/**
* Returns the value of the jetpack_sync_idc_optin filter, or constant.
* If set to true, the site will be put into staging mode.
*
* @since 4.3.2
* @return bool
*/
public static function sync_idc_optin()
{
if (Jetpack_Constants::is_defined('JETPACK_SYNC_IDC_OPTIN')) {
$default = Jetpack_Constants::get_constant('JETPACK_SYNC_IDC_OPTIN');
} else {
$default = !Jetpack_Constants::is_defined('SUNRISE') && !is_multisite();
}
/**
* Allows sites to optin to IDC mitigation which blocks the site from syncing to WordPress.com when the home
* URL or site URL do not match what WordPress.com expects. The default value is either false, or the value of
* JETPACK_SYNC_IDC_OPTIN constant if set.
*
* @since 4.3.2
*
* @param bool $default Whether the site is opted in to IDC mitigation.
*/
return (bool) apply_filters('jetpack_sync_idc_optin', $default);
}
function test_jetpack_constants_override_to_null_gets_null()
{
Jetpack_Constants::set_constant('JETPACK__VERSION', null);
$this->assertNull(Jetpack_Constants::get_constant('JETPACK__VERSION'));
}
