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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.
This hook occurs 2 times in this file.
Line | Code |
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202 | $submenu_file = 'sites.php'; |
203 |
|
204 | /** |
205 | * Filters whether to show the Add Existing User form on the Multisite Users screen. |
206 | * |
207 | * @since 3.1.0 |
208 | * |
209 | * @param bool $bool Whether to show the Add Existing User form. Default true. |
210 | */ |
211 | if ( ! wp_is_large_network( 'users' ) && apply_filters( 'show_network_site_users_add_existing_form', true ) ) { |
212 | wp_enqueue_script( 'user-suggest' ); |
213 | } |
214 |
|
215 | require_once ABSPATH . 'wp-admin/admin-header.php'; ?> |
216 |
|
217 | <script type="text/javascript"> |
218 | var current_site_id = <?php echo absint( $id ); ?>; |
219 | </script> |
220 |
|
Line | Code |
287 | <?php |
288 | /** |
289 | * Fires after the list table on the Users screen in the Multisite Network Admin. |
290 | * |
291 | * @since 3.1.0 |
292 | */ |
293 | do_action( 'network_site_users_after_list_table' ); |
294 |
|
295 | /** This filter is documented in wp-admin/network/site-users.php */ |
296 | if ( current_user_can( 'promote_users' ) && apply_filters( 'show_network_site_users_add_existing_form', true ) ) : |
297 | ?> |
298 | <h2 id="add-existing-user"><?php _e( 'Add Existing User' ); ?></h2> |
299 | <form action="site-users.php?action=adduser" id="adduser" method="post"> |
300 | <input type="hidden" name="id" value="<?php echo esc_attr( $id ); ?>" /> |
301 | <table class="form-table" role="presentation"> |
302 | <tr> |
303 | <th scope="row"><label for="newuser"><?php _e( 'Username' ); ?></label></th> |
304 | <td><input type="text" class="regular-text wp-suggest-user" name="newuser" id="newuser" /></td> |
305 | </tr> |