Question

I have this code in PHP

$max="SELECT MAX(num) FROM info";
$maxquery= mysql_query($max) or die (died);
while($row = mysql_fetch_array($maxquery)){
    echo "The max num is ". $row['num']."this is it";
}
$maxnum= mysql_fetch_array($maxquery);
echo "<br>".$maxnum."hh";

then the output be:

The max num is this is it

hh

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Why didn’t the query get the max number?

The table is called info and it has these fields, ID, num, title, description, and answer.

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After editing:

I tried my query in MySQL and it works fine!

“SELECT MAX(num) FROM info”

and this is my complete code if it can help:

<?php
    $answer=$_GET["answerbox"];
    $ID=$_GET["TheID"];

    $host="localhost";
    $username="root";
    $password="";
    $db_name="game";
    mysql_connect("$host","$username","$password")or die("cannot connect");
    mysql_select_db("$db_name")or die("cannot select DB");

    $max="SELECT MAX(num) FROM info";
    $maxquery= mysql_query($max) or die (died);
    while($row = mysql_fetch_array($maxquery)) {
        echo "The max num is ". $row['num']."this is it";
    }

    $maxnum= mysql_fetch_array($maxquery);
    $sql="SELECT * FROM info  WHERE ID=".$ID;
    $query = mysql_query($sql) or die(errorquery);
    $row = mysql_fetch_array($query);
    $trueanswer = $row['Answer'];
    $num=$row['num'];
    if ($num<$maxnum)
    {
        $numto= $num +1 ;
        echo "<br>".$maxnum."hh";
    }
?>

Answer 1

Then the code will be

$max="SELECT MAX(num) as num FROM info";
$maxquery= mysql_query($max) or die (died);
while($row = mysql_fetch_assoc($maxquery)) {
    echo "The max num is ". $row['num']."this is it";
}