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 |
---|---|
1027 | * |
1028 | * @param array $headers { |
1029 | * Header names and field values. |
1030 | * |
1031 | * @type string $Expires Expires header. |
1032 | * @type string $Cache-Control Cache-Control header. |
1033 | * @type string $Pragma Pragma header. |
1034 | * } |
1035 | */ |
1036 | $headers = (array) apply_filters( 'nocache_headers', $headers ); |
1037 | } |
1038 | $headers['Last-Modified'] = false; |
1039 | return $headers; |
1040 | } |
1041 |
|
1042 | /** |
1043 | * Set the headers to prevent caching for the different browsers. |
1044 | * |
1045 | * Different browsers support different nocache headers, so several |