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usleep

(PHP 4, PHP 5)

usleep — Delay execution in microseconds

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