douliang9057 2018-10-11 18:33
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Mysql PDO INSERT - 存在记录时重定向[重复]

This question already has an answer here:

This is not a duplicate content, I wouldlike to make PDO Mysql Insertion and avoid any duplicate value ont the "IntervalAPriceList" field. Any associated article is not my desired solution.

I have this Insertion script that work fine but the problem is, the script can duplicate record. The field "IntervalAPriceList" must have a unique value on the table.

My question is: How to redirect user on another page that say "this record "IntervalAPriceList" has already exist" ?

- If "IntervalAPriceList" already exist = redirect to: already_exist.php

- If "IntervalAPriceList" not exist = Make Insertion and redirect to: insertion_success.php

$ps = $pdo->prepare("INSERT INTO pricelist (
IntervalAPriceList, 
IntervalBPriceList, 
EnvoiVersAbonneePriceList, 
EnvoiVersAutrePriceList, 
RetraitAboneePriceList) VALUES (?,?,?,?,?)");

$params = array(
$IntervalAPriceList, 
$IntervalBPriceList, 
$EnvoiVersAbonneePriceList, 
$EnvoiVersAutrePriceList, 
$RetraitAboneePriceList);

$ps->execute($params);

header("location:../app/admin_grille_tarifaire.php"); 
</div>
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