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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 |
|---|---|
| 1846 | |
| 1847 | return $meta_value; |
| 1848 | } |
| 1849 | |
| 1850 | public static function predefined_api_key() { |
| 1851 | if ( defined( 'WPCOM_API_KEY' ) ) { |
| 1852 | return true; |
| 1853 | } |
| 1854 | |
| 1855 | return apply_filters( 'akismet_predefined_api_key', false ); |
| 1856 | } |
| 1857 | |
| 1858 | /** |
| 1859 | * Controls the display of a privacy related notice underneath the comment form using the `akismet_comment_form_privacy_notice` option and filter respectively. |
| 1860 | * Default is top not display the notice, leaving the choice to site admins, or integrators. |
| 1861 | */ |
| 1862 | public static function display_comment_form_privacy_notice() { |
| 1863 | if ( 'display' !== apply_filters( 'akismet_comment_form_privacy_notice', get_option( 'akismet_comment_form_privacy_notice', 'hide' ) ) ) { |
| 1864 | return; |