(PHP 5 >= 5.1.2, PHP 7, PECL hash >= 1.1)
hash_file — 使锟矫革拷锟斤拷锟侥硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟缴癸拷希值
$algo
, string $filename
[, bool $raw_output = FALSE
] ) : string
algo要使锟矫的癸拷希锟姐法锟斤拷锟斤拷锟狡ｏ拷锟斤拷锟界："md5"锟斤拷"sha256"锟斤拷"haval160,4" 锟饺★拷
filename要锟斤拷锟叫癸拷希锟斤拷锟斤拷锟斤拷募锟铰凤拷锟斤拷锟街э拷锟� fopen 锟斤拷装锟斤拷锟斤拷
raw_output
锟斤拷锟斤拷为 TRUE锟斤拷锟斤拷锟斤拷锟绞轿硷拷亩锟斤拷锟斤拷锟斤拷锟斤拷荨锟�
锟斤拷锟斤拷为 FALSE锟斤拷锟斤拷锟叫⌒达拷锟� 16 锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷
锟斤拷锟� raw_output 锟斤拷锟斤拷为 TRUE锟斤拷 锟津返伙拷原始锟斤拷锟斤拷锟斤拷锟斤拷锟捷憋拷示锟斤拷锟斤拷息摘要锟斤拷
锟斤拷锟津返伙拷 16 锟斤拷锟斤拷小写锟街凤拷锟斤拷锟斤拷式锟斤拷示锟斤拷锟斤拷息摘要锟斤拷
Example #1 使锟斤拷 hash_file()
<?php
/* 锟斤拷锟斤拷一锟斤拷要锟斤拷锟斤拷锟较Ｖ碉拷锟斤拷募锟� */
file_put_contents('example.txt', 'The quick brown fox jumped over the lazy dog.');
echo hash_file('md5', 'example.txt');
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
5c6ffbdd40d9556b73a21e63c3e0e904