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Source View: do_mu_upgrade

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Source View

Line Code
58            * when this filter returns true.
59            *
60            * If the network is 50 sites or less, it will run every time. Otherwise,
61            * it will throttle itself to reduce load.
62            *
63            * @since 3.0.0
64            *
65            * @param bool $do_mu_upgrade Whether to perform the Multisite upgrade routine. Default true.
66            */
67      } elseif ( apply_filters( 'do_mu_upgrade', true ) ) {
68           $c = get_blog_count();
69
70           /*
71            * If there are 50 or fewer sites, run every time. Otherwise, throttle to reduce load:
72            * attempt to do no more than threshold value, with some +/- allowed.
73            */
74           if ( $c <= 50 || ( $c > 50 && mt_rand( 0, (int) ( $c / 50 ) ) == 1 ) ) {
75                require_once( ABSPATH . WPINC . '/http.php' );
76                $response = wp_remote_get(