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PHP usleep() Function

PHP Misc Reference

Complete PHP Misc Reference

Definition and Usage

The usleep() function delays execution of the current script for a specified number of microseconds (a microsecond equals one millionth of a second).

Syntax

usleep(microseconds)

Parameter	Description
microseconds	Required. Specifies the number of microseconds to delay the script

Tips and Notes

Note: This function did not work on Windows platforms until PHP 5.

Example

<?php
echo date('h:i:s') . "<br />";

//sleep for 10 seconds
usleep(10000000);

//start again
echo date('h:i:s');
?>

The output of the code above will be something like this:

09:23:14
09:23:24

PHP Misc Reference

Complete PHP Misc Reference

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