PHP ��U
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# time

(PHP 3, PHP 4, PHP 5)

time -- Return current Unix timestamp

## Description

int time ( void )

Returns the current time measured in the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT).

## �d��

範例 1. time() example
`<?php $nextWeek = time() + (7 * 24 * 60 * 60); // 7 days; 24 hours; 60 mins; 60secs echo 'Now: '. date('Y-m-d') ."\n"; echo 'Next Week: '. date('Y-m-d', $nextWeek) ."\n"; ?>`
The above example will output something similar to:
    Now:       2005-03-30
    Next Week: 2005-04-07

## Notes

> 提示: Timestamp of the start of the request is available in $_SERVER['REQUEST_TIME'] since PHP 5.1.

## �Ѧ�

date()
microtime()

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