The usleep() function delays execution of the current script for few microseconds.
Syntax
usleep(msec)
Parameters
msec − The number of microseconds to delay the script.
Return
The usleep() function returns nothing.
Example
<?php
echo date('h:i:s') . "<br>";
// wait for 2 seconds
usleep(2000000);
echo date('h:i:s') . "<br>";
// wait for 5 seconds
usleep(5000000);
echo date('h:i:s');
?>Output
The following is the output.
03:06:08 03:06:10 03:06:15