3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $s = '$1%s_$2%s'; echo sprintf($s, 1);
Output for 4.3.2 - 7.2.0
Warning: sprintf(): Too few arguments in /in/qW2Q7 on line 3
Output for 4.3.0 - 4.3.1
Warning: sprintf() [http://www.php.net/function.sprintf]: Too few arguments in /in/qW2Q7 on line 3