<?php $foo = []; $foo2 = ['a']; $foo3 = [false]; $foo4 = [1,2,3,4,5,6,7,8,9]; $arrays = [$foo, $foo2, $foo3, $foo4]; $c = 0; for ($i = 0; $i < 10000000; ++$i) { if (empty($arrays[$i % 4])) { ++$c; } } echo $c;
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