(PHP 5 >= 5.1.0, PHP 7)
time_sleep_until — 使锟脚憋拷睡锟竭碉拷指锟斤拷锟斤拷时锟斤拷为止锟斤拷
$timestamp
) : bool
使锟脚憋拷睡锟竭碉拷指锟斤拷锟斤拷
timestamp锟斤拷
timestamp锟斤拷锟脚憋拷锟斤拷锟窖碉拷时锟斤拷锟斤拷锟�
锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷
| 锟芥本 | 说锟斤拷 |
|---|---|
| 5.3.0 | 锟皆此ｏ拷锟斤拷锟斤拷锟斤拷Windows平台锟斤拷锟矫★拷 |
锟斤拷锟斤拷瓒拷锟� timestamp 为锟斤拷去锟斤拷时锟戒，锟脚憋拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟� E_WARNING 锟斤拷锟斤拷拇锟斤拷锟�
Example #1 time_sleep_until() 锟斤拷一锟斤拷锟斤拷锟斤拷
<?php
//returns false and generates a warning
var_dump(time_sleep_until(time()-1));
// may only work on faster computers, will sleep up to 0.2 seconds
var_dump(time_sleep_until(microtime(true)+0.2));
?>
Note: 锟斤拷锟叫碉拷锟脚号会被锟接筹拷锟斤拷锟脚憋拷锟斤拷锟斤拷锟皆猴拷