とりあえず引数を追加でキャッシュ回避。。
?=<?php echo date('YmdHis'); ?>
<link rel="stylesheet" href="./css/style.css?=<?php echo date('YmdHis'); ?>">
<link rel="stylesheet" href="./css/style.css?=20181221002355">
More than 5 years have passed since last update.
とりあえず引数を追加でキャッシュ回避。。
?=<?php echo date('YmdHis'); ?>
<link rel="stylesheet" href="./css/style.css?=<?php echo date('YmdHis'); ?>">
<link rel="stylesheet" href="./css/style.css?=20181221002355">
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