src/includes/classes/Core/Utils/UrlQuery.php
public function removeSha256Sig(string $url_uri_qsl, string $sig_var = ''): string
    {
        $sig_var     = $sig_var ?: $this::DEFAULT_SIG_VAR;
        $url_uri_qsl = $this->removeArgs([$sig_var], $url_uri_qsl);

        return $url_uri_qsl;
    }
public function removeSha256Sig(string $url_uri_qsl, string $sig_var = ''): string
    {
        $sig_var     = $sig_var ?: $this::DEFAULT_SIG_VAR;
        $url_uri_qsl = $this->removeArgs([$sig_var], $url_uri_qsl);

        return $url_uri_qsl;
    }
Removes a signature.

@since 150424 Initial release.

@param string $url_uri_qsl Input URL, URI, or query string w/ a leading `?`.
@param string $sig_var     Defaults to `sig`.

@return string The `$url_uri_qsl` w/o a signature.