[Phpwm] Cleaning up addresses

[alan dunn]

We are getting addresses in from field users - in theory up to 3 
discreet address lines, followed by Town, County, Post Code etc. The 
address fields contain an amazing amount of rubbish - we had one with 
about 5 additional carriage returns between each line.
Does anyone have a favourite thorough approach to cleaning this sort of 
stuff up?
alan dunn
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