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php microtime() function

Chinese translationRecent Updates：2018-04-19 15:39:05

UK [ˈmaɪkrəʊ] US [ˈmaɪkroʊ]

##n.<口>microcomputer;microprocessor

adj.very small

php microtime() function Video explanation

php microtime() function syntax

Function: Return the number of microseconds of the current Unix timestamp

Syntax: microtime(get_as_float)

Parameters:

Parameter	Description
get_as_float	Optional. When set to TRUE, specifies that the function should return a floating point number, otherwise a string. Default is FALSE.

Description: If the get_as_float parameter is set to TRUE, a floating point number is returned representing the number of seconds in seconds since the Unix epoch that is accurate to microseconds. current time.

php microtime() function example

<?php
echo(microtime());
?>

Click the "Run instance" button to view the online instance

Output:

0.48800000 1524123522
//具体输出视情况而定

<?php
$str1 = microtime(true);
echo $str1;
?>

Click the "Run Instance" button to view the online instance

Output:

1528178312.841
//具体输出视情况而定

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