3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $var['foo'] = array(array('fooooo', 'bar')); $a = reset(array_slice($var['foo'], 0, 1)); var_dump($a); $var['foo'][0][0] = 'bar'; var_dump($a);
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/0eYYV on line 4 array(2) { [0]=> string(6) "fooooo" [1]=> string(3) "bar" } array(2) { [0]=> string(6) "fooooo" [1]=> string(3) "bar" }
Output for 4.3.0 - 5.0.4, hhvm-3.10.0 - 3.13.2
array(2) { [0]=> string(6) "fooooo" [1]=> string(3) "bar" } array(2) { [0]=> string(6) "fooooo" [1]=> string(3) "bar" }
Output for 5.1.0 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/0eYYV on line 4 array(2) { [0]=> string(6) "fooooo" [1]=> string(3) "bar" } array(2) { [0]=> string(6) "fooooo" [1]=> string(3) "bar" }
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/0eYYV on line 4
Process exited with code 255.