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<?php
namespace Mbright\Validation\Rule\Validate;
class StrictEqualToField implements ValidateRuleInterface
{
/** @var string */
protected $otherField;
/**
* @param string $otherField Check against the value of this element in $subject.
*/
public function __construct(string $otherField)
$this->otherField = $otherField;
}
* Validates that this value is strictly equal to some other subject field.
*
* If the other element does not exist in $subject, or is null, the validation will fail.
* @param object $subject The subject to be filtered.
* @param string $field The subject field name.
* @return bool True if the values are equal, false if not equal.
public function __invoke($subject, string $field): bool
// the other field needs to exist and *not* be null
if (! isset($subject->{$this->otherField})) {
return false;
return $subject->$field === $subject->{$this->otherField};
MarcusFulbright /
Validate
