3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(sprintf('%08f', 123.567));
based on btFsL
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
string(10) "123.567000"