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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 |
|---|---|
| 1217 | |
| 1218 | /** |
| 1219 | * Filters the redirect HTTP response status code to use. |
| 1220 | * |
| 1221 | * @since 2.3.0 |
| 1222 | * |
| 1223 | * @param int $status The HTTP response status code to use. |
| 1224 | * @param string $location The path or URL to redirect to. |
| 1225 | */ |
| 1226 | $status = apply_filters( 'wp_redirect_status', $status, $location ); |
| 1227 | |
| 1228 | if ( ! $location ) { |
| 1229 | return false; |
| 1230 | } |
| 1231 | |
| 1232 | $location = wp_sanitize_redirect( $location ); |
| 1233 | |
| 1234 | if ( ! $is_IIS && PHP_SAPI != 'cgi-fcgi' ) { |
| 1235 | status_header( $status ); // This causes problems on IIS and some FastCGI setups |