(PHP 4, PHP 5)
usleep — Delay execution in microseconds
$micro_seconds
)Delays program execution for the given number of microseconds.
micro_secondsHalt time in microseconds. A microsecond is one millionth of a second.
Nessun valore viene restituito.
Example #1 usleep() example
<?php
// Current time
echo date('h:i:s') . "\n";
// wait for 2 seconds
usleep(2000000);
// back!
echo date('h:i:s') . "\n";
?>
Il precedente esempio visualizzerà:
11:13:28 11:13:30