simple retrieve data from database mysql php [closed] - php

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I made a very simple code to retrieve data from a database in table format. But it is not working and I don't know what is wrong with it.
Below is the full PHP code I used:
<?php
$link = mysql_connect('localhost','root', '');
if (!$link) {
die('Could not connect: ' . mysql_error());
}
echo 'Connected successfully';
$db_selected = mysql_select_db('prelimdatabse', $link);
if (!$db_selected) {
die ('Can\'t use for: '. mysql_error());
}
$result = mysql_query("SELECT * FROM $registertable",$link);
echo "<table border='1'>
<tr>
<th>Username</th>
<th>Password</th>
<th>Firstname</th>
<th>Middlename</th>
<th>Lastname</th>
<th>Gender</th>
<th>Email</th>
<th>Month</th>
<th>Date</th>
<th>Year</th>
</tr>";
while($row = mysql_fetch_array($result))
{
echo "<tr>";
echo "<td>" . $row['uname'] . "</td>";
echo "<td>" . $row['pword'] . "</td>";
echo "<td>" . $row['fname'] . "</td>";
echo "<td>" . $row['mname'] . "</td>";
echo "<td>" . $row['lname'] . "</td>";
echo "<td>" . $row['gender'] . "</td>";
echo "<td>" . $row['email'] . "</td>";
echo "<td>" . $row['month'] . "</td>";
echo "<td>" . $row['date'] . "</td>";
echo "<td>" . $row['year'] . "</td>";
echo "</tr>";
}
echo "</table>";
mysql_close($link);
?>
output:
Username Password Firstname Middlename Lastname Gender Email Month Date Year "; while($row = mysql_fetch_array($result)) { echo ""; echo "" . $row['uname'] . ""; echo "" . $row['pword'] . ""; echo "" . $row['fname'] . ""; echo "" . $row['mname'] . ""; echo "" . $row['lname'] . ""; echo "" . $row['gender'] . ""; echo "" . $row['email'] . ""; echo "" . $row['month'] . ""; echo "" . $row['date'] . ""; echo "" . $row['year'] . ""; echo ""; } echo ""; mysql_close($link); ?>
yes, that is the outcome of the code...when it runs it will shows up just like that.

Answer 1

As per your original question / initial post, your problem is with the query, you have the link identifier $con before the query
$result = mysql_query($con,"SELECT * FROM registertable");
If you check the manual for mysql_query() it should be
$result = mysql_query("SELECT * FROM registertable",$con);
That being said, mysql_* functions are all deprecated and you should not spend time writing new code or learning how to use deprecated functions. you would do yourself much better by learning to use mysqli_* or PDO instead