回答編集履歴
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加筆修正
test
CHANGED
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@@ -1,3 +1,31 @@
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[PHP: 可変変数 - Manual](http://php.net/manual/ja/language.variables.variable.php)
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のことでしょうか？
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```php
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<?php
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10
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11
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12
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$array_filenames = ['りんご.pdf', 'みかん.pdf', 'めろん.pdf'];
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$i = 1;
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foreach ($array_filenames as $filename) {
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${'file' . strval($i++)} = $filename;
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}
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var_dump($file1);
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var_dump($file2);
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```
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31
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