sys_getloadavg
    (no version information, might be only in CVS)
sys_getloadavg -- 
   get average system load
  
Description
array 
sys_getloadavg ( void  )
   This function returns three samples representing the average system load
   (the number of processes in the system run queue) over the last 1, 5 and 15
   minutes, respectively.
  
Note: This function is not
implemented on Windows platforms.
Return Values
   Returns an array with three samples (last 1, 5 and 15
   minutes).
  
Examples
   
Example 1. A sys_getloadavg() example 
<?php $load = sys_getloadavg(); if ($load[0] > 80) {     header('HTTP/1.1 503 Too busy, try again later');     die('Server too busy. Please try again later.'); } ?>
 |  
  |