Mega Code Archive
Execute help command and check its output
<![CDATA[
<?php
$command = "help";
$logged_in = explode(' ', shell_exec($command));
for ($i = 0; $i < count($logged_in); $i++) {
if ($argv[1] == trim($logged_in[$i])) {
$found_user = 1;
}
}
if($found_user) {
print "User $argv[1] is currently logged in\n";
} else {
print "User $argv[1] is NOT currently logged in\n";
}
?>
]]>