--TEST-- filter_var() and doubles with thousend separators --EXTENSIONS-- filter --FILE-- 0.0, '12345678900.1234567165' => 12345678900.1234567165, '1,234,567,890.1234567165' => 1234567890.1234567165, '-1,234,567,890.1234567165' => -1234567890.1234567165, '1234,567,890.1234567165' => false, '1,234,567,89.1234567165' => false, '1,234,567,8900.1234567165' => false, '1.234.567.890.1234567165' => false, '1,234,567,8900.123,456' => false, ); foreach ($test as $src => $dst) { $out = filter_var($src, FILTER_VALIDATE_FLOAT, array("flags"=>FILTER_FLAG_ALLOW_THOUSAND)); if ($dst !== $out) { if ($out === false) { echo "$src -> false != $dst\n"; } elseif ($dst === false) { echo "$src -> $out != false\n"; } else { echo "$src -> $out != $dst\n"; } } } echo "Ok\n"; ?> --EXPECT-- Ok