Simplify code. Array not necessary.

2/IAW/exercises/php/dice.php

@@ -9,14 +9,13 @@ $num_dice = rand(1,10);
 ?>
 		<h1><?= $num_dice ?> dados</h1>
 <?php
-$rolls = [];
 $max = -1;
 for($i = 0; $i < $num_dice; $i++) {
-	$rolls[$i] = rand(1,6);
-	if($rolls[$i] > $max)
-		$max = $rolls[$i];
+	$roll = rand(1,6);
+	if($roll > $max)
+		$max = $roll;
 ?>
-		<img src="imgs/<?= $rolls[$i] ?>.svg" />
+		<img src="imgs/<?= $roll ?>.svg" />
 <?php
 }
 ?>