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run code in 150+ php & hhvm versions
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<?php $a = array(1, 2, 3, 4, 5); foreach($a as $key => $val) { echo $key . ' - ' . $val . '<br />'; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0 - 1<br />1 - 2<br />2 - 3<br />3 - 4<br />4 - 5<br />