<?php
function show($nc) {
$s = "";
$start = microtime(true);
for ($i = 0; $i < $nc; $i++) $s = $s . '.';
$elapsed = microtime(true) - $start;
printf("<tr><td>%d<td>%.3f\n", $nc, $elapsed);
}
print "<html>\n";
print "<head>\n";
print "<link rel=\"stylesheet\" type=\"text/css\" href=\"../teaching.css\">\n";
print "</head>\n";
print "<body>\n";
print "<table border><tr><td>Length<td>Seconds\n";
show(1000);
show(10000);
show(100000);
show(1000000);
print "</table>\n";
print "</body>\n";
print "</html>\n";
?>