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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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532 | if (is_wp_error($user) && !in_array($user->get_error_code(), $ignore_codes) ) { |
533 | /** |
534 | * Fires after a user login has failed. |
535 | * |
536 | * @since 2.5.0 |
537 | * @since 4.5.0 The value of `$username` can now be an email address. |
538 | * |
539 | * @param string $username Username or email address. |
540 | */ |
541 | do_action( 'wp_login_failed', $username ); |
542 | } |
543 |
|
544 | return $user; |
545 | } |
546 | endif; |
547 |
|
548 | if ( !function_exists('wp_logout') ) : |
549 | /** |
550 | * Log the current user out. |