php实现ping命令

// created by joe lumbroso
// see some other good php3 scripts
// goto
http://www.dtheatre.com/scripts

echo "Pinging
";
$to_ping = "google.com";
$count = 3;
$psize = 65;
echo " Please be patient, this can take a few moments...\n
";
flush();
while (1) {
?>