3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $mystring = "null"; $arr = get_defined_vars(); echo in_array('mystring',$arr['mystring']);
Output for 5.3.0 - 7.2.0
Warning: in_array() expects parameter 2 to be array, string given in /in/SDoJQ on line 4
Output for 4.3.2 - 5.2.17
Warning: in_array(): Wrong datatype for second argument in /in/SDoJQ on line 4
Output for 4.3.0 - 4.3.1
Warning: in_array() [http://www.php.net/function.in-array]: Wrong datatype for second argument in /in/SDoJQ on line 4