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<?php $permitted = ['foo' => 'foo', 'bar' => 'bar', 'gah' => 'gah']; $config = ['foo' => 'foo', 'bar' => 'bar', 'no' => 'no']; foreach (array_intersect_key($permitted, $config) as $key) { echo $key; }
Output for git.master, git.master_jit, rfc.property-hooks
foobar

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