voila j'ai ce code
j'aimerai verifier la variable $query en la concaténant avec les choix fais sur une page précédente puis l'envoyer sur une page ou elle sera utilisée mais au lieu de m'afficher la querie ça m'affiche 0 et le submit ne marche pas<?php
$order = $_post['order by'];
$query1 = 'select
s.study_key "study_key"
,s.study_num "study_num"
,s.protocol_num "protocol_num"
,s.other_num "OtherID"
,st.study_type "study_type"
,\'?\' "ProductLicense"
,decode(s.unblind_ok,1,\'Yes\',\'No\') "EligibleUnblinding"
,decode(s.encoding,1,\'Yes\',\'No\') "StudySpecificAutoEnc"
,s.study_desc "study_desc"
,ac.cond_name "InvestigatorAlert"
,s.blind_name "blind_name"
,d1.name "Drugs"
,d2.name "Indications"
,d3.name "EventTerms"
,decode(s.event_no_manual,1,\'Yes\',\'No\') "PreventManual"
,decode(s.event_closure,1,\'Yes\',\'No\') "RequireEvent"
from lm_studies s
,lm_study_types st
,cfg_adv_cond ac
,cfg_dictionaries d1
,cfg_dictionaries d2
,cfg_dictionaries d3
where s.study_type_id = st.study_type_id
and s.alert_ac_id = ac.ac_id (+)
and s.deleted is null
and st.deleted is null
and ac.deleted is null
and d1.deleted is null
and d2.deleted is null
and d3.deleted is null
and s.drug_dict= d1.dict_id (+)
and d1.usage (+) = 1
and s.event_dict = d2.dict_id (+)
and d2.usage (+) = 3
and s.indications_dict = d3.dict_id (+)
and d3.usage (+) = 2
order by';
$query=$query + $order;
echo '
<html>
<body>';
echo $query;
echo '<p> Use this querie? <form="post" action="essai2.php4">
<input type="" value =$query name ="query">
<input type=submit value="ok" name="querie">
</form>
</body>
</HTML>';