<?php ini_set("intl.error_level", E_WARNING); $c = new IntlGregorianCalendar(NULL, 'pt_PT'); var_dump($c->setMinimalDaysInFirstWeek()); var_dump($c->setMinimalDaysInFirstWeek(1, 2)); var_dump($c->setMinimalDaysInFirstWeek(0)); var_dump(intlcal_set_minimal_days_in_first_week($c, 0)); var_dump(intlcal_set_minimal_days_in_first_week(1, 2));