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time_nanosleeptime_nanosleep (PHP 5) time_nanosleep --
Delay for a number of seconds and nanoseconds
Descriptionmixed time_nanosleep ( int seconds, int nanoseconds )
Delays program execution for the given number of
seconds and nanoseconds.
seconds must be a positive integer, and
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:
Examples
Example 1. time_nanosleep() example
<?php
// Careful! This won't work as expected if an array is returned
if (time_nanosleep(0, 500000000)) {
echo "Slept for half a second.\n";
}
// This is better:
if (time_nanosleep(0, 500000000) === true) {
echo "Slept for half a second.\n";
}
// And this is the best:
$nano = time_nanosleep(2, 100000);
if ($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.";
}
?>
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Note: This function is not
implemented on Windows platforms.
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