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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 |
|---|---|
| 727 | |
| 728 | if ( ! hash_equals( $hash, $hmac ) ) { |
| 729 | /** |
| 730 | * Fires if a bad authentication cookie hash is encountered. |
| 731 | * |
| 732 | * @since 2.7.0 |
| 733 | * |
| 734 | * @param string[] $cookie_elements An array of data for the authentication cookie. |
| 735 | */ |
| 736 | do_action( 'auth_cookie_bad_hash', $cookie_elements ); |
| 737 | return false; |
| 738 | } |
| 739 | |
| 740 | $manager = WP_Session_Tokens::get_instance( $user->ID ); |
| 741 | if ( ! $manager->verify( $token ) ) { |
| 742 | /** |
| 743 | * Fires if a bad session token is encountered. |
| 744 | * |
| 745 | * @since 4.0.0 |