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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 |
|---|---|
| 406 | <?php |
| 407 | /** |
| 408 | * Fires in the Network Admin 'Right Now' dashboard widget |
| 409 | * just before the user and site search form fields. |
| 410 | * |
| 411 | * @since MU |
| 412 | * |
| 413 | * @param null $unused |
| 414 | */ |
| 415 | do_action( 'wpmuadminresult', '' ); |
| 416 | ?> |
| 417 | |
| 418 | <form action="<?php echo network_admin_url('users.php'); ?>" method="get"> |
| 419 | <p> |
| 420 | <label class="screen-reader-text" for="search-users"><?php _e( 'Search Users' ); ?></label> |
| 421 | <input type="search" name="s" value="" size="30" autocomplete="off" id="search-users"/> |
| 422 | <?php submit_button( __( 'Search Users' ), 'button', false, false, array( 'id' => 'submit_users' ) ); ?> |
| 423 | </p> |
| 424 | </form> |