(PECL imagick 2, PECL imagick 3)
Imagick::getImageInterpolateMethod — Returns the interpolation method
public Imagick::getImageInterpolateMethod ( ) : int
Returns the interpolation method for the specified image. The method is one of the Imagick::INTERPOLATE_* constants.
Returns the interpolate method on success.
Throws ImagickException on error.
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https://www.php.net/manual/en/imagick.getimageinterpolatemethod.php