note 63795 added to function.array-intersect-key

Does not this accomplish the same thing for two arrays for
PHP versions not supporting this function?

array_flip (array_intersect (array_flip ($a), array_flip
($b)))
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ct-key.php
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Note Submitter: Jesse - Seattle, WA, US 

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Does not this accomplish the same thing for two arrays for
PHP versions not supporting this function?

array_flip (array_intersect (array_flip ($a), array_flip
($b)))

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