Online PHP editor | refs for iMGg8

<?php declare(strict_types=1); var_dump('17.123' + '19.456'); var_dump('17 .123' + '19.456'); var_dump('17,123' + '19.456'); var_dump('1,700.123' + '19.456'); $currentLocale = setlocale(LC_ALL, 0); setlocale(LC_ALL, "en_DK.UTF-8"); var_dump('1,700.123' + '19.456'); setlocale(LC_ALL, $currentLocale); var_dump('17e123' + '19.456'); var_dump('hello' + '19.456');