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<?php
namespace Equip\ValueObject;
use InvalidArgumentException;
class Identifier
{
/**
* @var int|null
*/
private $id;
public function __construct($id, $is_required = true)
static $empty_values = [
null,
'0',
'',
0,
];
if (in_array($id, $empty_values, true) && !$is_required) {
$id = null;
} else {
$options = [
'flags' => \FILTER_REQUIRE_SCALAR,
'options' => [
'min_range' => 1,
],
if (filter_var($id, \FILTER_VALIDATE_INT, $options) === false) {
throw new InvalidArgumentException('Value must be a valid identifier');
}
$id = (int) $id;
$this->id = $id;
public function value()
return $this->id;
equip /
vo
