What is the php microtime function?

❮ PHP Date/Time Reference

Example

Return the current Unix timestamp with microseconds:

echo(microtime());
?>

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Definition and Usage

The microtime() function returns the current Unix timestamp with microseconds.


Syntax


Parameter Values

ParameterDescription
return_float Optional. When set to TRUE it specifies that the function should return a float, instead of a string. Default is FALSE

Technical Details

Return Value:Returns the string "microsec sec" by default, where sec is the number of seconds since the Unix Epoch (0:00:00 January 1, 1970 GMT), and microsec is the microseconds part. If the return_float parameter is set to TRUE, it returns a float representing the current time in seconds since the Unix epoch accurate to the nearest microsecond
PHP Version:4+
PHP Changelog:PHP 5.0: Added the return_float parameter

❮ PHP Date/Time Reference


What is the use of Microtime () function?

The microtime () function returns the current Unix timestamp with microseconds. Optional. When set to TRUE it specifies that the function should return a float, instead of a string.

How to get the current Unix timestamp in PHP using Microtime?

PHP microtime () function returns the current Unix timestamp. By default this returns a string value in the form msec sec. If you pass the boolean value true as a parameter to this method, it returns the current time in seconds since the Unix epoch accurate to the nearest microsecond.

What are the exceptions to the Microtime () function in PHP?

Exceptions: The microtime () function is only available on operating systems that support the gettimeofday () system call. Below programs illustrate the microtime () function in PHP:

What does Microtime () return in Python?

If as_float is set to true, then microtime () returns a float, which represents the current time in seconds since the Unix epoch accurate to the nearest microsecond.

What is microtime?

Definition of microtime : a very short interval of time (as 0.01 millionth of a second) microtime photography.

Is microtime in seconds?

By default, microtime() returns a string in the form "msec sec", where sec is the number of seconds since the Unix epoch (0:00:00 January 1,1970 GMT), and msec measures microseconds that have elapsed since sec and is also expressed in seconds as a decimal fraction.

What is PHP time function?

The time() function returns the current time in the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT).