// src/Traits/ScopedValidatorsTrait.php public function requiredIf(string $field, $fieldVal, string $anotherField, $values): ?bool { // 此处验证二维数组字段时，$anotherField可能时‘test.field1’, isset为false if (isset($this->data[$anotherField])) { $anotherVal = $this->data[$anotherField]; // if (in_array($anotherVal, (array)$values, true)) { if (Helper::inArray($anotherVal, (array)$values)) { return $this->required($field, $fieldVal); } } return null; }