PHP code example of mpscholten / typesafe-enum

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

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

    

mpscholten / typesafe-enum example snippets

class UserType extends \TypesafeEnum\Enum
{
    public static function PAID()
    {
        return new UserType('paid');
    }

    public static function FREE()
    {
        return new UserType('free');
    }

    public function isPaid()
    {
        return $this->is('paid');
    }

    public function isFree()
    {
        return $this->is('free');
    }
}

class User
{
    public function __construct($email, UserType $type)
    {
        $this->type = $type;
    }

    public function getType()
    {
        return $this->type;
    }
}

$user = new User('[email protected]', UserType::PAID()); // Good
$user->getType()->isPaid(); // true
$user->getType()->isFree(); // false
(string) $user->getType(); // "paid"

$user = new User('[email protected]', UserType::FREE()); // Good
$user->getType()->isFree(); // true
$user->getType()->isPaid(); // false
(string) $user->getType(); // "free"

$user = new User('[email protected]', 'some string'); // Type error (PHP Catchable fatal error:  Argument 2 passed to User::__construct() must be an instance of UserType, integer given, called in ...)
$user = new User('[email protected]', null); // Type error (PHP Catchable fatal error:  Argument 2 passed to User::__construct() must be an instance of UserType, null given, called in ...)

class Temperature extends Enum
{
    private $celsius;

    protected function __construct($value, $celsius)
    {
        parent::__construct($value);
        $this->celsius = $celsius;
    }

    public static function HOT()
    {
        return new Temperature('hot', 40);
    }

    public static function COLD()
    {
        return new Temperature('cold', 10);
    }

    public function isHot()
    {
        return $this->is('hot');
    }

    public function isCold()
    {
        return $this->is('cold');
    }

    /**
     * @return int
     */
    public function getCelsius()
    {
        return $this->celsius;
    }
}

$temperature = Temperature::HOT();
$temperature->isHot(); // true
$temperature->isCold(); // false
$temperature->getCelsius(); // 40
(string) $temperature; // "hot"

$temperature = Temperature::COLD();
$temperature->isCold(); // true
$temperature->isHot(); // false
$temperature->getCelsius(); // 10
(string) $temperature; // "cold"

/** @Embeddable */
class UserType extends \TypesafeEnum\Enum
{
    /** @Column(type = "smallint", name = "type") */
    protected $value; // Override the `$value` property of \TypesafeEnum\Enum and apply mapping

    public static function PAID()
    {
        return new UserType(0);
    }

    public static function FREE()
    {
        return new UserType(1);
    }

    public function isPaid()
    {
        return $this->is(0);
    }

    public function isFree()
    {
        return $this->is(1);
    }
}

class User
{
    /** @Embedded(class = "UserType", columnPrefix = false) */
    private $type;

    public function __construct($email, UserType $type)
    {
        $this->type = $type;
    }
}