[MacPorts] #54986: swig-php: Add variants for php70, php71, make php71 the default

[MacPorts]

#54986: swig-php: Add variants for php70, php71, make php71 the default
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  Reporter:  ryandesign  |      Owner:  michaelld
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  swig-php    |
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Comment (by michaelld):

 Revisiting this ticket. PHP72 is out ... should it be the default? should
 I keep php56 around too, just for legacy sake? deprecate 5[2-5]?

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Ticket URL: <https://trac.macports.org/ticket/54986#comment:1>
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