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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1491 | __( 'Unable to pass %s if not using multisite.' ), |
| 1492 | '<code>$network_id</code>' |
| 1493 | ), |
| 1494 | '6.0.0' |
| 1495 | ); |
| 1496 | } |
| 1497 | |
| 1498 | $is_small_network = ! wp_is_large_user_count( $network_id ); |
| 1499 | /** This filter is documented in wp-includes/ms-functions.php */ |
| 1500 | if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'users' ) ) { |
| 1501 | return false; |
| 1502 | } |
| 1503 | |
| 1504 | return wp_update_user_counts( $network_id ); |
| 1505 | } |
| 1506 | |
| 1507 | /** |
| 1508 | * Updates the total count of users on the site. |
| 1509 | * |