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? ??? ?? PHP ???? RecursiveIteratorIterator ??? PHP?? ??? ??? ??? ??? ?? ??????

RecursiveIteratorIterator ??? PHP?? ??? ??? ??? ??? ?? ??????

Nov 17, 2024 pm 05:26 PM

How do RecursiveIteratorIterator patterns unlock flexible tree-like traversals in PHP?

PHP? ?? ??? ??? ???

RecursiveIteratorIterator? ???? ???? ?? ??

RecursiveIteratorIterator ???? ???? ? ? ??? ??? ???? ???. RecursiveIterator ?????? ???? ???? ??? ?????. ? ??? ???? ??? ???? ??? ???? ??? ?? ??? ??? ? ?????.

?? ?? ??? ???? IteratorIterator? ?? RecursiveIteratorIterator? ??? ?? ???? ?????. ???? RecursiveIterator? ???? ????? ??? ??? ??? ?? ??? ??? ? ????.

RecursiveIteratorIterator? IteratorIterator? ???

??? ??? ?? ???? ????? , ??? ?? ?????? ???:

  • RecursiveIteratorIterator? RecursiveIterator ???? ???? ?? IteratorIterator? ?? Traversable? ?????.
  • RecursiveIteratorIterator? ?? ?? ?? ???? ?? ???? ???? ?? IteratorIterator? ?? ???? ?????.
  • RecursiveIteratorIterator? ?? ??? ?? ??? ?????. IteratorIterator? ??? ????.
  • RecursiveIteratorIterator? ??? ??? ???? ?? ?? ???? ?????.
  • RecursiveIteratorIterator? IteratorIterator? ?? ?? ???? ?????.

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[tree]
├── dirA
└── fileA

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[tree]
    ├ dirA
    └ fileA

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[tree]
├ dirA
│ ├ dirB
│ │ └ fileD
│ ├ fileB
│ └ fileC
└ fileA

RecursiveIteratorIterator ??

RecursiveIteratorIterator? ???? ?? ??? ?? ?? ??? ???? ???? ?????. ?? ??? ?? ??? ?? ?? ??? RecursiveIterator ???? ??? ?????.

??? Iterator? ???? ??? RecursiveIterator ??? ???? ?? ?? ?? ???? ?? ???? ?????. ? ????? ???? ??? ?? ??? ??? ? ????.

?? ?? ? ??

RecursiveIteratorIterator? ? ?? ?? ??? ?????.

  • ?? ??: 1???? ?????. ???.
  • ??: ?? ??? ?????.

?? ??? ?? ??? ??? ?????.

  • LEAVES_ONLY: ??? ?????.
  • SELF_FIRST: ?? ?? ????? ?????.
  • CHILD_FIRST: ???? ?? ?? ???? ??? ?????.

?? ??

?? ?? ??? ??? ??? ?????.

[tree]
├── dirA
└── fileA

? ??? ???? ??? ???? ? ??? ???? ???? ?????.

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RecursiveIteratorIterator ???? ???? ??? ?? ???? ??? ??? ?????. PHP? ??. ? ???? ???? ??? ???? ???? ??? ???? ? ??? ???? ?? ??? ?? ??? ? ????.

? ??? RecursiveIteratorIterator ??? PHP?? ??? ??? ??? ??? ?? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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