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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 |
|---|---|
| 277 | |
| 278 | </form> |
| 279 | |
| 280 | <?php |
| 281 | /** |
| 282 | * Fires after the list table on the Users screen in the Multisite Network Admin. |
| 283 | * |
| 284 | * @since 3.1.0 |
| 285 | */ |
| 286 | do_action( 'network_site_users_after_list_table' ); |
| 287 | |
| 288 | /** This filter is documented in wp-admin/network/site-users.php */ |
| 289 | if ( current_user_can( 'promote_users' ) && apply_filters( 'show_network_site_users_add_existing_form', true ) ) : ?> |
| 290 | <h2 id="add-existing-user"><?php _e( 'Add Existing User' ); ?></h2> |
| 291 | <form action="site-users.php?action=adduser" id="adduser" method="post"> |
| 292 | <input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" /> |
| 293 | <table class="form-table"> |
| 294 | <tr> |
| 295 | <th scope="row"><label for="newuser"><?php _e( 'Username' ); ?></label></th> |