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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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572 |
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573 | if (is_wp_error($user) && !in_array($user->get_error_code(), $ignore_codes) ) { |
574 | /** |
575 | * Fires after a user login has failed. |
576 | * |
577 | * @since 2.5.0 |
578 | * |
579 | * @param string $username User login. |
580 | */ |
581 | do_action( 'wp_login_failed', $username ); |
582 | } |
583 |
|
584 | return $user; |
585 | } |
586 | endif; |
587 |
|
588 | if ( !function_exists('wp_logout') ) : |
589 | /** |
590 | * Log the current user out. |