Code à vérifier - Marche-t-il ? MERCI.

Trois conditions dans un IF est ce génant ? ...

blablabla && bliblibli && blublublu

Thks a vous.
Code:
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while($recup_res_sp=mysql_fetch_array($req_reserv_nok)) 
{
             echo'<font face="arial" size="1">'.$recup_res_sp['spare_reserv'].'['.$recup_res_sp['login'].']'.$recup_res_sp['id_reserv'].'</font>&nbsp';
			 if(($_SESSION['USER_NOM'] == $recup_res_sp['login']) && ($_SESSION['USER_GROUP'] == '1'))
			 {
			  	 if( (($recup_res_sp['spare_reserv'])==($recup_res_sp['nomspare'])) AND (($recup_res_sp['enable_reserv'])=='1') AND ($recup_res_sp['nom_tech_bur_recup']=='') )
				 {
			     echo'<IMG src="image/validation.png" border=0 alt="Il faut que le Spare concerné soit retourné, validé pour validation de réservation.">';  
				 }
				 elseif((($recup_res_sp['spare_reserv'])==($recup_res_sp['nomspare'])) AND (($recup_res_sp['enable_reserv'])=='1') AND ($recup_res_sp['nom_tech_bur_recup']!=''))
				 {
				 echo'<a href="?numlien=form_pre_valid&id='.$id_recup.'" alt="Valider la réservation ?"><IMG src="image/validation.png" border=0></a>';
				 }
 
				 echo'&nbsp<a href="?numlien=annul_reserv&sp='.$recup_res_sp['spare_reserv'].'&user='.$recup_res_sp['login'].'"><IMG src="image/annul.png" border=0></a>';
 
			 }
 
			 elseif(($_SESSION['USER_NOM'] == $recup_res_sp['login']) && ($_SESSION['USER_GROUP'] == '2'))
			 {      
				 if( (($recup_res_sp['spare_reserv'])==($recup_res_sp['nomspare'])) AND ($recup_res_sp['enable_reserv']=='1') AND ($recup_res_sp['nom_tech_bur_recup']=='') )
				 {
				 echo'<IMG src="image/validation.png" border=0 alt="Il faut que le Spare concerné soit retourné, validé pour validation de réservation.">';
				 }
				 elseif((($recup_res_sp['spare_reserv'])==($recup_res_sp['nomspare'])) AND (($recup_res_sp['enable_reserv'])=='1') AND ($recup_res_sp['nom_tech_bur_recup']!=''))
				 {
			     echo'<a href="?numlien=form_send_hdi&id='.$id_recup.'" alt="Valider la réservation ?"><IMG src="image/validation.png" border=0 alt="Valider la réservation ?"></a>'; 
			     }
 
                 echo'&nbsp<a href="?numlien=annul_reserv&sp='.$recup_res_sp['spare_reserv'].'&user='.$recup_res_sp['login'].'"><IMG src="image/annul.png" border=0></a>';
}