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? ??? ?? PHP ???? PHP ???? `isset()`? `!empty()`? ???? ?????

PHP ???? `isset()`? `!empty()`? ???? ?????

Dec 24, 2024 pm 01:52 PM

Is Combining `isset()` and `!empty()` in PHP Redundant?

isset()? !empty()? ?? ???? ?? ??????

PHP??? isset() ? ??? ???? ??? ???? ?? ??????. ?? !empty(). ??? ? ??? ?? ???? ?? ????? ??? ??? ????.

isset()? !empty()? ???

  • isset () ??? ?????? ??? ?????. null.
  • !empty()? ??? ??????, null? ???, ?? ?? ???(?, false? ???? ?? ?? ???? ???) ?????.

?? ??? ??????

?, ?? ?????. ?? ?? isset($vars[1]) AND !empty($vars[1])? ?????. !empty()? isset()? ??? ?? ?? ??? ???? ??? ????? ?????.

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?? ??? ???? ?? ??? ??? ??? ? ????. ??:

!empty($vars[1])

??? isset($vars[1]) ? ? ?? ??? ??? ?????. !empty($vars[1]), ?? ??.

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??? ??? ?? ?? !empty()? ??? ????? ???? ?? ??????. ???? ??? isset()? ?????. ??? ?? ??? ?????? ???? ?? ? !empty()? ???? ?????.

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