<?php
$array1 = ["d8ab80f4f6"=>[2,3,5,7], '9087785727'=>[1,2,7,8]];
$array2 = ["d8ab80f4f6"=>[2,3], '9087785727'=>[1,2]];
$output = [];
foreach ($array1 as $key => $value) {
}
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