public $vitesse = 0; function __construct() { $this->vitesse = 0; } function crier() { return 'Klaxon ' . $this->marque . '/' . $this->plaque . '<br>'; } function rouler() { $this->vitesse++; return $this->plaque . ' roule a ' . $this->vitesse . ' km/h<br>'; } } $jc = new animal('JC', 'Rat'); echo $jc->crier(); $eric = new animal('Eric', 'Rat'); echo $eric->GetEspece(); $eric->chang_espece('Chien'); echo $eric->GetEspece(); echo $eric->crier(); $clio = new vehicule(); $clio->plaque = 'JG-956-KI'; $clio->marque = 'Renault'; echo $clio->crier(); echo $clio->rouler(); echo $clio->rouler(); echo $clio->rouler(); echo $clio->rouler(); echo $clio->rouler();