回答編集履歴
1
調整
test
CHANGED
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@@ -14,10 +14,18 @@
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14
14
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15
15
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$arr = json_decode($json,true);
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16
16
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17
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+
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18
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+
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19
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+
$idx_a=0;
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20
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+
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21
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+
$idx_b=0;
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22
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+
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17
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-
$arr[
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23
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+
$arr[$idx_a][array_keys($arr[$idx_a])[$idx_b]] = "上海";
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18
24
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19
25
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$json=json_encode($arr, JSON_UNESCAPED_UNICODE| JSON_PRETTY_PRINT);
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20
26
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21
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-
print
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27
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+
print $json;
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28
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+
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29
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+
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22
30
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23
31
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```
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