Mine

<?php
$fp = array();

for ($i = 0; $i < 8000; $i++) {
    $fp[$i] = @fsockopen("www.google.nl", 80);
    if (!$fp[$i])
        break;
    echo "Connection #$i opened...\n";
}

for ($i = 0; $i < count($fp); $i++) {
    fclose($fp[$i]);
    echo "Connection #$i closed...\n";
}
?>