On Mon, 2006-06-19 at 16:39, Rob W. wrote:
> Ok, I am still trying to get this figured out from what I tried doing last
> night. If anybody wants to try it, please be my guest. This is the deal.
> Create an INTEGER table. Put the numbers 1 - 24 in it. Leave out like number
> 8, 9, 22, 23 ect.. Now create a php statement that will take and pull that
> out of the database, find out the missing numbers and display them as an html
> drop down selection.
>
> And tedd in response to why, is because the values that are already located
> in the database represent in use already. They represent a server port that a
> server is sitting on, so that's not the problem. I could have done that along
> time ago.
>
> Any help is appreciated but here is the current code that I have.
>
>
$query="SELECT switchport FROM network";
> $result=mysql_query($query);
> $sql_range=mysql_fetch_array($result);
> $true_range=range(1,24);
> $next_range=array_diff($true_range,$sql_range);
> foreach ($next_range as $final_range) {
> echo "<option value='$final_range'>$final_range\n";
> }
<?php
$range = array_flip( range( 1, 24 ) );
$query = "SELECT switchport FROM network ";
if( ($result = mysql_query( $query )) !== false )
{
while( ($row = mysql_fetch_array( $result )) !== false )
{
unset( $range[$row[0]] );
}
}
foreach( $range as $switchport => $foo )
{
echo '<option value="'.$switchport.'">'.$switchport.'</option>'."\n";
}
?>
Cheers,
Rob.
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