
• Getting an image's dimensions and MIME type
• Resizing an image with imagecopyresampled()
• Adding a text watermark
• Adding an image watermark
• Correcting an image's orientation
• Checking the MIME type and dimensions of a WebP image
• Converting to a different image format

2. Batch Processing Images

• Project overview
• Setting up the class definition
• Checking source images and orientation
• Setting output sizes and quality
• Adding an optional watermark
• Generating the output images
• Using the script

Conclusion

• What next?