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Magento 2 class constructor

Dynamically instanciate class with argumentswhen to use di.xml for my custom module class?Where are class constructor parameters defined in Magento2?Constructor integrity testsAnnoyed by tons of classes for DI in constructors of Magento 2 - is there a better way?Why some classes define injections in both their constructor and di.xml?Dependency Injection and constructor parametersMagento2: Checking if a module exists, after being injected via class constructorMagento 2: Use a model with a dynamic name through DIMagento 2 create objectGet system config values in magento 2 without constructor

1

I have class in my module for Magento 2.
His constructor gets 2 parameters

class MyClass

{

    private $str1;

    private $str2;



    public function __construct(string $str1, string str2)

    {

        $this->str1 = $str1;

        $this->str2 = $str2;

    }

}

This parameters saved in database in core_config_data table.
I want use this class in other module classes, but i dont know how i can use DI for object transfer of this class in constructors others classes.
I can use for this di.xml?

magento2 database di core-config-data

share|improve this question

edited 53 mins ago

Muhammad Hasham

2,0141424

asked Apr 3 '18 at 10:31

Akolzin DmitryAkolzin Dmitry

63

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hard to understand the question, can you give more specific example?
  
  – Eugene Tulika
  Apr 3 '18 at 12:39
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  class ObserverClass extends Observer { public function __construct (MyClass $ myclass) {} }
  
  – Akolzin Dmitry
  Apr 3 '18 at 13:57
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  For example exist observer class and I want use my class in observer, like this. But dependency injection will not create this object, as dont know what parameters must get my class
  
  – Akolzin Dmitry
  Apr 3 '18 at 14:01
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I can create object through $myclass = new MyClass($str1, $str2); but this a bad practice in Magento
  
  – Akolzin Dmitry
  Apr 3 '18 at 14:04
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please visit: magento.stackexchange.com/questions/147366/… this may help you
  
  – iqbal malik
  32 mins ago
  

  
  
  
  

add a comment | 

1

I have class in my module for Magento 2.
His constructor gets 2 parameters

class MyClass

{

    private $str1;

    private $str2;



    public function __construct(string $str1, string str2)

    {

        $this->str1 = $str1;

        $this->str2 = $str2;

    }

}

This parameters saved in database in core_config_data table.
I want use this class in other module classes, but i dont know how i can use DI for object transfer of this class in constructors others classes.
I can use for this di.xml?

magento2 database di core-config-data

share|improve this question

edited 53 mins ago

Muhammad Hasham

2,0141424

asked Apr 3 '18 at 10:31

Akolzin DmitryAkolzin Dmitry

63

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hard to understand the question, can you give more specific example?
  
  – Eugene Tulika
  Apr 3 '18 at 12:39
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  class ObserverClass extends Observer { public function __construct (MyClass $ myclass) {} }
  
  – Akolzin Dmitry
  Apr 3 '18 at 13:57
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  For example exist observer class and I want use my class in observer, like this. But dependency injection will not create this object, as dont know what parameters must get my class
  
  – Akolzin Dmitry
  Apr 3 '18 at 14:01
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I can create object through $myclass = new MyClass($str1, $str2); but this a bad practice in Magento
  
  – Akolzin Dmitry
  Apr 3 '18 at 14:04
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please visit: magento.stackexchange.com/questions/147366/… this may help you
  
  – iqbal malik
  32 mins ago
  

  
  
  
  

add a comment | 

I have class in my module for Magento 2.
His constructor gets 2 parameters

class MyClass

{

    private $str1;

    private $str2;



    public function __construct(string $str1, string str2)

    {

        $this->str1 = $str1;

        $this->str2 = $str2;

    }

}

This parameters saved in database in core_config_data table.
I want use this class in other module classes, but i dont know how i can use DI for object transfer of this class in constructors others classes.
I can use for this di.xml?

magento2 database di core-config-data

share|improve this question

edited 53 mins ago

Muhammad Hasham

2,0141424

asked Apr 3 '18 at 10:31

Akolzin DmitryAkolzin Dmitry

63

class MyClass

{

    private $str1;

    private $str2;



    public function __construct(string $str1, string str2)

    {

        $this->str1 = $str1;

        $this->str2 = $str2;

    }

}

share|improve this question

edited 53 mins ago

Muhammad Hasham

2,0141424

asked Apr 3 '18 at 10:31

Akolzin DmitryAkolzin Dmitry

63

share|improve this question

edited 53 mins ago

Muhammad Hasham

2,0141424

asked Apr 3 '18 at 10:31

Akolzin DmitryAkolzin Dmitry

63

edited 53 mins ago

Muhammad Hasham

2,0141424

edited 53 mins ago

Muhammad Hasham

2,0141424

asked Apr 3 '18 at 10:31

Akolzin DmitryAkolzin Dmitry

63

asked Apr 3 '18 at 10:31

Akolzin DmitryAkolzin Dmitry

63