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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 |
---|---|
761 | * Checks if a user is logged in, if not it redirects them to the login page. |
762 | * |
763 | * @since 1.5 |
764 | */ |
765 | function auth_redirect() { |
766 | // Checks if a user is logged in, if not redirects them to the login page |
767 |
|
768 | $secure = ( is_ssl() || force_ssl_admin() ); |
769 |
|
770 | $secure = apply_filters('secure_auth_redirect', $secure); |
771 |
|
772 | // If https is required and request is http, redirect |
773 | if ( $secure && !is_ssl() && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) { |
774 | if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) { |
775 | wp_redirect(preg_replace('|^http://|', 'https://', $_SERVER['REQUEST_URI'])); |
776 | exit(); |
777 | } else { |
778 | wp_redirect('https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']); |
779 | exit(); |