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.

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 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


Follow phpf1 on Twitter




F1 Site Family
AJAX F1
HTML F1
Java F1
JavaScript F1
PHP F1

Total time: 0.1395