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<?php
// $Id$
/**
* @file
* Alerts other sites that your site has been updated.
*/
/**
* Implementation of hook_help().
*/
function ping_help($section) {
switch ($section) {
case 'admin/help#ping':
$output .= t("
<p>Drupal can automatically send notifications (called \"pings\") to the %pingomatic to tell them that your site has changed. In turn pingomatic.com will ping other services like weblogs.com, Technorati, blo.gs, BlogRolling, Feedster.com, Moreover, etc.</p>
<p>The ping feature requires crontab.</p>", array('%pingomatic' => '<a href="http://pingomatic.com/">http://pingomatic.com/</a>'));
break;
case 'admin/modules#description':
$output = t('Alerts other sites when your site has been updated.');
break;
}
return $output;
}
/**
* Implementation of hook_cron().
*
* Fire off notifications of updates to remote sites.
*/
function ping_cron() {
global $base_url;
if (variable_get('site_name', 0) && variable_get('site_slogan', 0)) {
if (db_num_rows(db_query("SELECT nid FROM {node} WHERE status = 1 AND moderate = 0 AND (created > '". variable_get('ping_cron_last', time()) ."' OR changed > '". variable_get('ping_cron_last', time()) ."')"), 1)) {
_ping_notify(variable_get('site_name', '') .' - '. variable_get('site_slogan', ''), $base_url);
}
variable_set('ping_cron_last', time());
}
}
/**
* Call hook_ping() in all modules to notify remote sites that there is
* new content at this one.
*/
function _ping_notify($name, $url) {
module_invoke_all('ping', $name, $url);
}
/**
* Implementation of hook_ping().
*
* Notifies pingomatic.com, blo.gs, and technorati.com of changes at this site.
*/
function ping_ping($name = '', $url = '') {
$result = xmlrpc('http://rpc.pingomatic.com', 'weblogUpdates.ping', $name, $url);
if ($result === FALSE) {
watchdog('directory ping', t('Failed to notify pingomatic.com (site).'), WATCHDOG_WARNING);
}
}
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