PHP | Imagick getSamplingFactors() Function
Last Updated :
28 Nov, 2019
The Imagick::getSamplingFactors() function is an inbuilt function in PHP which is used to get the horizontal and vertical sampling factor.
Syntax:
array Imagick::getSamplingFactors( void )
Parameters: This function doesn’t accepts any parameter.
Return Value: This function returns an associative array with the horizontal and vertical sampling factors of the image.
Exceptions: This function throws ImagickException on error.
Below given programs illustrate the Imagick::getSamplingFactors() function in PHP:
Program 1:
<?php
$imagick = new Imagick(
$imagick ->setSamplingFactors( array ( '2' , '4' , '5' ));
$samplingFactors = $imagick ->getSamplingFactors();
print ( "<pre>" .print_r( $samplingFactors , true). "</pre>" );
?>
|
Output:
Array
(
[0] => 2
[1] => 4
[2] => 5
)
Program 2:
<?php
$imagick = new Imagick(
$samplingFactors = $imagick ->getSamplingFactors();
print ( "<pre>" .print_r( $samplingFactors , true). "</pre>" );
?>
|
Output:
Array // Empty array value because sampling factors aren't set
(
)
Reference: https://www.php.net/manual/en/imagick.getsamplingfactors.php
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