)).'/clock.png)
';
}
$menutitle .= __('Timezone', TIMEZONE_DOMAIN);
add_options_page(__('Timezone Configuration', TIMEZONE_DOMAIN), $menutitle , 'manage_options', 'timezone-config', 'timezone_conf');
add_filter( 'plugin_action_links', 'timezone_filter_plugin_actions', 10, 2 );
}
}
add_action('admin_menu', 'timezone_config_page');
/**
* timezone_filter_plugin_actions() - Adds an action link to the plugins page
*
* @since 1.6
*/
function timezone_filter_plugin_actions($links, $file){
static $this_plugin;
if( !$this_plugin ) $this_plugin = plugin_basename(__FILE__);
if( $file == $this_plugin ){
$settings_link = '' . __('Settings') . '';
$links = array_merge( array($settings_link), $links); // before other links
}
return $links;
}
/**
* timezone_get_timezones() - Gets the list of timezones
* (in different possible ways, depending on what is available)
*
*/
function timezone_get_timezones() {
if (function_exists('timezone_identifiers_list')) {
// modern PHP 5.1 way
return timezone_identifiers_list();
} else if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
// older PHP4 on a Linux box approach, try two possible locations for time zone info
// this is not the best approach. PHP 5 is better.
$zones = `find /usr/share/zoneinfo -type f`;
if (empty($zones)) $zones = `find /usr/lib/zoneinfo -type f`;
if (empty($zones)) return false;
$zones = explode("\n", trim($zones));
$zones = str_replace('/usr/share/zoneinfo/','',$zones);
$zones = str_replace('/usr/lib/zoneinfo/','',$zones);
return $zones;
} else {
// PHP 4 on a Windows box? No way to do this sort of thing properly on that setup.
return false;
}
}
/**
* timezone_conf() - Show/handle the admin config page
*
*/
function timezone_conf() {
timezone_load_textdomain();
// did they submit the form?
if ( isset($_POST['submit']) )
{
// are they allowed to do that?
if ( function_exists('current_user_can') && !current_user_can('manage_options') )
die(__('Cheatin’ uh?'));
// check the nonce
check_admin_referer( 'timezone-update' );
// get the setting
$timezone_string = $_POST['timezone_string'];
// validate that the setting makes sense
if ( isset( $timezone_string ) )
{
// check the input tz string for validity
$all = @timezone_get_timezones();
if (in_array($timezone_string,$all))
update_option( 'timezone_string', $timezone_string );
}
}
?>