php - How to access a variable defined out side into inside a class function -


my code 

$var = md5(rand(1,6)); class session{   protected $git;   public function __construct($config = array())   {      //// code    }   public function _start_session()   {       //code again..   } }

i want use "$var" value inside class functions globally.

please update me how this.

you use dependency injection. pass required variables constructor 

$var = md5(rand(1,6));  $session = new session($var); $session->_start_session();  class session{     public function __construct($var, $config = array())    {        $this->var = $var;    }    public function _start_session()    {        echo $this->var;       //code again..    } }

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