WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 902 | } |
| 903 | |
| 904 | /** |
| 905 | * Filters the old slug redirect URL. |
| 906 | * |
| 907 | * @since 4.4.0 |
| 908 | * |
| 909 | * @param string $link The redirect URL. |
| 910 | */ |
| 911 | $link = apply_filters( 'old_slug_redirect_url', $link ); |
| 912 | |
| 913 | if ( ! $link ) { |
| 914 | return; |
| 915 | } |
| 916 | |
| 917 | wp_redirect( $link, 301 ); // Permanent redirect |
| 918 | exit; |
| 919 | } |
| 920 | } |