JavaScript Editor Javascript debugger     Website design 

usleep

Delay execution in microseconds (PHP 4, PHP 5)
void usleep ( int micro_seconds )

Delays program execution for the given number of micro seconds.

Parameters

micro_seconds

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

Return Values

No value is returned.

ChangeLog

VersionDescription
5.0.0 This function now works on Windows systems.

Examples

Example 1368. 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