<form action="upload.php" method="post" enctype="multipart/form-data"> CSVファイル:<br /> <input type="file" name="csvfile" size="30" /><br /> <input type="submit" value="アップロード" /> </form> if (is_uploaded_file($_FILES["csvfile"]["tmp_name"])) { $file_tmp_name = $_FILES["csvfile"]["tmp_name"]; $file_name = $_FILES["csvfile"]["name"]; //拡張子を判定 if (pathinfo($file_name, PATHINFO_EXTENSION) != 'csv') { $e
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