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A simple 6/45 Lotto number generator using web interface
[Board]
P4S-342
[Explanation]
a. The numbers are chosen at random using the rand() function.
b. Select 6 numbers that do not duplicated with one another.
c. Output the 6 numbers arranged in the ascending order.
d. Apply text colors classified with each number.
[Screen Shot]
[Source Codes - index.php]
PHP Code:
<?php
$num_arr = array(0, 0, 0, 0, 0, 0);
// getting 6 numbers without duplication
for($i = 0; $i < 6; $i++)
{
$num = rand(1, 45);
if($i != 0)
{
for($j = 0; $j < $i; $j++)
{
if($num == $num_arr[$j])
{
$i--;
continue 2;
}
}
}
$num_arr[$i] = $num;
}
// bubble sort
for($i = 0; $i < 5; $i++)
{
for($j = 0; $j < 5; $j++)
{
if($num_arr[$j] > $num_arr[$j+1])
{
$temp = $num_arr[$j];
$num_arr[$j] = $num_arr[$j+1];
$num_arr[$j+1] = $temp;
}
}
}
?>
<html>
<body bgcolor="lightgrey">
<center>
<h1>Your Lucky Numbers!</h1>
<table align="center" cellpadding="5">
<tr>
<?php
for($i = 0; $i < 6; $i++)
{
if($num_arr[$i] <= 10)
echo "<td bgcolor=#FFEE99><font size="26">";
elseif($num_arr[$i] <= 20)
echo "<td bgcolor=#9EACFF><font size="26">";
elseif($num_arr[$i] <= 30)
echo "<td bgcolor=#FFA3A3><font size="26">";
elseif($num_arr[$i] <= 40)
echo "<td bgcolor=#C0C0C0><font size="26">";
elseif($num_arr[$i] <= 45)
echo "<td bgcolor=#C2FFA8><font size="26">";
printf("%02d", $num_arr[$i]);
echo "</font></td>";
}
?>
</tr>
</table>
<p>
<a href="index.php">Refresh</a>
</p>
</center>
</body>
</html>