PHP的date函数可以完成这项工作。

日期()

描述:

string date(string $format [, int $timestamp = time()])

返回根据给定格式字符串使用给定整数时间戳格式化的字符串，如果没有给出时间戳则返回当前时间。

例子:

$today = date("F j, Y, g:i a");               // March 10, 2001, 5:16 pm
$today = date("m.d.y");                       // 03.10.01
$today = date("j, n, Y");                     // 10, 3, 2001
$today = date("Ymd");                         // 20010310
$today = date('h-i-s, j-m-y, it is w Day');   // 05-16-18, 10-03-01, 1631 1618 6 Satpm01
$today = date('\i\t \i\s \t\h\e jS \d\a\y.'); // it is the 10th day.
$today = date("D M j G:i:s T Y");             // Sat Mar 10 17:16:18 MST 2001
$today = date('H:m:s \m \i\s\ \m\o\n\t\h');   // 17:03:18 m is month
$today = date("H:i:s");                       // 17:16:18
$today = date("Y-m-d H:i:s");                 // 2001-03-10 17:16:18 (the MySQL DATETIME format)

您的国家时区:支持的时区列表

date_default_timezone_set('Asia/Kolkata');

$dateYmd = date('Y-m-d');
echo "Current Year Month Day: $dateYmd";

本年月日:2022-01-03

$datehms = date('h:i:s');
echo "Current Hour Minute Second: $datehms";

当前小时分秒:11:05:38

// Simply:
$date = date('Y-m-d H:i:s');

// Or:
$date = date('Y/m/d H:i:s');

// This would return the date in the following formats respectively:
$date = '2012-03-06 17:33:07';
// Or
$date = '2012/03/06 17:33:07';

/** 
 * This time is based on the default server time zone.
 * If you want the date in a different time zone,
 * say if you come from Nairobi, Kenya like I do, you can set
 * the time zone to Nairobi as shown below.
 */

date_default_timezone_set('Africa/Nairobi');

// Then call the date functions
$date = date('Y-m-d H:i:s');
// Or
$date = date('Y/m/d H:i:s');

// date_default_timezone_set() function is however
// supported by PHP version 5.1.0 or above.

有关时区参考，请参见支持的时区列表。

你可以:

$now = strtotime(date('Y-m-d H:i:s')); // = Now 

完整的格式选项请参见文档:https://www.php.net/manual/en/function.date.php

PHP以秒为单位返回当前时间。你需要把它们格式化成你想要的任何格式。

<?php
    // time() returns current time in seconds
    $in_seconds = time();

    // strftime - Format a local time/date according to locale settings
    echo strftime("%m/%d/%y", $in_seconds);
?>

参考:http://php.net/manual/en/function.strftime.php

PHP的date函数可以完成这项工作。

日期()

描述:

string date(string $format [, int $timestamp = time()])

返回根据给定格式字符串使用给定整数时间戳格式化的字符串，如果没有给出时间戳则返回当前时间。

例子:

$today = date("F j, Y, g:i a");               // March 10, 2001, 5:16 pm
$today = date("m.d.y");                       // 03.10.01
$today = date("j, n, Y");                     // 10, 3, 2001
$today = date("Ymd");                         // 20010310
$today = date('h-i-s, j-m-y, it is w Day');   // 05-16-18, 10-03-01, 1631 1618 6 Satpm01
$today = date('\i\t \i\s \t\h\e jS \d\a\y.'); // it is the 10th day.
$today = date("D M j G:i:s T Y");             // Sat Mar 10 17:16:18 MST 2001
$today = date('H:m:s \m \i\s\ \m\o\n\t\h');   // 17:03:18 m is month
$today = date("H:i:s");                       // 17:16:18
$today = date("Y-m-d H:i:s");                 // 2001-03-10 17:16:18 (the MySQL DATETIME format)