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PHP simple page caching implementation code

WBOYOriginal: 2016-07-25 09:00:001539browse

In today's PHP programming, the demand for caching is increasing. Even for a small project, with caching, you will be a big star in the eyes of others. This article introduces a simple cache implementation code for the reference of beginners.

The code is as follows:

<?php 
/*
 * php 简单缓存
 * by http://bbs.it-home.org
**/
    // 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(); 
?> 
    <html> 
        output all your html here. 
    </html> 
<?php 
    // 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(); 
?>

View details: http://wesbos.com/simple-php-page-caching-technique/

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