3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hidden = [ 'apples' => 19, 'eggs' => 7, 'grapes' => 144, 'mushrooms' => 3, 'oranges' => 16 ]; $list = ['grapes', 'apples', 'eggs', 'oranges']; $flippedList = array_flip($list); var_export(array_values(array_replace($flippedList, array_intersect_key($hidden, $flippedList))));

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