3v4l.org

run code in 150+ php & hhvm versions
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<?php $dogs = array(); $dogs[] = "rex"; $dogs[] = "smokey"; var_dump($dogs);
Output for 5.2.13 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(2) { [0]=> string(3) "rex" [1]=> string(6) "smokey" }
Output for hhvm-3.10.0

Process exited with code 153.