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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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596 |
|
597 | if (is_wp_error($user) && !in_array($user->get_error_code(), $ignore_codes) ) { |
598 | /** |
599 | * Fires after a user login has failed. |
600 | * |
601 | * @since 2.5.0 |
602 | * |
603 | * @param string $username User login. |
604 | */ |
605 | do_action( 'wp_login_failed', $username ); |
606 | } |
607 |
|
608 | return $user; |
609 | } |
610 | endif; |
611 |
|
612 | if ( !function_exists('wp_logout') ) : |
613 | /** |
614 | * Log the current user out. |