<html><body>// Print all timezones in Africaprint_r(timezone_identifiers_list(1));// Print the whole list//print_r(timezone_identifiers_list());</body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_tz_identifiers_list by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:50:59 GMT --></html>