pmpro_recaptcha_lang

Filter to adjust the language of the reCAPTCHA anti-spam feature. The default language is pulled from your site’s locale.

apply_filters( 'pmpro_recaptcha_lang', $lang );

Parameters

$lang

string; The language code for your site’s reCAPTCHA feature. Default: your site’s locale.

Source

File: https://github.com/strangerstudios/paid-memberships-pro/blob/master/includes/recaptcha.php