Cakephp 2.x validation of french phone number

gistfile1.txt

/**
 * Validation rules
 *
 * @var array
 */
	public $validate = array(
		'phone_number_1' => array(
			'notEmpty' => array(
				'rule' => array('notEmpty'),
				'message' => 'Obligatoire',
				//'allowEmpty' => false,
				//'required' => false,
				//'last' => false, // Stop validation after this rule
				//'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
			'telephone_fr' => array(
				'rule' => '/^0[1-9][0-9]{8}$/',
				'message' => 'Numéro de téléphone invalide',
				//'allowEmpty' => false,
				//'required' => false,
				//'last' => false, // Stop validation after this rule
				//'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
		),
	);