常見例句The uniqid() function generates a unique ID based on the microtime (current time in microseconds). 函數(shù)的作用是:產(chǎn)生一個基于系統(tǒng)時間的獨立ID(當前時間以微秒為單位)。Basically, constructing such a class depends on defining a couple of methods that behave as basic wrappers for the built-in PHP "microtime()" function. 不過,如果你只是想要一個簡單但有效的計時器類,并且不想寫復雜的代碼,那么(例子中的)這個也許就可以滿足你的要求了。Microtime -- Return current Unix timestamp with microseconds microtime--返回當前UNIX時間戳和微秒數(shù)phpecho ("Page Took :");$load = microtime();print (number_format($load,2));echo (" Sec To Load."); 提供了演示的下載,請自己去試試!四:頁面加載時間的代碼: 返回 Microtime