how to add a MySQL Command to every page

Question

I have a code I would like to run on every page, however it doesn't seem to work at all.

<?php

include 'db.php';

$servername = "localhost";

$username = "root";

$password = "";

$dbname = "User";



$conn = new mysqli($servername, $username, $password, $dbname);



if ($conn->connect_error) {

    die("Connection failed: " . $conn->connect_error);

} 



$sql = "UPDATE users SET login_time=NOW() WHERE id='$id'";



if ($conn->query($sql) === TRUE) {

    echo "Record updated successfully";

} else {

    echo "Error updating record: " . $conn->error;

}



$conn->close();

?>

I have also tried the line

$sql = "UPDATE users SET login-time='NOW()' WHERE id='$id'";

It comes back saying

Record updated successfully

But doesn't acctually update.

Thank you

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Answer 1

This will never work:

if ($conn->query($sql) === TRUE) {

query() calls either return a statement handle/object (success), or a boolean FALSE (failure). They will never return a boolean TRUE, meaning that this comparison can never ever succeed. You should never have gotten a "success" message, only the "failed" one.

how to add a MySQL Command to every page

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