sleep
(PHP 3, PHP 4 , PHP 5)
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";
?>
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This example will output (after 10 seconds)
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See also usleep() and
set_time_limit()