3v4l.org

run code in 300+ PHP versions simultaneously
<?php $float = 55.123; var_dump(setlocale(LC_ALL, "de_DE.UTF-8")); var_dump($float); echo $float, PHP_EOL;
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(11) "de_DE.UTF-8" float(55.123) 55.123
Output for 7.4.0 - 7.4.33
string(11) "de_DE.UTF-8" float(55,123) 55,123
preferences:
135.88 ms | 401 KiB | 121 Q