usleep

(PHP 3, PHP 4, PHP 5)

usleep -- Delay execution in microseconds

Description

void usleep ( int micro_seconds )

Delays program execution for the given number of micro seconds.

micro_seconds: Halt time in micro seconds. A micro second is one millionth of a second.

No value is returned.

Version	Description
5.0.0	This function now works on Windows systems.

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";

?>

The above example will output:

11:13:28
11:13:30