The Imagick::getImageCompression() function is an inbuilt function in PHP which is used to get the current image’s compression type.
Syntax:
int Imagick::getImageCompression( void )
Parameters: This function doesn’t accepts any parameter.
Return Value: This function returns an integer value which corresponds to one of compression constant.
List of Compression constants are given below:
- imagick::COMPRESSION_UNDEFINED (0)
- imagick::COMPRESSION_NO (1)
- imagick::COMPRESSION_BZIP (2)
- imagick::COMPRESSION_FAX (6)
- imagick::COMPRESSION_GROUP4 (7)
- imagick::COMPRESSION_JPEG (8)
- imagick::COMPRESSION_JPEG2000 (9)
- imagick::COMPRESSION_LOSSLESSJPEG (10)
- imagick::COMPRESSION_LZW (11)
- imagick::COMPRESSION_RLE (12)
- imagick::COMPRESSION_ZIP (13)
- imagick::COMPRESSION_DXT1 (3)
- imagick::COMPRESSION_DXT3 (4)
- imagick::COMPRESSION_DXT5 (5)
Below programs illustrate the Imagick::getImageCompression() function in PHP:
Program 1:
<?php // Create new Imagick Object $imagick = new Imagick( // Get the Compression $compression = $imagick->getImageCompression(); echo $compression; ?> |
Output:
13
Program 2:
<?php // Create new Imagick Object $imagick = new Imagick( // Set the Compression to COMPRESSION_DXT1 $imagick->setImageCompression(imagick::COMPRESSION_DXT1); // Get the Compression $compression = $imagick->getImageCompression(); echo $compression; ?> |
Output:
3
Reference: https://www.php.net/manual/en/imagick.getimagecompression.php
