3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function f($req, $opt = null) { printf('$req: %d; $opt: %d; number of params: %d'."\n", $req, $opt); } f(1); f(1, 2); f(1, 2, 3); f(1, 2, 3, 4); f(1, 2, 3, 4, 5); ?>
Output for 7.0.0 - 7.1.0
Warning: printf(): Too few arguments in /in/NIfts on line 3 Warning: printf(): Too few arguments in /in/NIfts on line 3 Warning: printf(): Too few arguments in /in/NIfts on line 3 Warning: printf(): Too few arguments in /in/NIfts on line 3 Warning: printf(): Too few arguments in /in/NIfts on line 3
Output for hhvm-3.10.0 - 3.12.0
Warning: Invalid argument: arguments: (too few) in /in/NIfts on line 4 Warning: Invalid argument: arguments: (too few) in /in/NIfts on line 4 Warning: Invalid argument: arguments: (too few) in /in/NIfts on line 4 Warning: Invalid argument: arguments: (too few) in /in/NIfts on line 4 Warning: Invalid argument: arguments: (too few) in /in/NIfts on line 4
Output for 4.3.2 - 5.6.28
Warning: printf(): Too few arguments in /in/NIfts on line 4 Warning: printf(): Too few arguments in /in/NIfts on line 4 Warning: printf(): Too few arguments in /in/NIfts on line 4 Warning: printf(): Too few arguments in /in/NIfts on line 4 Warning: printf(): Too few arguments in /in/NIfts on line 4
Output for 4.3.0 - 4.3.1
Warning: printf() [http://www.php.net/function.printf]: Too few arguments in /in/NIfts on line 4 Warning: printf() [http://www.php.net/function.printf]: Too few arguments in /in/NIfts on line 4 Warning: printf() [http://www.php.net/function.printf]: Too few arguments in /in/NIfts on line 4 Warning: printf() [http://www.php.net/function.printf]: Too few arguments in /in/NIfts on line 4 Warning: printf() [http://www.php.net/function.printf]: Too few arguments in /in/NIfts on line 4