PHP5中文手册·Calculate the sha1 hash of a file -- 追寻梦想＞编程乐园＞PHP 编程

说明

string sha1_file ( string $filename [, bool $raw_output ] )

Calculates the sha1 hash of filename using the » US Secure Hash Algorithm 1, and returns that hash. The hash is a 40-character hexadecimal number.

参数

filename: The filename
raw_output: When TRUE, returns the digest in raw binary format with a length of 20. Defaults to FALSE.

返回值

Returns a string on success, FALSE otherwise.

更新日志

版本	说明
5.0.0	Added the `raw_output` parameter
5.1.0	Changed the function to use the streams API. It means that you can use it with wrappers, like sha1_file('http://example.com/..')

sha1_file

说明

参数

返回值

更新日志

参见