回答編集履歴
1
誤字の修正
answer
CHANGED
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@@ -20,7 +20,7 @@
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20
20
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21
21
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foreach ($b2 as $value1){
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22
22
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23
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-
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23
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+
foreach ($a2 as $key => $value2) {
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24
24
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$return = array_merge($return, mb_split($value1, $value2));
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25
25
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26
26
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if(count($a2) - 1 === $key) {
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