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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = range(1,10); foreach($a as $key => $value) { echo $key." "; echo $value."\n"; }
Output for 5.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.2.0
0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10