<?php $arr1 = [1, 4, 5, 7]; $arr2 = [2, 3, 4, 6]; $arrint = array_uintersect($arr1, $arr2, function ($a, $b) { return ($a === $b) ? 0 : (($a > $b) ? 1 : -1); }); var_dump($arrint);
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