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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 |
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565 |
|
566 | if (is_wp_error($user) && !in_array($user->get_error_code(), $ignore_codes) ) { |
567 | /** |
568 | * Fires after a user login has failed. |
569 | * |
570 | * @since 2.5.0 |
571 | * |
572 | * @param string $username User login. |
573 | */ |
574 | do_action( 'wp_login_failed', $username ); |
575 | } |
576 |
|
577 | return $user; |
578 | } |
579 | endif; |
580 |
|
581 | if ( !function_exists('wp_logout') ) : |
582 | /** |
583 | * Log the current user out. |