3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function &collector() { static $collection = array(); return $collection; } $collect = &collector(); $collect[] = 'foo'; print_r(collector());
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => foo )