sleep

(PHP 3, PHP 4 )

sleep -- Delay execution

Description

void sleep ( int seconds)

The sleep() function delays program execution for the given number of seconds.

例子 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

See also usleep() and set_time_limit()