for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
namespace DaanMooij\AdventOfCode\Year2015\Day2;
class Present
{
/** @var int */
private int $height;
private int $width;
private int $length;
/**
* @param int $height
* @param int $width
* @param int $length
*/
public function __construct(int $height, int $width, int $length)
$this->height = $height;
$this->width = $width;
$this->length = $length;
}
* @param string $dimensions
* @return Present
public static function fromString(string $dimensions): Present
list($height, $width, $length) = explode('x', $dimensions);
return new Present(intval($height), intval($width), intval($length));
/** @return int */
public function getSurfaceArea(): int
$surfaceArea = (2 * $this->length * $this->width)
+ (2 * $this->width * $this->height)
+ (2 * $this->height * $this->length);
return $surfaceArea;
public function getSmallestSideArea(): int
$dimensions = [$this->height, $this->width, $this->length];
sort($dimensions);
$smallestSide = array_shift($dimensions);
$secondSmallestSide = array_shift($dimensions);
return $smallestSide * $secondSmallestSide;
daanmooij /
advent-of-code-php
