How to make photo effects with php, skew images etc? [closed]

Question

How do I make image effects to rotate and skew images in PHP?

I want to know the underlying stuff the magic, what php extension should i look into and learn to make this happen, any good tutorials online to make cool image effects?

Answer 1

For image effects and overlaying an image on top of another:

http://php.net/manual/en/book.imagick.php

http://php.net/manual/en/book.image.php

Answer 2

Also have a look at ezcomponents

http://ezcomponents.org/docs/tutorials/ImageAnalysis http://ezcomponents.org/docs/tutorials/ImageConversion

Has some very strong image analysis and conversion methods.