Cast string with comma to float with dot

问题

When I try to cast

$value = floatval('14,5833');

to a float type I expect a value with dot like 14.5833 but it returns me 14,5833.

How should I do this ?

I wouldn't like to use any string replace functions.

回答1:

You have two options:

• Set locale to something that uses a dot instead of a coma. E.g. setLocale(LC_ALL, 'fr_BE.UTF-8');
• Keep using comma internally, and when you want to output that number, use number_format

回答2:

An example was helpful for me:

<?php
setlocale(LC_NUMERIC, 'en_US');
echo 1.234; // 1.234
setlocale(LC_NUMERIC, 'et_EE.UTF-8');
echo 1.234; // 1,234
echo number_format( 1.234, 2, '.', '' ); // 1.23 
?>

回答3:

Check decimal_point from localeconv and setlocale

来源：https://stackoverflow.com/questions/2996743/cast-string-with-comma-to-float-with-dot