Online PHP editor | output for B2Z0P

@ 2014-10-24T21:14:53Z

<?php

trait ImmutableFromParams
{
    private $mutable = true;

    private function __construct(array $params)
    {
        foreach ($params as $key => $value)
        {
            $this->{'set' . str_replace(' ', '', ucwords(str_replace('_', ' ', $key)))}($value);
        }
		
		unset($this->mutable);
    }

    public static function fromParams(array $params)
    {
        return new static($params);
    }

    public function __call($method, $args)
    {
        if (isset($this->mutable) && substr($method, 0, 3) == 'set' && property_exists($this, lcfirst(substr($method, 3))))        
		{
            $this->{lcfirst(substr($method, 3))} = reset($args);
        }
    }
}

interface DataTransferObjectInterface
{
	public static function fromParams(array $params);

    public function asArray();
}

abstract class AbstractDataTransferObject implements DataTransferObjectInterface
{
	use ImmutableFromParams;

    public function asArray()
    {
        return get_object_vars($this);
    }
}

final class MyDataTransferObject extends AbstractDataTransferObject 
{
    protected $fooBoo;
    protected $bar;

    protected function setBar($value)
	{
         $this->bar = $value;
	}
}

$foo = MyDataTransferObject::fromParams(array('foo' => 'foo', 'bar' => 'bar', 'meh' => 'meh'));

$foo->setFoo('newfoo');
$foo->setDog('dog');

var_dump($foo->asArray());

interface ValueObjectInterface
{
	public static function fromParams(array $params);

    public function __toString();
}

abstract class AbstractValueObject implements ValueObjectInterface
{
	use ImmutableFromParams;

    abstract public function __toString();
}

final class MyValueObject extends AbstractValueObject 
{
    protected $bar;

    protected function setBar($value)
	{
         $this->bar = $value;
	}

    public function __toString()
    {
        echo $bar;
    }
}

$foo = MyValueObject::fromParams(array('foo' => 'foo', 'bar' => 'bar', 'meh' => 'meh'));

$foo->setFoo('newfoo');
$foo->setDog('dog');

echo $foo;

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: array(2) { ["fooBoo"]=> NULL ["bar"]=> string(3) "bar" } Warning: Undefined variable $bar in /in/B2Z0P on line 91 Fatal error: Uncaught TypeError: MyValueObject::__toString(): Return value must be of type string, none returned in /in/B2Z0P:92 Stack trace: #0 /in/B2Z0P(100): MyValueObject->__toString() #1 {main} thrown in /in/B2Z0P on line 92
Process exited with code 255.
Output for 7.4.0 - 7.4.33: array(2) { ["fooBoo"]=> NULL ["bar"]=> string(3) "bar" } Notice: Undefined variable: bar in /in/B2Z0P on line 91 Fatal error: Uncaught Error: Method MyValueObject::__toString() must return a string value in /in/B2Z0P:100 Stack trace: #0 {main} thrown in /in/B2Z0P on line 100
Process exited with code 255.
Output for 7.3.32 - 7.3.33: array(2) { ["fooBoo"]=> NULL ["bar"]=> string(3) "bar" } Recoverable fatal error: Method MyValueObject::__toString() must return a string value in /in/B2Z0P on line 100
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31: array(2) { ["fooBoo"]=> NULL ["bar"]=> string(3) "bar" } Notice: Undefined variable: bar in /in/B2Z0P on line 91 Recoverable fatal error: Method MyValueObject::__toString() must return a string value in /in/B2Z0P on line 100
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33: array(2) { ["fooBoo"]=> NULL ["bar"]=> string(3) "bar" } Notice: Undefined variable: bar in /in/B2Z0P on line 91 Catchable fatal error: Method MyValueObject::__toString() must return a string value in /in/B2Z0P on line 100
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected T_STRING in /in/B2Z0P on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_STRING in /in/B2Z0P on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/B2Z0P on line 3
Process exited with code 255.

preferences:dark modelive preview