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 |
|---|---|
| 976 | * |
| 977 | * @param array $headers { |
| 978 | * Header names and field values. |
| 979 | * |
| 980 | * @type string $Expires Expires header. |
| 981 | * @type string $Cache-Control Cache-Control header. |
| 982 | * @type string $Pragma Pragma header. |
| 983 | * } |
| 984 | */ |
| 985 | $headers = (array) apply_filters( 'nocache_headers', $headers ); |
| 986 | } |
| 987 | $headers['Last-Modified'] = false; |
| 988 | return $headers; |
| 989 | } |
| 990 | |
| 991 | /** |
| 992 | * Sets the headers to prevent caching for the different browsers. |
| 993 | * |
| 994 | * Different browsers support different nocache headers, so several headers must |