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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 |
|---|---|
| 822 | * |
| 823 | * @param string $request The body of the request. |
| 824 | * @param string $path The path for the request. |
| 825 | * @param string $ip The specific IP address to hit. |
| 826 | * @return array A two-member array consisting of the headers and the response body, both empty in the case of a failure. |
| 827 | */ |
| 828 | public static function http_post( $request, $path, $ip=null ) { |
| 829 | |
| 830 | $akismet_ua = sprintf( 'WordPress/%s | Akismet/%s', $GLOBALS['wp_version'], constant( 'AKISMET_VERSION' ) ); |
| 831 | $akismet_ua = apply_filters( 'akismet_ua', $akismet_ua ); |
| 832 | |
| 833 | $content_length = strlen( $request ); |
| 834 | |
| 835 | $api_key = self::get_api_key(); |
| 836 | $host = self::API_HOST; |
| 837 | |
| 838 | if ( !empty( $api_key ) ) |
| 839 | $host = $api_key.'.'.$host; |
| 840 | |