Very powerful php image watermark code, the details are well done, I hope you will like it, and welcome your suggestions.
Implement some of the following functions:
Support text watermarks and picture watermarks
Supports random or fixed position of watermark (nine-square grid)Watermark transparency setting (both image watermarks and text watermarks are supported)
Font, color and size settings of text watermark
The background of the picture watermark is transparent
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