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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 |
|---|---|
| 1191 | |
| 1192 | /** |
| 1193 | * Filters the redirect status code. |
| 1194 | * |
| 1195 | * @since 2.3.0 |
| 1196 | * |
| 1197 | * @param int $status Status code to use. |
| 1198 | * @param string $location The path to redirect to. |
| 1199 | */ |
| 1200 | $status = apply_filters( 'wp_redirect_status', $status, $location ); |
| 1201 | |
| 1202 | if ( ! $location ) |
| 1203 | return false; |
| 1204 | |
| 1205 | $location = wp_sanitize_redirect($location); |
| 1206 | |
| 1207 | if ( !$is_IIS && PHP_SAPI != 'cgi-fcgi' ) |
| 1208 | status_header($status); // This causes problems on IIS and some FastCGI setups |
| 1209 | |