(PHP 7 >= 7.3.0)
hrtime — Get the system's high resolution time
Returns the system's high resolution time, counted from an arbitrary point in time. The delivered timestamp is monotonic and can not be adjusted.
get_as_numberWhether the high resolution time should be returned as array or number.
Returns an array of integers in the form [seconds, nanoseconds], if the
parameter get_as_number is false. Otherwise the nanoseconds
are returned as integer (64bit platforms) or float
(32bit platforms).
Exemple #1 hrtime() usage
<?php
echo hrtime(true), PHP_EOL;
print_r(hrtime());
?>
L'exemple ci-dessus va afficher quelque chose de similaire à :
10444739687370679
Array
(
[0] => 10444739
[1] => 687464812
)