WP_Safe_Redirect Explained

What distinguishes wp_redirect() from wp_safe_redirect() in WordPress?

The primary difference lies in their scope of redirection. wp_redirect() is capable of redirecting to any URL, whereas wp_safe_redirect() is more restrictive, permitting redirections only to the domain set as the Site Address in the General Settings. So, it only performs a local redirect by default.

How to extend the list of allowed domains for the wp_safe_redirect()?

You can extend the allowed domains by using allowed_redirect_hosts filter.

For example:

add_filter( 'allowed_redirect_hosts', 'wph_extend_allowed_domains' );

function wph_extend_allowed_domains( $hosts ){
    $hosts[] = 'example.com';  // Add your desired domain here
    $hosts[] = 'wphandle.com'; 

    return $hosts;
}

PS: It’s important to remember that wp_safe_redirect(); does not terminate script execution and should almost always be followed by an exit; statement to ensure the redirection is properly executed and no subsequent code is run.

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