nicolopignatelli / valueobjects

src/Number/Real.php

<?php

namespace ValueObjects\Number;

use ValueObjects\Exception\InvalidNativeArgumentException;
use ValueObjects\Util\Util;
use ValueObjects\ValueObjectInterface;

class Real implements ValueObjectInterface, NumberInterface
{
    protected $value;

    /**
     * Returns a Real object given a PHP native float as parameter.
     *
     * @param  float  $value

There is no parameter named $value. Was it maybe removed?

     * @return static
     */
    public static function fromNative()
    {
        $value = func_get_arg(0);

        return new static($value);
    }

    /**
     * Returns a Real object given a PHP native float as parameter.
     *
     * @param float $value
     */
    public function __construct($value)
    {
        $filteredValue = \filter_var($value, FILTER_VALIDATE_FLOAT);

        if (false === $filteredValue) {
            throw new InvalidNativeArgumentException($value, array('float'));
        }

        $this->value = $filteredValue;
    }

    /**
     * Returns the native value of the real number
     *
     * @return float
     */
    public function toNative()
    {
        return $this->value;
    }

    /**
     * Tells whether two Real are equal by comparing their values
     *
     * @param  ValueObjectInterface $real
     * @return bool
     */
    public function sameValueAs(ValueObjectInterface $real)
    {
        if (false === Util::classEquals($this, $real)) {
            return false;
        }

        return $this->toNative() === $real->toNative();

It seems like you code against a concrete implementation and not the interface ValueObjects\ValueObjectInterface as the method toNative() does only exist in the following implementations of said interface: ValueObjects\Boolean\BoolLiteral, ValueObjects\Boolean\BooleanString, ValueObjects\Climate\Celsius, ValueObjects\Climate\Fahrenheit, ValueObjects\Climate\Kelvin, ValueObjects\Climate\RelativeHumidity, ValueObjects\Climate\Temperature, ValueObjects\DateTime\Hour, ValueObjects\DateTime\Minute, ValueObjects\DateTime\Month, ValueObjects\DateTime\MonthDay, ValueObjects\DateTime\Second, ValueObjects\DateTime\WeekDay, ValueObjects\DateTime\Year, ValueObjects\Enum\Enum, ValueObjects\Geography\Continent, ValueObjects\Geography\CountryCode, ValueObjects\Geography\DistanceFormula, ValueObjects\Geography\DistanceUnit, ValueObjects\Geography\Ellipsoid, ValueObjects\Geography\Latitude, ValueObjects\Geography\Longitude, ValueObjects\Identity\Imei, ValueObjects\Identity\MacAddress, ValueObjects\Identity\UUID, ValueObjects\Money\CurrencyCode, ValueObjects\Number\Complex, ValueObjects\Number\Integer, ValueObjects\Number\Natural, ValueObjects\Number\Real, ValueObjects\Number\RoundingMode, ValueObjects\Person\Age, ValueObjects\Person\Gender, ValueObjects\StringLiteral\StringLiteral, ValueObjects\Web\Domain, ValueObjects\Web\EmailAddress, ValueObjects\Web\FragmentIdentifier, ValueObjects\Web\Hostname, ValueObjects\Web\IPAddress, ValueObjects\Web\IPAddressVersion, ValueObjects\Web\IPv4Address, ValueObjects\Web\IPv6Address, ValueObjects\Web\NullFragmentIdentifier, ValueObjects\Web\NullQueryString, ValueObjects\Web\Path, ValueObjects\Web\PortNumber, ValueObjects\Web\QueryString, ValueObjects\Web\SchemeName.

    }

    /**
     * Returns the integer part of the Real number as a Integer
     *
     * @param  RoundingMode $rounding_mode Rounding mode of the conversion. Defaults to RoundingMode::HALF_UP.
     * @return Integer
     */
    public function toInteger(RoundingMode $rounding_mode = null)
    {
        if (null === $rounding_mode) {
            $rounding_mode = RoundingMode::HALF_UP();
        }

        $value        = $this->toNative();
        $integerValue = \round($value, 0, $rounding_mode->toNative());
        $integer      = new Integer($integerValue);

        return $integer;
    }

    /**
     * Returns the absolute integer part of the Real number as a Natural
     *
     * @param  RoundingMode $rounding_mode Rounding mode of the conversion. Defaults to RoundingMode::HALF_UP.
     * @return Natural
     */
    public function toNatural(RoundingMode $rounding_mode = null)
    {
        $integerValue = $this->toInteger($rounding_mode)->toNative();
        $naturalValue = \abs($integerValue);
        $natural      = new Natural($naturalValue);

        return $natural;
    }

    /**
     * Returns the string representation of the real value
     *
     * @return string
     */
    public function __toString()
    {
        return \strval($this->toNative());
    }
}