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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 |
|---|---|
| 78 | clean_blog_cache( $new_site ); |
| 79 | |
| 80 | /** |
| 81 | * Fires once a site has been inserted into the database. |
| 82 | * |
| 83 | * @since 5.1.0 |
| 84 | * |
| 85 | * @param WP_Site $new_site New site object. |
| 86 | */ |
| 87 | do_action( 'wp_insert_site', $new_site ); |
| 88 | |
| 89 | // Extract the passed arguments that may be relevant for site initialization. |
| 90 | $args = array_diff_key( $data, $defaults ); |
| 91 | if ( isset( $args['site_id'] ) ) { |
| 92 | unset( $args['site_id'] ); |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Fires when a site's initialization routine should be executed. |