[MacPorts] #59815: php: add php74 subports

[MacPorts]

#59815: php: add php74 subports
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  Reporter:  elcheco  |      Owner:  ryandesign
      Type:  request  |     Status:  accepted
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  php      |
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Comment (by ryandesign):

 Replying to [comment:22 chrisminett]:
 > Do you want me to do a PR from it?

 Yes please, then I can test it and add some changes I've got here, and
 I'll merge it.

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Ticket URL: <https://trac.macports.org/ticket/59815#comment:23>
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