1. setlocale(LC_TIME,'fr_FR'); echo date('d-m-Y'); 21-01-2018
2. setlocale(LC_TIME,'fr_FR'); echo date('F, l'); January, Sunday
3. setlocale(LC_TIME,'en_US'); echo date('d-m-Y'); 21-01-2018
4. setlocale(LC_TIME,'en_US'); echo date('F, l'); January, Sunday