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<?php |
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namespace Kmeans; |
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use Kmeans\Concerns\HasSpaceTrait; |
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use Kmeans\Interfaces\PointInterface; |
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use Kmeans\Interfaces\SpaceInterface; |
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class Point implements PointInterface |
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{ |
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use HasSpaceTrait; |
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/** |
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* @var array<float> |
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*/ |
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private array $coordinates; |
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/** |
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* @var mixed |
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*/ |
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private $data; |
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/** |
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* @param array<int, float> $coordinates |
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*/ |
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public function __construct(SpaceInterface $space, array $coordinates) |
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{ |
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$this->setSpace($space); |
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$this->coordinates = $this->sanitizeCoordinates($coordinates); |
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} |
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public function getCoordinates(): array |
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{ |
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return $this->coordinates; |
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} |
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public function getData() |
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{ |
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return $this->data; |
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} |
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public function setData($data): void |
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{ |
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$this->data = $data; |
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} |
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/** |
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* @param array<float> $coordinates |
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* @return array<float> |
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*/ |
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private function sanitizeCoordinates(array $coordinates): array |
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{ |
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if (count($coordinates) != $this->space->getDimensions()) { |
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throw new \InvalidArgumentException(sprintf( |
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"Invalid set of coordinates: %d coordinates expected, %d given", |
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$this->space->getDimensions(), |
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count($coordinates) |
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)); |
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} |
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$coordinates = filter_var_array($coordinates, FILTER_VALIDATE_FLOAT); |
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assert(is_array($coordinates)); |
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$errors = array_keys($coordinates, false, true); |
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if ($errors) { |
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throw new \InvalidArgumentException(sprintf( |
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"Invalid set of coordinates: values at offsets [%s] could not be converted to numbers", |
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implode(',', $errors) |
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)); |
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} |
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return $coordinates; |
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} |
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} |
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bdelespierre /
php-kmeans
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.