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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 |
|---|---|
| 525 | /** |
| 526 | * Fires before a specified login form action. |
| 527 | * |
| 528 | * The dynamic portion of the hook name, `$action`, refers to the action |
| 529 | * that brought the visitor to the login form. Actions include 'postpass', |
| 530 | * 'logout', 'lostpassword', etc. |
| 531 | * |
| 532 | * @since 2.8.0 |
| 533 | */ |
| 534 | do_action( "login_form_{$action}" ); |
| 535 | |
| 536 | $http_post = ( 'POST' === $_SERVER['REQUEST_METHOD'] ); |
| 537 | $interim_login = isset( $_REQUEST['interim-login'] ); |
| 538 | |
| 539 | /** |
| 540 | * Filters the separator used between login form navigation links. |
| 541 | * |
| 542 | * @since 4.9.0 |
| 543 | * |