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I made a post a while back about this topic here: and I've clarified a few things with my friend. 1. The input from the project will be coming from a mobile app which will be using a qr code. The qr code contains the Room Number and the 2 Access Points for each room. When a user scans the qr code it will pass that info to the web app that has the algorithm and verify what room he/she is in the access point that was 'scanned'. 2. For the testing of the project we decided to use two rooms of the building of our alma mater and the access points were already defined based on tests: Room 413 has Access Point 1 that have the values of -67 dBm to -89 dBm and Access Point 2 that have the values of -40 dbm to -57 dBm while Room 415 has Access Point 1 that have the values of -30 dBm to -46 dBm and Access Point 2 that have the values of -75 dBm to -100 dBm 3. I already inputted the values and the rooms I've mentioned above in mysql to verify if the input from the qr code that was scanned it correct. but sadly we are stuck with the algorithm itself.
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I am testing to see if PHP variables can pass from previous page to present page to login, I notice it doesn't work in MySQL query from previous to present page. It is like using ID to pass the variable in link like this: "?id=" in link, but I am using submit button. I typed name="user" in previous page, that should pass variable to present, then set up the select in database, but it doesn't do that, what i did do wrong? if ($_POST['submitted']) { $username = $_POST['user']; $password = $_POST['pass']; if ($username && $password) { $log = "SELECT username, password, type FROM username WHERE username = '".$username."' AND WHERE password = '".$password."'"; $result = mysqli_query($Garydb, $log) or die("could not work"); echo "<p>".$result['username']."</p>"; } } Also, I wonder about two query in one sentence, like using 'AND' on sentence, will it works? Please advise me. Thank you in advance time. Gary P.S. how do you type in chart like notepad++ in here? I need to know how to do that, so I show you in number line that you can point much easier to read.
