PHP | Imagick blurImage() function

The Imagick::blurImage() function is an inbuilt function in PHP which is used to add blur filter to the image. This function returns True on success.

Syntax:

bool Imagick::blurImage( $radius, $sigma, $channel )

Parameters: This function accepts three parameters as mentioned above and described below:

• $radius: This parameter is used to set blur radius in an image.
• $sigma: It sets the standard deviation.
• $channel: This parameter set the channel type constant. If it is not supplied then all channels are blurred.

Return Value: This parameter returns True on success.

Below programs illustrate the Imagick::blurImage() function in PHP:

Program 1:

<?php

// Create an Imagick object
$image = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-9.png');

header('Content-type: image/jpeg');

// Use blurImage function
$image->blurImage(5, 3);

// Display the output image
echo $image;
?>

Output:

Program 2:

<?php

// Create an Imagick object
$image = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/col1.png');

header('Content-type: image/jpeg');

// Use blurImage function
$image->blurImage(7, 3);

// Display the output image
echo $image;
?>

Output:

Reference: http://php.net/manual/en/imagick.blurimage.php