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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 |
---|---|
1023 | * |
1024 | * @param array $headers { |
1025 | * Header names and field values. |
1026 | * |
1027 | * @type string $Expires Expires header. |
1028 | * @type string $Cache-Control Cache-Control header. |
1029 | * @type string $Pragma Pragma header. |
1030 | * } |
1031 | */ |
1032 | $headers = (array) apply_filters( 'nocache_headers', $headers ); |
1033 | } |
1034 | $headers['Last-Modified'] = false; |
1035 | return $headers; |
1036 | } |
1037 |
|
1038 | /** |
1039 | * Set the headers to prevent caching for the different browsers. |
1040 | * |
1041 | * Different browsers support different nocache headers, so several |