Magento2 : Check it is frontend or backend?

Question

I want to check whether it is front or backend.
How can I do that?

Answer 1

Read More: blog.mageprince.com

With objectManager

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$state =  $objectManager->get('Magento\Framework\App\State');
echo $state->getAreaCode(); //frontend or adminhtml or webapi_rest

With Dependency Injection

protected $_state;

public function __construct (
    \Magento\Framework\App\State $state
) {
    $this->_state = $state;
}

public function getArea()
{
    return $this->_state->getAreaCode();
}

Note: As per magento2 coding standards don't use object manager instance directly in files

Answer 2

People have answered the question already. I am just making it better.

const AREA_CODE = \Magento\Framework\App\Area::AREA_ADMINHTML;

private $_state;

public function __construct (
    \Magento\Framework\App\State $state
) {
    $this->_state = $state;
}

public function isAdmin()
{
    $areaCode = $this->_state->getAreaCode();
    return $areaCode == self::AREA_CODE;
}

Answer 3

Use below code

$objectmanager = \Magento\Framework\App\ObjectManager::getInstance();
$state =  $objectmanager->get('Magento\Framework\App\State');
if($state->getAreaCode() == 'frontend')
  //frontend
else
  //backend

Edit : In some cases ( for example shipping calculation ) area code returns "webapi_rest", not "frontend" on frontend side.

Answer 4

Try code below for check if you are in admin area

function df_is_admin($store = null) {
    /** @var \Magento\Framework\ObjectManagerInterface $om */
    $om = \Magento\Framework\App\ObjectManager::getInstance();
    /** @var \Magento\Framework\App\State $state */
    $state =  $om->get('Magento\Framework\App\State');
    return 'adminhtml' === $state->getAreaCode();
}

Answer 5

 public function isAdmin(){
      return ('adminhtml' == $this->_state->getAreaCode());
 }