php实现ping
<?php
// created by joe lumbroso
// see some other good php3 scripts
// goto http://www.dtheatre.com/scripts
echo <font color=red><blink><b>Pinging</b></blink></font><br>;
$to_ping = dtheatre.com;
$count = 3;
$psize = 65;
echo Please be patient, this can take a few moments...<br><br>;
flush();
while (1) {
?>
<pre>
<?
exec(ping -c $count -s $psize $to_ping, $list);
for ($i=0;$i < count($list);$i ) {
print $list[$i].;
}
?>
</pre>
<?
flush();
sleep(3);
}
?>
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