3v4l.org

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<?php $zoneparts = array_reverse(explode('.',"0.0.127")); $parts = explode('.',"127.0.0.1"); $intersect = array_intersect_assoc($zoneparts,$parts); print_r(array_keys($intersect)); if(array_keys($intersect) === range(0, count($intersect))) { echo "fu"; } ?>

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35.75 ms | 402 KiB | 5 Q