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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 |
---|---|
1077 | $user_id = wp_validate_auth_cookie( '', $scheme ); |
1078 | if ( $user_id ) { |
1079 | /** |
1080 | * Fires before the authentication redirect. |
1081 | * |
1082 | * @since 2.8.0 |
1083 | * |
1084 | * @param int $user_id User ID. |
1085 | */ |
1086 | do_action( 'auth_redirect', $user_id ); |
1087 |
|
1088 | // If the user wants ssl but the session is not ssl, redirect. |
1089 | if ( ! $secure && get_user_option( 'use_ssl', $user_id ) && false !== strpos( $_SERVER['REQUEST_URI'], 'wp-admin' ) ) { |
1090 | if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) { |
1091 | wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) ); |
1092 | exit; |
1093 | } else { |
1094 | wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); |
1095 | exit; |