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Why can't this be used?

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$result ??= '123';

WangYaDongWangYaDong1313 days ago1134

reply all(2)I'll reply

  • 猪老湿

    猪老湿2021-07-07 13:42:48

    What is your php version?

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    0
    • WangYaDong

    Version 7.3.4

    — WangYaDong · 2021-07-07 13:59:49
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