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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 |
|---|---|
| 1400 | |
| 1401 | return $meta_value; |
| 1402 | } |
| 1403 | |
| 1404 | public static function predefined_api_key() { |
| 1405 | if ( defined( 'WPCOM_API_KEY' ) ) { |
| 1406 | return true; |
| 1407 | } |
| 1408 | |
| 1409 | return apply_filters( 'akismet_predefined_api_key', false ); |
| 1410 | } |
| 1411 | |
| 1412 | /** |
| 1413 | * Controls the display of a privacy related notice underneath the comment form using the `akismet_comment_form_privacy_notice` option and filter respectively. |
| 1414 | * Default is top not display the notice, leaving the choice to site admins, or integrators. |
| 1415 | */ |
| 1416 | public static function display_comment_form_privacy_notice() { |
| 1417 | if ( 'display' !== apply_filters( 'akismet_comment_form_privacy_notice', get_option( 'akismet_comment_form_privacy_notice', 'hide' ) ) ) { |
| 1418 | return; |