(PHP 4, PHP 5, PHP 7)
fgets — 锟斤拷锟侥硷拷指锟斤拷锟叫讹拷取一锟斤拷
$handle
[, int $length
] ) : string锟斤拷锟侥硷拷指锟斤拷锟叫讹拷取一锟叫★拷
handle锟侥硷拷指锟斤拷锟斤拷锟斤拷锟斤拷锟叫э拷模锟斤拷锟斤拷锟街革拷锟斤拷锟� fopen() 锟斤拷 fsockopen() 锟缴癸拷锟津开碉拷锟侥硷拷(锟斤拷锟斤拷未锟斤拷 fclose() 锟截憋拷)锟斤拷
length
锟斤拷 handle
指锟斤拷锟斤拷募锟斤拷卸锟饺∫伙拷胁锟斤拷锟斤拷爻锟斤拷锟斤拷锟斤拷为 length - 1
锟街节碉拷锟街凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫凤拷锟斤拷锟斤拷锟斤拷锟节凤拷锟斤拷值锟叫ｏ拷锟斤拷EOF 锟斤拷锟斤拷锟窖撅拷锟斤拷取锟斤拷 length - 1
锟街节猴拷停止锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷没锟斤拷指锟斤拷
length锟斤拷锟斤拷默锟斤拷为 1K锟斤拷锟斤拷锟斤拷说 1024 锟街节★拷
Note:
锟斤拷 PHP 4.3 锟斤拷始锟斤拷锟斤拷锟皆碉拷 length 锟斤拷锟叫的筹拷锟饺憋拷锟劫讹拷为 1024锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫讹拷取锟斤拷锟斤拷直锟斤拷锟叫斤拷锟斤拷锟斤拷锟斤拷锟斤拷募锟斤拷械拇锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷 8KB锟斤拷锟斤拷锟节脚憋拷锟斤拷指锟斤拷锟斤拷锟斤拷械某锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆达拷细锟轿拷锟叫э拷锟�
锟斤拷指锟斤拷 handle 指锟斤拷锟斤拷募锟斤拷卸锟饺★拷锟� length - 1 锟街节后返伙拷锟街凤拷锟斤拷锟斤拷
锟斤拷锟斤拷募锟街革拷锟斤拷锟矫伙拷懈锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟津返伙拷 FALSE锟斤拷
锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷
| 锟芥本 | 说锟斤拷 |
|---|---|
| 4.3.0 | fgets() 锟斤拷始锟斤拷锟斤拷锟狡帮拷全 |
| 4.2.0 |
length 锟斤拷锟斤拷锟斤拷为锟斤拷选锟斤拷
|
Example #1 锟斤拷锟叫讹拷取锟侥硷拷
<?php
$handle = @fopen("/tmp/inputfile.txt", "r");
if ($handle) {
while (($buffer = fgets($handle, 4096)) !== false) {
echo $buffer;
}
if (!feof($handle)) {
echo "Error: unexpected fgets() fail\n";
}
fclose($handle);
}
?>
Note: 锟节讹拷取锟斤拷 Macintosh 锟斤拷锟斤拷锟叫伙拷锟斤拷锟戒创锟斤拷锟斤拷锟侥硷拷时锟斤拷 锟斤拷锟� PHP 锟斤拷锟斤拷锟斤拷确锟斤拷识锟斤拷锟叫斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷时锟斤拷锟矫匡拷选锟斤拷 auto_detect_line_endings 也锟斤拷锟斤拷越锟斤拷锟斤拷锟斤拷锟解。
Note:
习锟斤拷锟斤拷 C 锟斤拷锟斤拷锟斤拷 fgets() 锟斤法锟斤拷锟斤拷应锟斤拷注锟解到 EOF 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟截的★拷