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                $cpt = 431;                $cpt2 = 0;                $boot = 0;                while($cpt !=  '31')                {                        $req = 'select * from `'.$psql.'sonde_data` WHERE id="'.$s_name.'" AND boot="'.$boot.'" order by `cpt` DESC ';                        $reqa = mysql_query($req, $connexion);//      echo '->'.$req.'<-';                        $data_sonde = mysql_fetch_object($reqa);                                                        /*                                 * taille graph = 400                                 * début graphe = 31                                 * fin graphe   = 431                                  */                                //if($data_sonde->valeur != '')                                //{                                        $val = (197-(rand('-10','90')*2));                                        imagesetpixel($im, $cpt, $val, $couleur[1]);                                //}                                $cpt--;                                $cpt2++;                                        }        }