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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 |
|---|---|
| 480 | /** |
| 481 | * Fires before a specified login form action. |
| 482 | * |
| 483 | * The dynamic portion of the hook name, `$action`, refers to the action |
| 484 | * that brought the visitor to the login form. Actions include 'postpass', |
| 485 | * 'logout', 'lostpassword', etc. |
| 486 | * |
| 487 | * @since 2.8.0 |
| 488 | */ |
| 489 | do_action( "login_form_{$action}" ); |
| 490 | |
| 491 | $http_post = ( 'POST' == $_SERVER['REQUEST_METHOD'] ); |
| 492 | $interim_login = isset( $_REQUEST['interim-login'] ); |
| 493 | |
| 494 | /** |
| 495 | * Filters the separator used between login form navigation links. |
| 496 | * |
| 497 | * @since 4.9.0 |
| 498 | * |