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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 |
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323 |
|
324 | <?php |
325 | /** |
326 | * Filters whether to show the Add New User form on the Multisite Users screen. |
327 | * |
328 | * @since 3.1.0 |
329 | * |
330 | * @param bool $bool Whether to show the Add New User form. Default true. |
331 | */ |
332 | if ( current_user_can( 'create_users' ) && apply_filters( 'show_network_site_users_add_new_form', true ) ) : |
333 | ?> |
334 | <h2 id="add-new-user"><?php _e( 'Add New User' ); ?></h2> |
335 | <form action="<?php echo network_admin_url( 'site-users.php?action=newuser' ); ?>" id="newuser" method="post"> |
336 | <input type="hidden" name="id" value="<?php echo esc_attr( $id ); ?>" /> |
337 | <table class="form-table"> |
338 | <tr> |
339 | <th scope="row"><label for="user_username"><?php _e( 'Username' ); ?></label></th> |
340 | <td><input type="text" class="regular-text" name="user[username]" id="user_username" /></td> |
341 | </tr> |