* Copies a road's hash when a user saves with login * * When a user logs in, we need to duplicate their just-saved road into a * road saved under their username. This copies the road and saves it with * the correct user. * * @param string $oldhash a string of the old road hash * @param string $newhash a string of the new road hash * @param string $athena a string of the us
($oldhash, $newhash, $athena)
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