PHP code example of thisbar / valueobjects

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

thisbar / valueobjects example snippets

final class UserEmail implements ValueObject {
...

final class UserEmail implements ValueObject {

    use StringTrait;
...

...
    public function __construct(string $string)
    {
        Assert::that($string)->email();
        $this->string = $string;
    }
...

final class Fastening implements ValueObject
{
    use EnumTrait;
    
    public const BUTTON = 0;
    public const CLIP = 1;
    public const PIN = 2;
    public const ZIP = 3;
}

$fastening = Fastening::fromNative('BUTTON');
$fastening->toNative(); // Equals to string: 'BUTTON'

$fastening = Fastening::ZIP();
$fastening->toNative(); // Equals 'ZIP'

/**
 * @method static Fastening BUTTON()
 * @method static Fastening CLIP()
 * @method static Fastening PIN()
 * @method static Fastening ZIP()
 */
final class Fastening implements ValueObject

final class Location implements ValueObject
{
    use CompositeTrait;
    
    private $latitude;
    private $longitude;
    
    public function __construct(Latitude $latitude, Longitude $longitude)
    {
        $this->latitude = $latitude;
        $this->longitude = $longitude;
    }
    
    public function getLatitude(): Latitude
    {
        return $this->latitude;
    }
    
    public function getLongitude(): Longitude
    {
        return $this->longitude;
    }
...

...
    public static function fromNative($native)
    {
        return new static(
            Latitude::fromNative($native['latitude']),
            Longitude::fromNative($native['longitude'])
        );
    }
...

interface PhoneNumber extends ValueObject
{
}

final class NonNullPhoneNumber implements PhoneNumber
{
    use StringTrait;
}

final class NullPhoneNumber implements PhoneNumber
{
    use NullTrait;
}

final class NullablePhoneNumber extends Nullable implements PhoneNumber
{
    protected static function nonNullImplementation(): string
    {
        return NonNullPhoneNumber::class;
    }
    
    protected static function nullImplementation(): string
    {
        return NullPhoneNumber::class;
    }
}

$phoneNumber = NullablePhoneNumber::fromNative(null);

$phoneNumber = NullablePhoneNumber::fromNative('+44 73715525763');

interface Set extends ValueObject, \IteratorAggregate, \ArrayAccess, \Countable
{
    public function add($set);
    public function remove($set);
    public function contains(ValueObject $value): bool;
    public function toArray(): array;
}

final class SetOfLocations extends NonNullSet implements Set
{
    protected function typeToEnforce(): string
    {
        return Location::class;
    }

    public static function valuesShouldBeUnique(): bool
    {
        return true;
    }
}

// Iteration
$set = new SetOfLocations([$one, $two]);
foreach($set as $value) {
    // TODO: Do something with each value object
}

// Access
$one = $set[0];
$two = $set[1];

//Counting
$count = count($set); // Returns 2

$set = new SetOfLocations([$one, $two]);
$anotherSet = new SetOfLocations([$three]);
$mergedSet = $set->add($anotherSet);
count($mergedSet) // Equals: 3

$set = new SetOfLocations([$one, $two, $three]);
$anotherSet = new SetOfLocations([$one]);
$remove = $set->remove($anotherSet);
count($remove) // Equals: 2

$set = new SetOfLocations([$one, $two, $three]);
$one = new Location(0);
$check = $set->contains($one);