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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 |
|---|---|
| 340 | if ( get_option('users_can_register') ) |
| 341 | $link = $before . '<a href="' . site_url('wp-login.php?action=register', 'login') . '">' . __('Register') . '</a>' . $after; |
| 342 | else |
| 343 | $link = ''; |
| 344 | } else { |
| 345 | $link = $before . '<a href="' . admin_url() . '">' . __('Site Admin') . '</a>' . $after; |
| 346 | } |
| 347 | |
| 348 | if ( $echo ) |
| 349 | echo apply_filters('register', $link); |
| 350 | else |
| 351 | return apply_filters('register', $link); |
| 352 | } |
| 353 | |
| 354 | /** |
| 355 | * Theme container function for the 'wp_meta' action. |
| 356 | * |
| 357 | * The 'wp_meta' action can have several purposes, depending on how you use it, |
| 358 | * but one purpose might have been to allow for theme switching. |
| 359 | * |
| 360 | * @since 1.5.0 |