3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $arr = array('test', 'test2'); $line = "var1: %2$s, var2: %s"; echo vsprintf($line, $arr);
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: s in /in/4TDK9 on line 3 var1: var2: test2
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: s in /in/4TDK9 on line 3 var1: var2: test2