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run code in 150+ php & hhvm versions
Bugs & Features
<?php function test(&$test_arr) { $test_arr[] = 'taco'; } $some_arr = array(); test($some_arr); print_r($some_arr);
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Array ( [0] => taco )
Output for hhvm-3.10.0

Process exited with code 153.