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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 |
|---|---|
| 983 | $secure = ( is_ssl() || force_ssl_admin() ); |
| 984 | |
| 985 | /** |
| 986 | * Filter whether to use a secure authentication redirect. |
| 987 | * |
| 988 | * @since 3.1.0 |
| 989 | * |
| 990 | * @param bool $secure Whether to use a secure authentication redirect. Default false. |
| 991 | */ |
| 992 | $secure = apply_filters( 'secure_auth_redirect', $secure ); |
| 993 | |
| 994 | // If https is required and request is http, redirect |
| 995 | if ( $secure && !is_ssl() && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) { |
| 996 | if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) { |
| 997 | wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) ); |
| 998 | exit(); |
| 999 | } else { |
| 1000 | wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); |
| 1001 | exit(); |