hrtime
(PHP 7 >= 7.3.0, PHP 8)
hrtime — Get the system's high resolution time
Description
Returns the system's high resolution time, counted from an arbitrary point in time.
The delivered timestamp is monotonic and can not be adjusted.
Parameters
as_number
-
Whether the high resolution time should be returned as array
or number.
Return Values
Returns an array of integers in the form [seconds, nanoseconds], if the
parameter as_number is false. Otherwise the nanoseconds
are returned as int (64bit platforms) or float
(32bit platforms).
Returns false on failure.
Examples
Example #1 hrtime() usage
<?php
echo hrtime(true), PHP_EOL;
print_r(hrtime());
?>
The above example will output
something similar to:
10444739687370679
Array
(
[0] => 10444739
[1] => 687464812
)