This course will lead you to cleverly implement image watermark and thumbnail functions through the GD library in PHP. You can easily master the implementation ideas of the case. At the same time, the course also explains how to encapsulate this process into classes, which can further deepen your understanding of object-oriented understanding.
Learning "PHP Watermarks and Thumbnails" can deepen your understanding of the GD library, use the GD library to add text and image watermarks to pictures, use the GD library to compress pictures, and create your own tool class.
