gettimeofday_PHP gettimeofday（）函数与示例

gettimeofday

PHP gettimeofday()函数 (PHP gettimeofday() function)

gettimeofday() function is used to get the current time.

gettimeofday()函数用于获取当前时间。

Syntax:

句法：

gettimeofday(return_float);

Parameter(s):

参数：

• return_float – It is an optional parameter which is used to specify the return value as float instead of an associative array. To specify the float value – we set its value as "true".

  return_float –这是一个可选参数，用于将返回值指定为float而不是关联数组。 要指定浮点值–我们将其值设置为“ true”。

Return value:

返回值：

It returns an associative array with the following key values,

它返回具有以下键值的关联数组，

• sec            - it is used to get the time in seconds since the UNIX epoch

  sec-用于获取自UNIX时代以来的时间(以秒为单位)

• usec          - it is used to get the time in microseconds

  usec-用于获取时间(以微秒为单位)

• minuteswest         - it is used to get the time in minutes (west of Greenwich)

  minuteswest-用于获取以分钟为单位的时间(格林威治以西)

• dsttime     - it is used for the type of dst correction

  dsttime-用于dst校正的类型

Example: PHP code to demonstrate an example of gettimeofday() function

示例：PHP代码演示gettimeofday()函数的示例

<?php //getting the time with all keys $result = gettimeofday(); echo "gettimeofday()...\n"; print_r($result);//extracting indivisual values based on the keys echo "sec: $result[sec]\n"; echo "usec: $result[usec]\n"; echo "minuteswest: $result[minuteswest]\n"; echo "dsttime: $result[dsttime]\n";//getting time in float $result = gettimeofday(true); echo "result in float: $result\n"; ?>

Output

输出量

gettimeofday()... Array ([sec] => 1565701750[usec] => 950047[minuteswest] => 0[dsttime] => 0 ) sec: 1565701750 usec: 950047 minuteswest: 0 dsttime: 0 result in float: 1565701751.0216

Reference: PHP gettimeofday() function

参考： PHP gettimeofday()函数

翻译自: https://www.includehelp.com/php/gettimeofday-function-with-example.aspx

gettimeofday

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