<?php $inputValue = [1, 3, 5]; $resultSet = [ ['result' => 1, 'reference' => 'A1'], ['result' => 2, 'reference' => 'A2'], ['result' => 3, 'reference' => 'A3'], ['result' => 4, 'reference' => 'A4'], ['result' => 5, 'reference' => 'A5'], ]; var_export( array_intersect_key( array_column($resultSet, 'reference', 'result'), array_flip($inputValue) ) );
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