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run code in 150+ php & hhvm versions
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<?php $test = array(); for($i=0; $i<5;$i++) $test[]=$i; print_r($test);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 )