<?php

$foo_count = $bar_count = 0;
foreach (range(1, 20) as $number ) {
    echo $number;
    echo '&nbsp;';

    if ($number % 3 == 0 && $number %5 == 0) {
        echo "foobar ";
        $foo_count++;
        $bar_count++;

    } elseif ($number % 3 == 0)  {
        echo "foo ";
        $foo_count++;

    } elseif ($number % 5 == 0) {
        echo "bar ";
        $bar_count++;
    }
}

echo "<br>\n";
echo "foo: $foo_count times listed<br>\n";
echo "bar: $bar_count times listed<br>";