PHP | Imagick setCompression() Function

The Imagick::setCompression() function is an inbuilt function in PHP which is used to set the object’s default compression type.

Syntax:

bool Imagick::setCompression( int $compression )

Parameters: This function accepts single parameter $compression which holds an integer matching to one of Imagick::COMPRESSION_* constants.

Return Value: This function returns TRUE on success.

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

Program 1:

<?php

// Create a new imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/20190823154611/geeksforgeeks24.png');

// Get the Compression
$compression = $imagick->getCompression();

echo $compression;
?>

Output:

0 (which corresponds with imagick::COMPRESSION_UNDEFINED)

Program 2:

<?php

// Create a new imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/20190823154611/geeksforgeeks24.png');

// Set the Compression
$imagick->setCompression(5);

// Get the Compression
$compression = $imagick->getCompression();

echo $compression;
?>

Output:

5 (which corresponds with imagick::COMPRESSION_JPEG)

Reference: https://www.php.net/manual/en/imagick.setcompression.php