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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 |
---|---|
165 | $submenu_file = 'sites.php'; |
166 |
|
167 | /** |
168 | * Filter whether to show the Add Existing User form on the Multisite Users screen. |
169 | * |
170 | * @since 3.1.0 |
171 | * |
172 | * @param bool $bool Whether to show the Add Existing User form. Default true. |
173 | */ |
174 | if ( ! wp_is_large_network( 'users' ) && apply_filters( 'show_network_site_users_add_existing_form', true ) ) |
175 | wp_enqueue_script( 'user-suggest' ); |
176 |
|
177 | require( ABSPATH . 'wp-admin/admin-header.php' ); ?> |
178 |
|
179 | <script type="text/javascript"> |
180 | /* <![CDATA[ */ |
181 | var current_site_id = <?php echo $id; ?>; |
182 | /* ]]> */ |
183 | </script> |
Line | Code |
252 | <?php |
253 | /** |
254 | * Fires after the list table on the Users screen in the Multisite Network Admin. |
255 | * |
256 | * @since 3.1.0 |
257 | */ |
258 | do_action( 'network_site_users_after_list_table' ); |
259 |
|
260 | /** This filter is documented in wp-admin/network/site-users.php */ |
261 | if ( current_user_can( 'promote_users' ) && apply_filters( 'show_network_site_users_add_existing_form', true ) ) : ?> |
262 | <h3 id="add-existing-user"><?php _e( 'Add Existing User' ); ?></h3> |
263 | <form action="site-users.php?action=adduser" id="adduser" method="post"> |
264 | <input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" /> |
265 | <table class="form-table"> |
266 | <tr> |
267 | <th scope="row"><?php _e( 'Username' ); ?></th> |
268 | <td><input type="text" class="regular-text wp-suggest-user" name="newuser" id="newuser" /></td> |
269 | </tr> |
270 | <tr> |