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mikedfunk/array_only_keys.php

Created February 4, 2016 22:51
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Filter an array by whitelist
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array_only_keys.php
<?php
$whitelist = ['key1', 'key2'];
$filterme = ['key1' => 1, 'skipme' => 2];
$filtered = array_filter(array_intersect_key($filterme, array_flip($whitelist)));
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