3v4l.org

run code in 300+ PHP versions simultaneously
<?php $locale = 'us'; var_dump(($fmt = new IntlDateFormatter($locale, IntlDateFormatter::FULL, IntlDateFormatter::NONE))->format(time())); $locale = 'fi'; var_dump(($fmt = new IntlDateFormatter($locale, IntlDateFormatter::FULL, IntlDateFormatter::NONE))->format(time())); $locale = 'da'; var_dump(($fmt = new IntlDateFormatter($locale, IntlDateFormatter::FULL, IntlDateFormatter::NONE))->format(time())); $locale = 'nb'; var_dump(($fmt = new IntlDateFormatter($locale, IntlDateFormatter::FULL, IntlDateFormatter::NONE))->format(time()));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.2.90.0080.00521.25
8.1.260.0050.01028.09
5.6.400.0160.00616.18
preferences:
49.39 ms | 403 KiB | 5 Q