📄 14-1.php3
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<HTML>
<HEAD>
<TITLE>Figure 14-1</TITLE>
</HEAD>
<BODY>
<?
function BubbleSort(&$input_array)
{
$limit = count($input_array);
for($bubble = 1; $bubble < $limit; $bubble++)
{
for($position = $limit-1; $position >= $bubble; $position--)
{
if($input_array[$position-1] > $input_array[$position])
{
//exchange elements
$temp = $input_array[$position-1];
$input_array[$position-1] = $input_array[$position];
$input_array[$position] = $temp;
}
}
}
}
/*
** print text with an HTML line break
*/
function println($text)
{
print("$text<BR>\n");
}
$some_numbers = array(6, 13, 99, 2, 33, 19, 84);
//print array
print("<H3>Unsorted</H3>\n");
array_walk($some_numbers, "println");
//sort array
BubbleSort(&$some_numbers);
//print array again
print("<H3>Sorted</H3>\n");
array_walk($some_numbers, "println");
?>
</BODY>
</HTML>
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