How to achieve a blur effect in PHP?

Question

I\'ve been looking for PHP code to apply a Gaussian blur to images.

What I\'ve done was like this:

Answer 1

Image optimization is very heavy process so personally if i have these kind of task in PHP then i use this PHP Image Library Called PhpThumb it can create blur images without any code you just need to call it's script via url and provide parameters according to its docs check it's demo.