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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 |
---|---|
631 | // Quick check to see if an honest cookie has expired |
632 | if ( $expired < time() ) { |
633 | /** |
634 | * Fires once an authentication cookie has expired. |
635 | * |
636 | * @since 2.7.0 |
637 | * |
638 | * @param array $cookie_elements An array of data for the authentication cookie. |
639 | */ |
640 | do_action( 'auth_cookie_expired', $cookie_elements ); |
641 | return false; |
642 | } |
643 |
|
644 | $user = get_user_by( 'login', $username ); |
645 | if ( ! $user ) { |
646 | /** |
647 | * Fires if a bad username is entered in the user authentication process. |
648 | * |
649 | * @since 2.7.0 |