<?php
interface DataTransferObject
{
public static function fromParams(array $params);
public function asArray();
}
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 asArray()
{
return get_object_vars($this);
}
public function __call($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);
}
}
}
abstract class Command
{
use ImmutableFromParams;
}
final class MyCommand extends Command implements DataTransferObject
{
private $foo;
private $bar;
private function setBar($value)
{
$this->bar = $value;
}
}
$foo = MyCommand::fromParams(array('foo' => 'foo', 'bar' => 'bar', 'meh' => 'meh'));
$foo->setFoo('newfoo');
$foo->setDog('dog');
var_dump($foo);
- Output for 7.0.0 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Fatal error: Uncaught Error: Cannot access private property MyCommand::$foo in /in/VbIhT:38
Stack trace:
#0 /in/VbIhT(19): Command->__call('setFoo', Array)
#1 /in/VbIhT(27): Command->__construct(Array)
#2 /in/VbIhT(60): Command::fromParams(Array)
#3 {main}
thrown in /in/VbIhT on line 38
Process exited with code 255. - Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
- Fatal error: Cannot access private property MyCommand::$foo in /in/VbIhT on line 38
Process exited with code 255. - Output for 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/VbIhT on line 10
Process exited with code 255. - Output for 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/VbIhT on line 5
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_STRING in /in/VbIhT 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
- Parse error: parse error, unexpected T_STRING in /in/VbIhT on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/VbIhT on line 3
Process exited with code 255.
preferences:
265.43 ms | 401 KiB | 358 Q