time_nanosleep
(PHP 5)
time_nanosleep — Delay for a number of seconds and nanoseconds
Description
mixed time_nanosleep
(
int $seconds
,
int $nanoseconds
)
Parameters
-
seconds
-
Must be a positive integer.
-
nanoseconds
-
Must be a positive integer less than 1 billion.
Return Values
Returns TRUE on success or FALSE on failure.
If the delay was interrupted by a signal, an associative array will be
returned with the components:
-
seconds - number of seconds remaining in
the delay
-
nanoseconds - number of nanoseconds
remaining in the delay
Examples
Example #1 time_nanosleep() example
<?php
if (time_nanosleep(0, 500000000)) {
echo "Slept for half a second.\n";
}
if (time_nanosleep(0, 500000000) === true) {
echo "Slept for half a second.\n";
}
$nano = time_nanosleep(2, 100000);
if ($nano === true) {
echo "Slept for 2 seconds, 100 milliseconds.\n";
} elseif ($nano === false) {
echo "Sleeping failed.\n";
} elseif (is_array($nano)) {
$seconds = $nano['seconds'];
$nanoseconds = $nano['nanoseconds'];
echo "Interrupted by a signal.\n";
echo "Time remaining: $seconds seconds, $nanoseconds nanoseconds.";
}
?>
Notes
Note: This function is not
implemented on Windows platforms.
sys_getloadavg
