3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $var1 = 'Hello'; $var2 = 'World'; printf( '%2$s %1$s', $var2, $var1 );
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Hello World