(PHP 4, PHP 5, PHP 7)
utf8_encode — 锟斤拷 ISO-8859-1 锟斤拷锟斤拷锟斤拷址锟斤拷锟阶拷锟轿� UTF-8 锟斤拷锟斤拷
$data
) : string
锟矫猴拷锟斤拷锟斤拷 data 锟街凤拷锟斤拷转锟斤拷为 UTF-8 锟斤拷锟诫，锟斤拷锟斤拷锟截憋拷锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷UTF-8 锟斤拷一锟斤拷锟斤拷锟节斤拷锟斤拷锟街凤拷值转锟斤拷为锟街斤拷锟斤拷锟斤拷 Unicode 锟侥憋拷准锟斤拷锟狡★拷UTF-8 锟斤拷锟节达拷 ASCII 锟街凤拷锟斤拷说锟斤拷透锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷同锟斤拷锟侥ｏ拷也锟斤拷锟斤拷说锟斤拷使锟矫筹拷锟斤拷锟杰癸拷锟斤拷知锟街凤拷锟斤拷锟街斤拷锟斤拷锟侥何达拷锟斤拷始锟斤拷锟斤拷锟斤拷锟缴憋拷锟斤拷通锟街凤拷锟斤拷锟饺较猴拷锟斤拷锟斤拷锟皆比较等诧拷锟斤拷锟斤拷PHP 锟缴斤拷 UTF-8 锟斤拷锟斤拷为锟斤拷锟斤拷母锟斤拷纸诘锟斤拷址锟斤拷锟斤拷纾�
| 锟街节ｏ拷bytes锟斤拷 | 位锟斤拷bits锟斤拷 | 锟斤拷 示 |
|---|---|---|
| 1 | 7 | 0bbbbbbb |
| 2 | 11 | 110bbbbb 10bbbbbb |
| 3 | 16 | 1110bbbb 10bbbbbb 10bbbbbb |
| 4 | 21 | 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb |
每锟斤拷 UTF-8 锟斤拷示一锟斤拷锟杰憋拷锟斤拷锟皆达拷锟斤拷锟街凤拷锟斤拷锟捷碉拷位锟斤拷