3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $test=sprintf('number %1$s %1$s', 'one'); echo $test; $test=sprintf('number %2$s %2$s', 'one', 'two'); echo $test;
based on WiWAm
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.3.0rc3
number one onenumber two two