(PHP 4, PHP 5)
sleep — Delay execution
Delays the program execution for the given number of seconds .
Halt time in seconds.
Returns zero on success, or FALSE on errors. If the call was interrupted by a signal, sleep() returns the number of seconds left to sleep.
If the specified number of seconds is negative, this function will generate a E_WARNING.
Example #1 sleep() example
<?php
// current time
echo date('h:i:s') . "\n";
// sleep for 10 seconds
sleep(10);
// wake up !
echo date('h:i:s') . "\n";
?>
This example will output (after 10 seconds)
05:31:23 05:31:33