回答編集履歴
1
use()
test
CHANGED
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@@ -1,5 +1,5 @@
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1
1
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```php
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2
2
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3
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-
array_filter($nums1, function($n) { return in_array($n, $judgenum); });
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3
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+
array_filter($nums1, function($n) use($judgenum) { return in_array($n, $judgenum); });
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4
4
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5
5
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```
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