You haven't reset $numbercount, so on the second iteration you never enter
the while loop and so $num_array[2] is never actually created. Remember
$num_array[2] is simply an element of the top level array. It isn't an array
until you make it one, regardless of what the previous elements are.
Remember ... there are no multi-dimensional arrays in php, just arrays that
can contain arrays (that can contain arrays, etc.)
Tim Ward
----------
From: Montz, James C. (James Tower) [SMTP:[EMAIL PROTECTED]]
Sent: 23 August 2001 22:48
To: Php-General (E-mail)
Subject: Sorting and foreach of MultiDimensional Array failing
In the following code, I'm reading a variable set of random numbers
into a
multi-dimensional array.
The first iteration runs properly, but when I get to my 2nd+
iteration, I
get the following errors;
Warning: Wrong datatype in sort() call in
/home/usrlinux/WWW/pballs.php on
line 18
Warning: Invalid argument supplied for foreach() in
/home/usrlinux/WWW/pballs.php on line 19
Is there a specific function for sorting and foreach statements of
multidimensional arrays? If so, why does it work properly for the
first
interation,i.e. sort($num_array[1]) then subsequently fail on
sort($num_array[2])
Thank you in advance!
<?
srand ((double) microtime() * 1000000);
$totnum = 5;
$min = 1;
$max = 49;
$tickcount=1;
$num_array = array();
array_push($num_array, array());
echo "Now Generating $tickets Tickets!<br>\n";
while ($tickcount <= $tickets)
{
while ( $numbercount < $totnum)
{
$num_array[$tickcount][] = rand($min,$max);
$numbers = array_unique($num_array[$tickcount]);
$numbercount = count($num_array[$tickcount]);
}
sort($num_array[$tickcount]);
foreach($num_array[$tickcount] as $val)
{
echo "<img src=ball.php?text=$val&color=grey>  ";
}
$pb[$tickcount] = rand(1,42);
print "<img src=ball.php?text=$pb[$tickcount]&color=red>";
$tickcount++;
}
?>
___________________________
James C. Montz
James Tower
http://www.jamestower.com
[EMAIL PROTECTED]
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