Imagick-CropThumbnailImage-Replacement.php

<?php

class ImageEditor {
	
	static public function
	MakeImageSquare(Imagick $Image, int $Square):
	Imagick {

		// $Image->CropThumbnailImage($Square,$Square);
		// this method has a terrible habit of breaking every 3rd release.
		// i am unsure if it is the php extension or imagemagick itself so
		// whatevs. these other ones have yet to let me down.

		$IW = $Image->GetImageWidth();
		$IH = $Image->GetImageHeight();

		// determine which axis to ratio against and scale to the required size.

		if($IH > $IW)
		$Image->ScaleImage(
			$Square,
			(ceil(($Square*$IH)/$IW)),
			true
		);
		
		else
		$Image->ScaleImage(
			(ceil(($Square*$IW)/$IH)),
			$Square,
			true
		);

		// then crop off the rest to make the square.

		$Image->CropImage(
			$Square,
			$Square,
			(($IW/2)-($Square/2)),
			(($IH/2)-($Square/2))
		);

		return $Image;
	}

}