$select1="select cr_members.id as id, cr_members.points as points, cr_members.actif_vote_pts as actif_vote_pts, cr_evaluation.is_eval as is_eval, cr_evaluation.eval_date as eval_date from cr_members, cr_evaluation where cr_members.userid=cr_evaluation.is_eval";

$req1 = mysql_query($select1) or die('Erreur SQL !<br>'.$select1.'<br>'.mysql_error()); 

while($data = mysql_fetch_assoc($req1)) { 
$is_eval             =$data['is_eval'];
$last_vote           =$data['eval_date'];
$point_vote_negatif  =$data['points']-4;
$point_vote_positif  =$data['points']+4;
$actif_vote_pts      =$data['actif_vote_pts'];
$id                  =$data['id'];

echo $is_eval;
}