(PHP 5 >= 5.1.3, PHP 7)
sys_getloadavg — 锟斤拷取系统锟侥革拷锟截ｏ拷load average锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷系统锟斤拷锟截ｏ拷系统锟斤拷锟叫讹拷锟斤拷锟叫的斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟捷ｏ拷锟街憋拷锟斤拷1锟斤拷锟接★拷5锟斤拷锟接猴拷15锟斤拷锟斤拷之前锟斤拷
锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷1锟斤拷锟接★拷5锟斤拷锟接猴拷15锟斤拷锟斤拷之前锟斤拷锟斤拷锟斤拷锟捷碉拷array锟斤拷
Example #1 sys_getloadavg() 锟斤拷锟斤拷锟斤拷
<?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.');
}
?>
Note: 锟剿猴拷锟斤拷未锟斤拷 Windows 平台锟斤拷实锟街★拷