Match column and row, then print data - php

Question

I am having two set off arrays, first array is holding data about colors, second about dimensions.
$colors= array(
"27" => "RAL 9002",
"255" => "RAL 9006",
"341" => "RAL 8019",
"286" => "RAL 7016",
"141" => "RAL 3009",
"171" => "RAL 6028",
"121" => "RAL 8004",
"221" => "RAL 5010",
"101" => "RAL 3000",
"273" => "RAL 9007",);
$dimensions = array
(
array(0.3,1245),
array(0.35,1245),
array(0.40,1100),
array(0.45,1245),
array(0.50,1245),
array(0.60,1245),
array(0.70,1245),
);
Values above are used for queries. I wanted to make an array which will hold data, and later in comparison will print data. Query can return result NULL
foreach($colors as $key => $value)
{
//print "Boja $key . <br>";
foreach($dimensions as $data )
{
//print "Debljina $data[0], Sirina $data[1] Boja $key <br>";
$sql = "SELECT Debljina, Sirina, sum(Kolicina) as suma
FROM jos_ib_repromaterijali WHERE Debljina = '$data[0]' AND Sirina = '$data[1]' AND Boja = '$key'";
$q = $conn -> query($sql);
$vrijednosti = array();
while($r=$q->fetch()) {
$debljina = $r['Debljina'];
$sirina = $r['Sirina'];
$kolicina = $r['suma'];
$vrijednosti[] = $debljina . $sirina . $kod . $kolicina;
}
}
}
Once I get results, I create html table
<div class="col-lg-6">
<table class="table table-bordered">
<thead>
<tr>
<th><?php echo "Dimenzije"; ?> </th>
<?php foreach($colors as $boja) { ?>
<th><?php echo $boja; ?> </th>
<?php } ?>
</tr>
</thead>
<tbody>
<?php foreach($dimensions as $dim) {
?>
<tr>
<td><?php echo $dim[0] . ' X ' . $dim[1]; ?> </td>
<td><?php
if (isset($vrijednosti[$dim[0] . $dim[1]])) {
echo "asdas";
}
else {
echo "error";
}
?> </td>
</tr>
<?php }
?>
</tbody>
</table>
Table print headers and dimensions as it should, I am having trouble in matching rows with column. If someone give me an advice it would be appreciated.
Query can give result NULL; if that is result It should print 0 below color for specific row.