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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 |
|---|---|
| 455 | $interim_login = isset( $_REQUEST['interim-login'] ); |
| 456 | |
| 457 | /** |
| 458 | * Filters the separator used between login form navigation links. |
| 459 | * |
| 460 | * @since 4.9.0 |
| 461 | * |
| 462 | * @param string $login_link_separator The separator used between login form navigation links. |
| 463 | */ |
| 464 | $login_link_separator = apply_filters( 'login_link_separator', ' | ' ); |
| 465 | |
| 466 | switch ( $action ) { |
| 467 | |
| 468 | case 'confirm_admin_email': |
| 469 | /* |
| 470 | * Note that `is_user_logged_in()` will return false immediately after logging in |
| 471 | * as the current user is not set, see wp-includes/pluggable.php. |
| 472 | * However this action runs on a redirect after logging in. |
| 473 | */ |