3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(array_combine(['1','2'],array_map(0,['1','2'])));
Output for 5.6.30
Warning: array_map() expects parameter 1 to be a valid callback, no array or string given in /in/H0vHS on line 3 Warning: array_combine() expects parameter 2 to be array, null given in /in/H0vHS on line 3 NULL