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I need to pull product data out of Magento 2 via an external PHP command line script.

I am using the example here: How can I bootstrap Magento 2 in a test.php script?

In the run method, I extract my product collection and parse my product data into a new array without any problem.

public function run()

{

   // create collection



   // parse collection



   // build $_products data array



    return ['data' => $_products];



}

If I dump or echo $_products out in run() I can see the product data ok, I need to return the product data to the calling function but cannot see how to retrieve the data. I am initiating my app with

$app = $bootstrap->createApplication('Getapp');

$bootstrap->run($app);

How can I access the data returned from Getapp and how can I pass variables into Getapp?

To return data from run() using the command line external php script example here How can I bootstrap Magento 2 in a test.php script?

use $app->launch() instead of $bootstrap->run($app) set the response variable and return it

public function launch()

{

    $this->_response=$this->run();

    return($this->_response);

}

Access the data with

$mydata=$app->launch();

You can also save the data in a class variable in run()

 $this->_mydata=$data

And access it via $app

$mydata=$app->_mydata

To make variables available to run() add the variables in an array to the bootstrap construct

    $app = $this->__bootstrap->createApplication(

        'Magento',

        array(

            'variables' => array(

                'product_id' => '65')

            )

    );

Add this to the "AbstractApp"

abstract class AbstractApp implements AppInterface

{

    public function __construct(

        MagentoFrameworkObjectManagerInterface $objectManager,

        EventManager $eventManager,

        AreaList $areaList,

        RequestHttp $request,

        ResponseHttp $response,

        ConfigLoaderInterface $configLoader,

        State $state,

        Filesystem $filesystem,

        MagentoFrameworkRegistry $registry,

        array $variables = 

    ) {



        $this->_objectManager = $objectManager;

        $this->_eventManager = $eventManager;

        $this->_areaList = $areaList;

        $this->_request = $request;

        $this->_variables=$variables;

        $this->_response = $response;

        $this->_configLoader = $configLoader;

        $this->_state = $state;

        $this->_filesystem = $filesystem;

        $this->registry = $registry;

    }

Access the variable array in run()

$product_id=$this->_variables['product_id'];