How to get timestamp in php

How to obtain the timestamp in php: You can use the time() function or strtotime() function to obtain it. The time() function returns an integer containing the Unix timestamp of the current time. The strtotime() function parses any string datetime description into a Unix timestamp.

The time() function returns the number of seconds since the Unix epoch (January 1 1970 00:00:00 GMT) of the current time. Returns an integer containing the Unix timestamp of the current time.

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Code implementation:

<?php
$t=time();
echo($t . "<br>");
echo(date("Y-m-d",$t));
?>

strtotime() function parses the date and time description of any string Is the Unix timestamp (number of seconds since January 1 1970 00:00:00 GMT).

Grammar:

int strtotime ( string $time [, int $now = time() ] )

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Parameters:

• ##time Required. Specifies a date/time string.

• #now Optional. Specifies the timestamp used to calculate the return value. If this parameter is omitted, the current time is used.

Code implementation:

<?php
// 设置时区
date_default_timezone_set("PRC");
$time = strtotime("2018-01-18 08:08:08");  // 将指定日期转成时间戳 
// 打印当前时间  PHP_EOL 换行符，兼容不同系统
echo  $time, PHP_EOL; 
// 更多实例
echo strtotime("now"), PHP_EOL;e
cho strtotime("now"), PHP_EOL;
echo strtotime("10 September 2000"), PHP_EOL;
echo strtotime("+1 day"), PHP_EOL;
echo strtotime("+1 week"), PHP_EOL;
echo strtotime("+1 week 2 days 4 hours 2 seconds"), PHP_EOL;
echo strtotime("next Thursday"), PHP_EOL;
echo strtotime("last Monday"), PHP_EOL;
?>

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