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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 |
|---|---|
| 1231 | |
| 1232 | /** |
| 1233 | * Filters the redirect HTTP response status code to use. |
| 1234 | * |
| 1235 | * @since 2.3.0 |
| 1236 | * |
| 1237 | * @param int $status The HTTP response status code to use. |
| 1238 | * @param string $location The path or URL to redirect to. |
| 1239 | */ |
| 1240 | $status = apply_filters( 'wp_redirect_status', $status, $location ); |
| 1241 | |
| 1242 | if ( ! $location ) { |
| 1243 | return false; |
| 1244 | } |
| 1245 | |
| 1246 | $location = wp_sanitize_redirect( $location ); |
| 1247 | |
| 1248 | if ( ! $is_IIS && PHP_SAPI != 'cgi-fcgi' ) { |
| 1249 | status_header( $status ); // This causes problems on IIS and some FastCGI setups |