The best replacement for oop is procedural.

The best alternatives to oop are rated as following:
★★★★★  procedural
★★★★★  procedural programming
★★★★  structured programming
★★★  soa
★★  mvc
★★  api
★★  pop
★★  ood
★★  aop
★  non oop
★  fp
★  structured
★  imperative
★  deductible
★  dod
  springfree
  event driven programming
  structured procedural programming
  object oriented programming
  springfree trampoline
  functional programming
  traditional programming
  modular programming
  procedure

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Speaking about oop, one probably shouldn't forget about php tutorial.

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