function akismet_get_host($host)
{
// if all servers are accessible, just return the host name.
// if not, return an IP that was known to be accessible at the last check.
if (akismet_server_connectivity_ok()) {
return $host;
} else {
$ips = akismet_get_server_connectivity();
// a firewall may be blocking access to some Akismet IPs
if (count($ips) > 0 && count(array_filter($ips)) < count($ips)) {
// use DNS to get current IPs, but exclude any known to be unreachable
$dns = (array) gethostbynamel(rtrim($host, '.') . '.');
$dns = array_filter($dns);
foreach ($dns as $ip) {
if (array_key_exists($ip, $ips) && empty($ips[$ip])) {
unset($dns[$ip]);
}
}
// return a random IP from those available
if (count($dns)) {
return $dns[array_rand($dns)];
}
}
}
// if all else fails try the host name
return $host;
}
function akismet_admin_warnings()
{
global $wpcom_api_key;
if (!get_option('wordpress_api_key') && !$wpcom_api_key && !isset($_POST['submit'])) {
function akismet_warning()
{
echo "\n\t\t\t<div id='akismet-warning' class='updated fade'><p><strong>" . __('Akismet is almost ready.') . "</strong> " . sprintf(__('You must <a href="%1$s">enter your Akismet API key</a> for it to work.'), "plugins.php?page=akismet-key-config") . "</p></div>\n\t\t\t";
}
add_action('admin_notices', 'akismet_warning');
return;
} elseif (get_option('akismet_connectivity_time') && empty($_POST) && is_admin() && !akismet_server_connectivity_ok()) {
function akismet_warning()
{
echo "\n\t\t\t<div id='akismet-warning' class='updated fade'><p><strong>" . __('Akismet has detected a problem.') . "</strong> " . sprintf(__('A server or network problem is preventing Akismet from working correctly. <a href="%1$s">Click here for more information</a> about how to fix the problem.'), "plugins.php?page=akismet-key-config") . "</p></div>\n\t\t\t";
}
add_action('admin_notices', 'akismet_warning');
return;
}
}
