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Source View: do_mu_upgrade

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Source View

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