class.php

<?php



class Personne{
	public $nom = '';

	public $prenom ='';

	public $adresse = '';

	public $datedenaissance = '';



	public function __construct ( $nom, $prenom, $adresse, $datedenaissance){
		$this->nom = $nom  ;
		$this->prenom = $prenom ;
		$this->adresse = $adresse ;
		$this->datedenaissance =  $datedenaissance ;

	
	}

	public function affichePersonnage(){
		return $this->nom.' '.
		$this->prenom.' '.
		$this->adresse.' '.
		$this->datedenaissance;
	}

	public function nouvelleAdresse(){
		return $this->adresse = 'BLA';
	}


function Age(){
  $this->datedenaissance = explode("/", $this->datedenaissance);

  $age = (date("md", date("U", mktime(0, 0, 0, $this->datedenaissance[0], $this->datedenaissance[1], $this->datedenaissance[2]))) > date("md")
    ? ((date("Y") - $this->datedenaissance[2]) - 1)
    : (date("Y") - $this->datedenaissance[2]));
  echo "Age is:" . $age;

	}

}




?>

index.php

<?php

require 'class.php' ;

$ludovic = new Personne('MOREAU', 'Ludovic', 'Orléans', '1994') ;

echo $ludovic->affichePersonnage();

echo $ludovic->nouvelleAdresse();

echo $ludovic->Age();



?>