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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 |
|---|---|
| 23 | |
| 24 | do_action( 'activate_header' ); |
| 25 | |
| 26 | /** |
| 27 | * Adds an action hook specific to this page that fires on wp_head |
| 28 | * |
| 29 | * @since MU |
| 30 | */ |
| 31 | function do_activate_header() { |
| 32 | do_action( 'activate_wp_head' ); |
| 33 | } |
| 34 | add_action( 'wp_head', 'do_activate_header' ); |
| 35 | |
| 36 | /** |
| 37 | * Loads styles specific to this page. |
| 38 | * |
| 39 | * @since MU |
| 40 | */ |
| 41 | function wpmu_activate_stylesheet() { |