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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 |
|---|---|
| 400 | setcookie( TEST_COOKIE, 'WP Cookie check', 0, COOKIEPATH, COOKIE_DOMAIN, $secure ); |
| 401 | if ( SITECOOKIEPATH != COOKIEPATH ) |
| 402 | setcookie( TEST_COOKIE, 'WP Cookie check', 0, SITECOOKIEPATH, COOKIE_DOMAIN, $secure ); |
| 403 | |
| 404 | /** |
| 405 | * Fires when the login form is initialized. |
| 406 | * |
| 407 | * @since 3.2.0 |
| 408 | */ |
| 409 | do_action( 'login_init' ); |
| 410 | /** |
| 411 | * Fires before a specified login form action. |
| 412 | * |
| 413 | * The dynamic portion of the hook name, `$action`, refers to the action |
| 414 | * that brought the visitor to the login form. Actions include 'postpass', |
| 415 | * 'logout', 'lostpassword', etc. |
| 416 | * |
| 417 | * @since 2.8.0 |
| 418 | */ |