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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 |
|---|---|
| 567 | */ |
| 568 | function wp_logout() { |
| 569 | wp_clear_auth_cookie(); |
| 570 | |
| 571 | /** |
| 572 | * Fires after a user is logged-out. |
| 573 | * |
| 574 | * @since 1.5.0 |
| 575 | */ |
| 576 | do_action( 'wp_logout' ); |
| 577 | } |
| 578 | endif; |
| 579 | |
| 580 | if ( !function_exists('wp_validate_auth_cookie') ) : |
| 581 | /** |
| 582 | * Validates authentication cookie. |
| 583 | * |
| 584 | * The checks include making sure that the authentication cookie is set and |
| 585 | * pulling in the contents (if $cookie is not used). |