- setlocale: documentation ( source)
<?php
print setlocale(LC_ALL, "C")."\n";
print 1.1."\n";
print bccomp(1.1, 0)."\n";
//changing locale to a country which uses decimal comma
print setlocale(LC_ALL, "en_DK.UTF-8")."\n";
print 1.1."\n";
print bccomp(1.1, 0)."\n";
print setlocale(LC_ALL, "pt_BR.UTF-8")."\n";
print 1.1."\n";
print bccomp(1.1, 0)."\n";