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.
    
     
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)
        | 
    
     See also usleep() and
     set_time_limit()