= 0 ) {
header("Pragma: public");
header("Cache-Control: max-age=".$expires.", must-revalidate");
} else {
header("Pragma: no-cache");
header("Cache-Control: max-age=".$expires.", no-cache");
}
header('Expires: ' . gmdate('D, d M Y H:i:s', time()+$expires) . ' GMT');
}
function phpch_setting() {
add_submenu_page('aio-cache-menu',__('PHP Expires Headers','aio-cache-phpexpheaders'), __('PHP Expires Headers','aio-cache-phpexpheaders'), 'manage_options', 'aio-cache-phpexpheaders', 'phpch_setting_page');
}
function phpch_setting_page() {
global $opt_value;
if (!current_user_can('manage_options'))
wp_die( __('You do not have sufficient permissions to access this page.') );
$opt_value = get_option( 'phpch_setting', 1800 );
if ( is_numeric($_POST['phpch_value']) ) {
$opt_value = $_POST['phpch_value'];
update_option( 'phpch_setting', $opt_value );
?>
';
echo 'AIO Cache: PHP Expires Headers
';
?>