(PECL imagick 2, PECL imagick 3)
Imagick::getSamplingFactors — Gets the horizontal and vertical sampling factor
public Imagick::getSamplingFactors(): array
Gets the horizontal and vertical sampling factor.
This function has no parameters.
Returns an associative array with the horizontal and vertical sampling factors of the image.
Throws ImagickException on error.
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https://www.php.net/manual/en/imagick.getsamplingfactors.php