Issue with webp

[icret]

download https://github.com/verot/class.upload.php
used 'test' folder upload webp format
show error:
File not uploaded on the server
Error: Can't read image source. Not an image?.

[icret]

[verot]

You have to make sure that your version of GD has webp support, and that PHP is compiled with GD support. Please note that the class is not supported on Windows (although it should work)

[icret]

thanks,already solved.