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Editorial Team
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Asked: 2026-06-01T22:04:23+00:00

Can someone tell me, when you for example update, insert, delete.. should you then

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Can someone tell me, when you for example update, insert, delete.. should you then close it like mysqli_stmt::close(); ? I checked PHP manual and don’t understand what close() actually does.

Example:

$stmt = $dbh->prepare("SELECT `user_email` FROM `users` WHERE `user_email` = ? LIMIT 1");
$stmt->execute(array($email));
$stmt->close();

Next part of my question is, if as an example i had multiple update queries in a transaction after every execute() for each query i am executing within the transaction should i close them individually ? … because it’s a transaction not sure i need to use $stmt->close(); after each execute(); or just use one $stmt->close(); after all of them ?

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1 Answer

  1. Editorial Team

    It seems like you are using mysqli close method. The $stmt->close() methode simply just closes closes the the previous opened database connect (http://www.php.net/manual/en/mysqli.close.php).

    EDIT: If it’s PDO you are using, I simply do not understand, why you dont take advantage of the possibility of having named parametres instead of question marks. That is, why a lot of people choose PDO instead of mysqli – you might have a better comprehensive view of the queries/statements.

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