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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 |
|---|---|
| 353 | if ( ! empty( $_REQUEST['action'] ) ) { |
| 354 | /** |
| 355 | * Fires when an 'action' request variable is sent. |
| 356 | * |
| 357 | * The dynamic portion of the hook name, `$_REQUEST['action']`, |
| 358 | * refers to the action derived from the `GET` or `POST` request. |
| 359 | * |
| 360 | * @since 2.6.0 |
| 361 | */ |
| 362 | do_action( 'admin_action_' . $_REQUEST['action'] ); |
| 363 | } |
| 364 | |