WsdlToPhp\PackageGenerator\Model\Struct::putRequiredFirst PHP Метод

    protected function putRequiredFirst(StructAttributeContainer $allAttributes)
    {
        $attributes = new StructAttributeContainer($this->getGenerator());
        $requiredAttributes = new StructAttributeContainer($this->getGenerator());
        $notRequiredAttributes = new StructAttributeContainer($this->getGenerator());
        foreach ($allAttributes as $attribute) {
            if ($attribute->isRequired()) {
                $requiredAttributes->add($attribute);
            } else {
                $notRequiredAttributes->add($attribute);
            }
        }
        foreach ($requiredAttributes as $attribute) {
            $attributes->add($attribute);
        }
        foreach ($notRequiredAttributes as $attribute) {
            $attributes->add($attribute);
        }
        unset($requiredAttributes, $notRequiredAttributes);
        return $attributes;
    }