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Why can't this be used?
WangYaDong
2021-07-07 10:44:30
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2
1092
//null abbreviation
$result ??= '123';
2
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0
WangYaDong
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Peter_Zhu
2021-07-07 13:42:48
1 floor
What is your php version?
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Version 7.3.4
WangYaDong
author 2021-07-07 13:59:49
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What is your php version?