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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <?php //差分を見て前回から更新があったかどうか確認 $old_article = file_get_contents(''); $new_article = file_get_contents(''); $old_article = mb_convert_encoding($old_article, "SJIS", "UTF-8"); $new_article = mb_convert_encoding($new_article, "SJIS", "UTF-8"); $diff = xdiff_string_diff($old_article, $new_article, 1); if (is_string($diff)) { echo "2 つの差分:\n"; echo $diff; } ?>

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