3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function return_me_an_array() { return array('my_value'); } $var = array_pop(return_me_an_array()); echo $var;
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/YbV6e on line 7 my_value
Output for 4.3.0 - 5.0.4, hhvm-3.10.0 - 3.12.0
my_value
Output for 5.1.0 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/YbV6e on line 7 my_value
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/YbV6e on line 7
Process exited with code 255.