OOP Interfacing how do you force developers to define dependencies/arguments if its bad to put the constructor function in the interface?

I just started reading more about OOP and its design patterns and is confused with this conceptual question. I am too new that I am having second thought that the proper title should be, when is it okay to have the constructor function in the interface?

If interface defines the blueprint/API of your object, how do you enforce or hint the developers that the objects implementing the interface requires specific dependencies/arguments to construct the object.

Because upon researching it seems like adding the constructor function in the interface is a bad practice[1][2]?

If so, it seems like the viable solution is to have the constructor function defined in an abstract class, and make that abstract class implement the interface?

interface PostValidityInterface {      public function describe_validity();  }  abstract class PostValidityAbstract implements PostValidityInterface {      private $  post_id;     private $  validity_interval;     private $  parser;      public function __construct( Int $  post_id, \DateInterval $  validity_interval  ) {         $  this->post_id = $  post_id;         $  this->validity_interval = $  validity_interval;     }      public function describe_validity() {         $  now = new DateTime( 'now' );         $  validity = $  now->add( $  this->validity_interval )->format('F j Y');         return 'Post ID: ' . $  this->post_id . ' is valid until ' . $  validity . '.';     }  }  class PostValidity extends PostValidityAbstract { }  $  post_validity = new PostValidity(1, new \DateInterval('P1D')); echo $  post_validity->describe_validity();  // outputs: Post ID: 1 is valid until January 1 2019. 

but it feels YAGNI to me as you have 2 things to define just to describe a Class. So I wonder if this the true correct approach? or the use of interface nor abstract is to solve a far deeper problem?

I deeply appreciate all tips or advice.

Regards,