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run code in 300+ PHP versions simultaneously
<?php $a = [[1,2], [2,3], [3,4]]; foreach ($a as $k => list($b, $c)) { echo "$k => $b, $c\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
0 => 1, 2 1 => 2, 3 2 => 3, 4

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