<?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');
$foo->setDog('dog');
var_dump($foo);
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- array(2) {
["fooBoo"]=>
NULL
["bar"]=>
string(3) "bar"
}
object(MyValueObject)#2 (1) {
["bar":protected]=>
string(3) "bar"
}
- 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/t4trd 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/t4trd on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/t4trd on line 3
Process exited with code 255.
preferences:
310.76 ms | 401 KiB | 452 Q