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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 |
|---|---|
| 900 | * to return early. |
| 901 | * |
| 902 | * @since 5.1.0 |
| 903 | * |
| 904 | * @param null|string $result The value to return instead. Default null to continue with the query. |
| 905 | * @param string $strategy Optional. The computational strategy to use when counting the users. |
| 906 | * Accepts either 'time' or 'memory'. Default 'time'. |
| 907 | * @param int|null $site_id Optional. The site ID to count users for. Defaults to the current site. |
| 908 | */ |
| 909 | $pre = apply_filters( 'pre_count_users', null, $strategy, $site_id ); |
| 910 | |
| 911 | if ( null !== $pre ) { |
| 912 | return $pre; |
| 913 | } |
| 914 | |
| 915 | $blog_prefix = $wpdb->get_blog_prefix( $site_id ); |
| 916 | $result = array(); |
| 917 | |
| 918 | if ( 'time' === $strategy ) { |