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