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php ob_start() ob_end_flush()缓存技术简单应用
时间：2022-06-24 18:14:23 编辑：袖梨 来源：一聚教程网
| 代码如下 | 复制代码 |
php // define the path and name of cached file $cachefile = 'cached-files/'.date('M-d-Y').'.php'; // define how long we want to keep the file in seconds. I set mine to 5 hours. $cachetime = 18000; // Check if the cached file is still fresh. If it is, serve it up and exit. if (file_exists($cachefile) && time() - $cachetime < filemtime($cachefile)) { include($cachefile); exit; } // if there is either no file OR the file to too old, render the page and capture the HTML. ob_start(); ?> output all your html here. // We're done! Save the cached content to a file $fp = fopen($cachefile, 'w'); fwrite($fp, ob_get_contents()); fclose($fp); // finally send browser output ob_end_flush(); ?> |
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