Magento 2: Emulate Area Code #magento2 #areacode #state #frontend #adminhtml

emulateAreaCode.php

# File: vendor/magento/framework/App/State.php
public function emulateAreaCode($areaCode, $callback, $params = [])
{
    $currentArea = $this->_areaCode;
    $this->_areaCode = $areaCode;
    $this->_isAreaCodeEmulated = true;
    try {
        $result = call_user_func_array($callback, $params);
    } catch (Exception $e) {
        $this->_areaCode = $currentArea;
        $this->_isAreaCodeEmulated = false;
        throw $e;
    }
    $this->_areaCode = $currentArea;
    $this->_isAreaCodeEmulated = false;
    return $result;
}

# Usage
$app_state->emulateAreaCode('adminhtml', function($param1, $param2){
    //code that does something `adminhtml` specific here
}, [$param1, $param2]);

# Sample:
# File: vendor/magento/module-customer-sample-data/Model/Customer.php
$this->appState->emulateAreaCode(
    'frontend',
    [$this->accountManagement, 'createAccount'],
    [$customer, $row['password']]
);