← All built-ins / microtime()
microtime()
microtime(...$args): float
Parameters
Takes no arguments.
Return value
Current time as float seconds with microsecond precision.
Example
$t0 = microtime();
$acc = 0;
for ($i = 0; $i < 100000; $i++) { $acc += $i; }
echo microtime() - $t0 >= 0 ? "measured" : "clock-broke";measured