php Readfile vs include
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php Readfile vs include
http://blog.iyi.cn/start/2007/04/php_readfile_vs_include.html去年就曾经测试过php filesystem相关函数和include require的性能,今天无意间看到国外一个更全面的对比,显然include和require是最慢的。所以尽量少用include,尤其是作为缓存,最好还是用文本缓存,我原以为直接缓存为php脚本速度比较快,后来测试才发现include效率很低。 出处:http://www.raditha.com/wiki/Readfile_vs_includerequire(string filename) include(string filename) require_once(string filename) include_once(string filename)includes and evaluates the specific file. int readfile ( string filename [, int use_include_path]) Outputs a file
$fp = fopen($filename,"rb"); while(!feof($fp)) { echo fgets($fp); }0.07190 30768 file echo join("",file($filename)); 0.06464 2185624 require_once require_once($filename); 0.08065 2067696 include include($filename); 0.08202 2067696 readfile readfile($filename); 0.00191 19208