PHP SQL update query - php

Question

AIM
I am attempting to update SQL.
I suspect that the issue is either with my sql query, or with my connection. Although, I could be totally wrong.
Apologies if it's messy, but I'm using console.log to attempt to debug the issue, and the console output is:
B.1
B.2
D.1
D.2
D.3
B.2.1
B.5
In relation to sql queries, amongst others, I've attempted with the following two:
$sql = "UPDATE Users SET description = " . '$description' . "WHERE userID = " . '$this->userID';
$sql = "UPDATE Users SET description = '$description' WHERE userID = '$this->userID'";
CODE
edit-profile-handler.php
<?php
if(isset($_POST['edit-profile-button'])) {
$description = $_POST['edit-description'];
echo '<script>console.log("B.1")</script>';
if(isset($description)) {
echo '<script>console.log("B.2")</script>';
$result = $user->updateDescription($description);
echo '<script>console.log("B.2.1")</script>';
}
if($result == true) {
echo '<script>console.log("B.4")</script>';
header("Location: profile.php");
}
echo '<script>console.log("B.5")</script>';
}
?>
User.php
<?php
class User {
private $con;
private $userID;
private $description;
public function __construct($con, $userID) {
$this->con = $con;
$this->userID = $userID;
$sql = "SELECT * FROM Users WHERE userID='$this->userID'";
$query = mysqli_query($this->con, $sql);
$user = mysqli_fetch_array($query);
$this->description = $user['description'];
}
public function getID() {
return $this->userID;
}
public function updateDescription($description) {
echo '<script>console.log("D.1")</script>';
$sql = "UPDATE Users SET description = '$description' WHERE userID = '$this->userID'";
echo '<script>console.log("D.2")</script>';
$result = mysqli_query($this->con, $sql);
echo '<script>console.log("D.3")</script>';
return $result;
echo '<script>console.log("D.4")</script>';
}
}
?>

Answer 1

Your $result variable is not returning a BOOLEAN because it handles an UPDATE query result.
So on your updateDescription function, try to return mysqli_affected_rows() then try to check on edit-profile-handler.php if $return > 0 it means there are row/s affected by your update. You can refer here.