What is a__constructor

Srry about this small doubt, im starting on CakePHP, but i already know the language, i saw the api, but i dont found a good explanation about what is a constructor and how it works, somebody could explain to me... and giving a example too please? Like this or another one idk :

function __construct($id = false, $table = null, $ds = null)

  {

    $this->primaryKey = 'COD_USUR';

    $this->useTable = 'USUR';

    parent::__construct($id, $table, $ds);

  }

If somebody five me a good link with a tutorial i cant learn by myself too lol.

Tks.
--

Joao Moura

Web Developer
+55 11 62114486

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