if ( $c <= 50 || ( $c > 50 && mt_rand( 0, (int)( $c / 50 ) ) == 1 ) ) {
require_once( ABSPATH . WPINC . '/http.php' );
$response = wp_remote_get( admin_url( 'upgrade.php?step=1' ), array( 'timeout' => 120, 'httpversion' => '1.1' ) );
- /**
- * Fires after the multisite DB upgrade is complete.
- *
- * @since 3.0.0
- *
- * @param array|WP_Error $response The upgrade response array or WP_Error on failure.
- */
+ /** This action is documented in wp-admin/network/upgrade.php */
do_action( 'after_mu_upgrade', $response );
unset($response);
}