PHP gets milliseconds of time microtime () Usage _php tutorial

In PHP if we want to get milliseconds to pass the Microtime () and then to convert, let me give you a few examples of friends, I hope that will be helpful to everyone.

The problem is not afraid of retarded ... Remember everything?

The code is as follows	Copy Code
function Getmicrotime () { List ($usec, $sec) = Explode ("", Microtime ()); return (float) $usec + (float) $sec); }

is actually dealing with microtime () this function.

Microtime () The return value of this function is this form:

0.06261400 1303715872

The space is followed by the current timestamp, and the space is preceded by the current exact time

example, calculating the page execution time function

The code is as follows	Copy Code
/** * Simple function to replicate PHP 5 behaviour */ function Microtime_float () { List ($usec, $sec) = Explode ("", Microtime ()); return (float) $usec + (float) $sec); } $time _start = Microtime_float (); Sleep for a while Usleep (100); $time _end = Microtime_float (); $time = $time _end-$time _start; echo "did nothing in $time secondsn"; ?>

http://www.bkjia.com/PHPjc/633053.html www.bkjia.com true http://www.bkjia.com/PHPjc/633053.html techarticle in PHP If we want to get milliseconds to pass the Microtime () and then to convert, let me give you a few examples of friends, I hope that will be helpful to everyone. The problem is not afraid of retarded everything ...

