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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 |
|---|---|
| 4173 | * Filters the privacy policy link. |
| 4174 | * |
| 4175 | * @since 4.9.6 |
| 4176 | * |
| 4177 | * @param string $link The privacy policy link. Empty string if it |
| 4178 | * doesn't exist. |
| 4179 | * @param string $privacy_policy_url The URL of the privacy policy. Empty string |
| 4180 | * if it doesn't exist. |
| 4181 | */ |
| 4182 | $link = apply_filters( 'the_privacy_policy_link', $link, $privacy_policy_url ); |
| 4183 | |
| 4184 | if ( $link ) { |
| 4185 | return $before . $link . $after; |
| 4186 | } |
| 4187 | |
| 4188 | return ''; |
| 4189 | } |
| 4190 | |