- <?php
- $long_str = "this is a test to see how much time md5 function takes to execute over this string";
- // start timing from here
- $start = microtime(true);
- // function to test
- $md5 = md5($long_str);
- $elapsed = microtime(true) - $start;
- echo "That took $elapsed seconds.\n";
- ?>
来源: http://www.phpxs.com/code/1003445/