3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function my_array(){ return ['a','b']; } $array = my_array(); $item1 = array_pop($array); $item2 = array_pop(my_array());
Output for 7.0.0 - 7.2.0
Notice: Only variables should be passed by reference in /in/vrI8V on line 10
Output for 5.4.11 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/vrI8V on line 10
Output for 5.3.21 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/vrI8V on line 4
Process exited with code 255.