gd - 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:

<?php
$image = imagecreatefromjpeg('new.jpg'); 
imagefilter($image, IMG_FILTER_GAUSSIAN_BLUR);
imagejpeg($image, 'blur.jpeg');
imagedestroy($image);
?>

However the effect is very weak, and if I repeat the blur effect, it takes a very long time to process and the end result is still not that good.

I also used Timthumb , I always liked its simplicity, but it crops the image by default and its blurring effect is very weak.

Answer 1

You can use ImageMagic

Original Image

Run via exec

convert a.png -blur 0x3 a_blur.png

OR Run

convert a.png -blur 0x8 a_blur.png